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This document contains information about the Latitude™ D620.

The Latitude D620 training course goal is to prepare you to accurately and effectively resolve customer inquiries and technical issues and to inform you of the proper steps for replacing hardware. This course also gives an overview of the system BIOS, features, keyboard shortcuts, and safety precautions.

Information in this document is subject to change w ithout notice.

© 2006 Dell Inc. All rights reserved. Rev. A06

Reproduction in any manner whatsoever without the written permission of Dell Computer Corporation is strictly forbidden.

Trademarks used in this text: Dell, the DELL logo, and Dimension are trademarks of Dell Computer Corporation; Intel, Pentium, and Celeron are registered trademarks of Intel Corporation; Microsoft and Windows are registered trademarks of Microsoft Corporation.

Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Computer Corporation disclaims any proprietary interest in trademarks and trade names other than its own.

Welcome - Getting Started

RTS Dates: Americas - 04/07/2006 Europe - 04/07/2006 Brazil - 04/07/2006 Asia Pacific - 04/07/2006 Japan - 04/07/2006 China - 04/07/2006

Departments: Global Technical Curriculum Development (GTCD)

Contributing Sources:

Contacting Dell: To contact Dell regarding issues with this training material, click the following link: Feedback.

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The following sections provide information to help you effectively use this training material.

Navigating the Material To navigate through this course, select topics using either the left navigation menu or the Previous /Next buttons at the top right corner of each page.

This course is designed to be completed in the order in which the topics are presented. However, refresher training can be accomplished in any desired order.

Important Symbols The following symbols are used to emphasize important notations in this material:

A NOTE indicates important information that helps you make better use of your computer.

A WARNING indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.

A CAUTION indicates a potential for property damage, personal injury, or death.

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Additional Required Software Adobe® Acrobat® (.pdf) files require Acrobat Reader®. You can download Acrobat Reader and get additional information from Adobe's website: http://www.adobe.com/products/acrobat/.

Using this Material

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM Using this Material This document is Dell Confidential




The Latitude™ D620 is positioned as Latitude's mainstream thin and light D-Family product, designed for workers who frequently travel and value mainstream performance with full-size 14.1" displays and integrated optical drives. It targets large corporate accounts with a strong focus on manageability, cost of ownership, security, and integrated communications delivered in a notebook with a high level of quality, fit, and finish.

The D620 replaces the D610 as Latitude's mainstream thin and light corporate notebook. It is a 2-spindle design optimized around a wide-aspect 14.1" display. The D620 delivers mainstream performance with the Intel® Napa architecture, the new Latitude Laminar design language, and integrated wireless communications (including support for integrated configurable cellular WAN), all at a lower weight than the D610 with an optimized profile height associated with the wide-aspect display. Cost for the D620 is managed with the goal of cost-point replacement to the D610.

The Latitude brand promise is maintained by offering managed transitions, system manageability, and essential commonality with the Latitude D-Family. The D620 is compatible with the D-Family docking, AC adapters, and D-Family media modules and peripherals. This system supports key D-Family features such as smart card technology, TPM, gigabit Ethernet, mini card slots, and dual-pointing devices.

These are some of the goals considered in the Latitude D620's development:

� Delivery of Intel's Napa architecture (features/performance)

� D-Family commonality

� Size and weight

� Battery life

� Cost

� RoHS compliance

Marketing Information

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The Latitude™ D620 is fully RoHS compliant.

RoHS Overview

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The table below compares the Latitude D620 to the older D610.

Product Overview

Latitude™ D620 RTS Dates

Americas Europe APCC Japan CCC Brazil

04/07/06 04/07/06 04/07/06 04/07/06 04/07/06 04/07/06

Latitude D620 Latitude D610

Product Overview

Features Latitude D620 Latitude D610

Processor type Intel® Core™ 2 Duo, Core Duo, and Core Solo (Merom and Yonah) Intel Pentium® M (Dothan)

Processor speeds

Core 2 Duo: 2.0 GHz

2.16 GHz 2.33 GHz

Dual core: 1.67 GHz 1.83 GHz 2.0 GHz

2.17 GHz Single core

1.67 GHz

Single core: 1.6 GHZ (730) 1.8 GHz (740) 1.9 GHz (750) 2.0 GHz (760) 2.1 GHz (770)

System chipset Calistoga 945GM / 945PM Alviso 915GM / 915PM

Memory DDR2 533/667 MHz SODIMM modules DDR2 400/533 MHz SODIMM modules

Memory min/max 256 MB / 4096 MB 256 MB / 2048 MB

LCD types 14.1" WXGA (1280x800) 14.1" WXGA+ UltraSharp™ (1440x900)

14" XGA (1024x768) 14" SXGA+ (1400x1050)

Video NVIDIA® Quadro® NVS 110M 64-bit Intel 950GMA

ATI™ M22CSP64 Mobile Intel UMA internal

Video memory 64 MB dedicated / 128 MB shared Up to 224 MB shared 128 MB

Audio SigmaTel® STAC9200 (Azalia codec) SigmaTel STAC9751

USB support Two back ports Two side ports

Two back ports Two side ports

Hard drive interface SATA IDE

Media bay options

Floppy disk drive (optional) 24x CD-ROM drive

24x CDRW/DVD drive 8x DVD+/–RW drive

Second 40 GB hard drive Second battery

Wireless options

WLAN: Dell™ Wireless 1390 Mini Card

Dell Wireless 1390 ExpressCard™ (post RTS)

Dell Wireless 1490 Mini Card Intel PRO/Wireless 3945 Mini Card

WWAN: Dell Wireless 5500 Mobile Broadband

Mini Card Dell Wireless 5700 Mobile Broadband

Mini Card Dell Wireless 5505 Mobile Broadband

Mini Card (Europe only)

Intel 2915 Mini PCI® Dell Wireless 1350 Mini PCI Dell Wireless 1450 Mini PCI

Intel PRO/Wireless 2200 Mini PCI Intel PRO/Wireless 2100 Mini PCI

Dell 350 Bluetooth v2.0 + Enhanced Data




Bluetooth® support Rate (EDR) Dell 350 Bluetooth Internal Wireless Card

NIC (LOM) Broadcom® BCM5752 Integrated Gigabit Ethernet

Broadcom BCM5751 Integrated Gigabit Ethernet

Modem Conexant® HDA D110 MDC w/ Azalia codec

Conexant MDC Internal Modem, 56K, V.90

I/O card slots O2Micro® Oz601 Controller

PC Card™ Slot Smart card slot

Texas Instruments™ PCI6515 CardBus/smart card controller

IR support IRDA 1.1IR at 4 Mbit/s using the SMsC Macallan

III I/O controller and a Vishay TDFU6102F IrDA transceiver

Ports and connectors

Power VGA (video)

Serial RJ-45 (network) RJ-11 (modem) USB 2.0 (four)

IrDA Audio (headphone and mic)

D-Port connector

Power VGA (video)

S-video Serial

Parallel RJ-45 (network) RJ-11 (modem) USB 2.0 (four)

IrDA Audio (headphone and mic)

D-Port connector

Operating system

Windows® XP Home SP2 Windows XP Pro SP1 Windows XP Pro SP2 Windows Pro 64-bit

Windows Vista™ (when available) Novell® Certification

n Series

Windows XP Home Windows XP Professional

Docking support D-Dock expansion station D-Port APR

AC adapter 65 W (90 W with D-Series dock)

Battery Lithium Ion 9-cell 85 WHr Lithium Ion 6-cell 56 WHr Lithium Ion 4-cell 35 WHr

Lithium Ion 6-cell 53 WHr Lithium Ion 6-cell 48 WHr Lithium Ion 4-cell 32 WHr

Weight ~5 pounds ~5 pounds

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM Product Overview This document is Dell Confidential




System Specifications

� Processors

� PC Card™

� Memory

� Communications

� Audio

� Keyboard

� Fingerprint Reader

� Battery

� Physical

� System Information

� Smart Card

� Ports and Connectors

� Graphics

� Display

� Touch Pad

� Track Stick

� AC Adapter

� Environmental

Processors

Processor type Intel® Core™ Solo and Intel Core Duo processors

Level 1 (L1) cache 64 KB (Internal)

Level 2 (L2) cache 2 MB (on-die)

External bus frequency 667 MHz

System Information

System chipset Intel 945GM or 945 OM

Data bus width 64 bits

DRAM bus width 64 bits

Processor address bus width 36 Bits

PC Card

Cardbus controller O2Micro® Oz601 CardBus Controller

PC Card connector One (supports one Type I or Type II card)

Cards supported PC Card: 3.3 V and 5 V ExpressCard™: 34 mm with adapter

PC Card connector size 80 Pins

Data width (maximum) PCMCIA: 16 Bits CardBus: 32 Bits

Smart Card

Read/write capabilities Reads and writes to all ISO 7816 1/2/3/4 microprocessor cards (T=0, T=1)

Cards supported 3 V and 5 V

Program technology supported Java Cards™

Interface speed 9600–115,200 BPS

EMV level Level 1 certified

WHQL certification PC/SC

Compatibility Compatible within a PKI environment

Insert/eject cycles Certified for up to 100,000 cycles

Memory

Memory module connectors Two user-accessible SODIMM sockets

Memory module capacities 256, 512, 1024, 2048 MB

Memory type 533 and 667 MHz DDR2 SDRAM




Minimum memory 256 MB (for some regions, the amount of memory may differ)

Maximum memory 4 GB

Ports and Connectors

Serial 9-pin connector; 16550C-compatible, 16-Byte buffer connector

Video 15-hole standard VGA connector

Audio Microphone mini-connector, stereo headphones/speakers mini-connector

USB Four 4-pin USB 2.0-compliant connectors

Infrared Sensor compatible with IrDA Standard 1.1 (Fast IR) and IrDA Standard 1.0 (Slow IR)

Modem RJ-11 support

Network adapter RJ-45 port

D-Dock Standard D-dock connector for devices such as D-Docks, advanced port replicators, and expansion stations

Communications

Modem

Type v.92 56K MDC

Controller Soft modem

Interface Intel High Definition Audio (HDA) Bus

Network adapter 1 Gb Ethernet LAN on system board

Wireless WLAN card, wireless switch with Dell™ Wi-Fi® catcher technology, internal card with Bluetooth® wireless technology, and Dell Mobile Broadband card (The availability of the Dell Mobile Broadband card may vary by region.)

Graphics

Video type Integrated on system board, hardware accelerated

Data bus Integrated video

Video controller Intel Extreme Graphics

Video memoryIntegrated video 256 MB or 512 MB of shared system memory (Up to 224 MB shared if total computer memory is 512 MB or greater; up to 128 MB shared if total computer memory is 256 MB.)

LCD interface LVDS

TV output NTSC or PAL in S-video and composite modes

Color support 16.7 million

Video type Discrete video adapter, 128-bit hardware accelerated

Data bus PCI-E x16

Video controller NVIDIA® Quadro® NVS 110M with TurboCache™

Video memory

Up to 256 MB (Total of local and shared system memory used may be up to 256 MB for graphics, dependent on system memory size and other factors. Local integrated memory is 64 MB. Up to 192 MB of system memory may be allocated to support graphics on computers with 512 MB or more of system memory for a total of 256 MB graphics memory; up to 64 MB of system memory may be allocated to support graphics on computers with 256 MB system memory for a total of 128 MB graphics memory.)

LCD interface LVDS

TV output NTSC or PAL in S-video and composite modes

Color support 16.7 million

Audio

Audio type High Definition Audio (Soft Audio)

Audio controller SigmaTel® STAC9200




Stereo conversion 24-Bit (stereo digital-to-analog) 24-Bit (stereo analog-to-digital)

Interfaces

Internal PCI Bus/High Definition Audio

External Microphone mini-connector, stereo headphones/speakers mini-connector

Speakers One 4-ohm speaker

Internal speaker amplifier 2 W channel into 4 Ohms

Volume controls Keyboard shortcuts or program menus

Display

Type (active-matrix TFT) WXGA or WXGA+

Active area (X/Y) 303.36 x 189.5

Dimensions

Height 214.3 mm (8.4 inches)

Width 285.7 mm (11.3 inches)

Diagonal 357.1 mm (14.1 inches)

Operating angle 0° (closed) to 180°

Viewing angles

WXGA horizontal 40/40°

WXGA vertical 10/30°

WXGA+ horizontal 65/65°

WXGA+ vertical 50/50°

Pixel pitch

WXGA 0.2588

WXGA+ 0.1971

Power consumption (panel with backlight, typical)

WXGA 5.0 W (max)

WXGA+ 5.5 W (max)

Controls Brightness can be controlled through keyboard shortcuts

Keyboard

Number of keys 87 (U.S. and Canada); 88 (Europe); 91 (Japan)

Key travel Approx. 2.5 mm (0.098 inch)

Key spacing 19.05 mm ± 0.3 mm (0.75 inch ± 0.012 inch)

Layout QWERTY/AZERTY/Kanji

Touchpad

X/Y position resolution (graphics table mode) 240 CPI

Active area 73.7 x 43

Size

Width 64.88 mm (2.55 inch) sensor-active area

Height 48.88 mm (1.92 inch) rectangle

Fingerprint Reader (Optional)

Type UPEK TCS3 TouchStrip™ strip sensor with CMOS active capacitive pixel-sensing technology

Power supply 2.7 V to approx. 3.6 V

Connector 48-ball BGA

Array size 248 x 2 pixels




Track Stick

X/Y position resolution (graphics table mode) 250 count/sec @ 100 GF

Size Protrudes 0.5 mm higher than surrounding keycaps

Battery

Type

9-cell Lithium Ion battery 85 WHr (You cannot use an auto/air adapter with a 9-cell battery.)

6-cell Lithium Ion battery 56 WHr

4-cell Lithium Ion battery 35 WHr

Dimensions

Depth

4- or 6-cell Lithium Ion battery 66.6 mm (2.62 inches)

9-cell Lithium Ion battery 93.3 mm (3.67 inches)

Height

4- or 6-cell Lithium Ion battery 19.2 mm (0.76 inch)

9-cell Lithium Ion battery 20.59 mm (0.81 inch)

Width

4- or 6-cell Lithium Ion battery 185.22 mm (72.92 inches)

9-cell Lithium Ion battery 287.30 mm (11.31 inches)

Weight

4-cell Lithium Ion battery 0.24 kg (0.53 lb)



Voltage 14.8 VDC

Charge time (approximate)Approximately 1 hour to reach 80% charge (You must use a 90 W AC adapter to use ExpressCharge with a 9-cell battery.)

Operating time Varies depending on operating conditions and can be significantly reduced under certain power-intensive conditions

Life span (approximate) 500 discharge/charge cycles

Temperature range

Operating 0° to 35° C (32° to 95° F)

Storage –40° to 65° C (–40° to 149° F)

AC Adapter

Types 65 W and 90 W

Input voltage 90–264 VAC

Input current (max) 1.7 A

Input frequency 47–63 Hz

Output current

65 W 4.34 A (maximum at 4-second pulse); 3.34 A (continuous)

90 W 5.62 A (maximum at 4-second pulse); 4.62 A (continuous)

Output power 65 W or 90 W

Rated output voltage 19.5 VDC

Dimensions

65 W

Height 27.8–28.6 mm (1.10–1.12 inches)


Length 137.2 mm (5.40 inches)

90 W

Height 33.8–34.6 mm (1.34–1.36 inches)


Length 153.42 mm (6.04 inches)

Weight (without cables) 65 W: 0.36 kg (0.79 lb) 90 W: 0.46 kg (1.01 lb)

Temperature range


Storage –40° to 65° C (–40° to 149° F)




Physical

Height 32 mm (1.26 inches)

Width 337 mm (13.3 inches)

Depth 238 mm (9.3 inches)

Weight

With travel module and 4-cell battery 1.98 kg (4.37 lb)

With CD-ROM drive and 6-cell battery 2.27 kg (5.0 lb)

Environmental

Temperature range


Storage –40° to 65° C (–40° to 149° F)

Relative humidity

Operating 10% to 90% (noncondensing)

Storage 5% to 95% (Noncondensing)

Maximum vibration (using a random-vibration spectrum that simulates user environment)

Operating 0.66 GRMS

Storage 1.30 GRMS

Maximum shock (measured with hard drive in head-parked position and a 2-ms half-sine pulse):

Operating 122 G

Storage 163 G

Altitude

Operating –15.2 to 3048 m (–50 to 10,000 ft)

Storage –15.2 to 10,668 m (–50 to 35,000 ft)

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM System Specifications This document is Dell Confidential




Three different batteries are available for the Latitude™ D620 system. The chassis appearance changes when the 9-cell battery is installed. The 9-cell battery includes a palm rest of sorts that protrudes from the front of the system. The top of the battery palm rest is level with the system palm rest. It does not detach from the battery since it is part of the battery.

The chassis section is broken down into two groups of pictures: One group contains photos of the system with the 6-cell or 4-cell battery installed, and the second contains pictures of the system with the 9-cell battery installed. Click all photos in both sections to view larger images in a new browser window.

Chassis Overview

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM Chassis Overview This document is Dell Confidential




Click the picture above to see a larger image in a new window.

Chassis Bottom

1 Hard drive 3 Memory door

2 Battery 4 D-Dock connector

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM Chassis Bottom This document is Dell Confidential





Chassis Front

1 Ambient light sensor (ALS) 3 Keyboard LEDs / audio controls

2 Status LEDs 4 Touch pad

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Chassis Left

1 Security slot 4 Smart card reader

2 Audio jacks 5 Wireless catcher switch

3 Infrared port 6 PC Card™ slot

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Chassis Right

1 Optical drive 2 USB ports (2)

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Chassis Back

1 RJ-45 (network) connector 4 Serial port

2 RJ-11 (modem) connector 5 VGA port

3 USB ports (2) 6 AC connector

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Chassis Top

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9-Cell Chassis Front

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9-Cell Chassis Left

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9-Cell Chassis Right

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9-Cell Chassis Top

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Device Status LEDs

Battery Status If the computer is connected to an electrical outlet, the battery light operates as follows:

� Solid green — The battery is charging.

� Flashing green — The battery is almost fully charged.

If the computer is running on a battery, the battery light operates as follows:

� Off — The battery is adequately charged (or the computer is turned off).

� Flashing orange — The battery charge is low.

� Solid orange — The battery charge is critically low.

Keyboard Status LEDs

LEDs

Turns on when you turn on the computer and blinks when the computer is in a power management mode.

Turns on when the computer reads or writes data.

Turns on steadily or blinks to indicate battery charge status.

Turns on when wireless networking is enabled. To enable or disable wireless networking, press <Fn><F2>.

Turns on when a card with Bluetooth® wireless technology is enabled. To turn off only the Bluetooth wireless technology functionality, right-click the icon in the system tray and select Disable Bluetooth Radio . To quickly enable or disable all wireless devices, press <Fn><F2>.




The green lights located above the keyboard indicate the following:

Turns on when the numeric keypad is enabled.

Turns on when the Caps Lock function is enabled.

Turns on when the Scroll Lock function is enabled.

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM LEDs This document is Dell Confidential




On the left side of the Latitude D620 system is a security slot, sometimes called a Kensington® lock slot. Connect a security cable to this slot to secure the notebook to a desk. The most popular security cables are made by Kensington, but more companies are entering this marketplace.

Security Slot

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM Security Slot This document is Dell Confidential




Observe the following safety precautions before performing any installation or break/fix procedures involving disassembly or re-assembly:

� Turn off the system and any attached peripherals.

� Disconnect the system and any attached peripherals from AC power, and then remove the battery.

� Disconnect any telephone or telecommunications lines from the system.

� Use a wrist grounding strap and mat when working inside any computer system to avoid electrostatic discharge (ESD) damage.

� After removing any system component, carefully place the removed component on an anti-static mat.

� Wear shoes with non-conductive rubber soles to help reduce the chance of being shocked or seriously injured in an electrical accident.

Standby Power Dell products with standby power must be completely unplugged before opening the case. Systems that incorporate standby power are essentially powered while turned off. The internal power allows the system to be remotely turned on (wake on LAN), suspended into a sleep mode, and have other advanced power management features. After unplugging the system, allow the charge to drain from the circuits by waiting approximately 30 to 45 seconds before removing components.

ESD ESD is a major concern when handling components, especially expansion cards and system boards. Very slight charges can damage circuits in ways that may not be obvious, such as intermittent problems or a shortened product lifespan.

To prevent static damage, do the following:

� Use an ESD wrist strap that is properly grounded.

� If a strap is not available, discharge static electricity from your body before you touch any of your computer's electronic components, by touching an unpainted metal surface on the computer chassis. Periodically touch an unpainted metal surface to remove any static charge your body may have accumulated.

� Handle all static-sensitive components in a static-safe area. If possible, use anti-static floor pads and workbench pads.

� When handling static-sensitive components, grab them by the sides, not the top. Avoid touching pins and circuit boards.

� When unpacking a static-sensitive component from its shipping carton, do not remove the component from the anti-static packing material until you are ready to install the component. Before unwrapping the anti-static packaging, be sure to discharge static electricity from your body.

� Before transporting a static-sensitive component, place it in an anti-static container or packaging.

Lifting Equipment

Adhere to the following guidelines when lifting equipment:

1. Get a firm balanced footing. Keep your feet apart for a stable base, and point your toes out.

2. Bend your knees. Do not bend at the waist.

3. Tighten stomach muscles. Abdominal muscles support your spine when you lift, offsetting the force of the load.

4. Lift with your legs, not your back.

5. Keep the load close. The closer it is to your spine, the less force it exerts on your back.

6. Keep your back upright, whether lifting or setting down the load. Do not add the weight of your body to the load. Avoid twisting your body and back.

7. Follow the same techniques in reverse to set the load down.

Safety Precautions

WARNING: Do not use an ESD grounding strap when working on the internal parts of a monitor, like the CRT, because the stored voltage is extremely harmful.

CAUTION: Do not lift greater than 50 pounds independently. Always obtain assistance from a second person or utilize a mechanical lifting device.

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM Safety Precautions This document is Dell Confidential




You need to address the following issues when replacing parts on the Latitude™ D620.

Palm Rest Removal The palm rest on this system needs to be removed in a certain manner. Follow these steps:

1. Remove all parts necessary to access the palm rest.

2. Remove the nine securing screws from the bottom section of the system.

3. Remove the three palm rest screws from the upper section of the system.

4. Disconnect the cable connector attached to the system board located on the left side of the system.

5. Starting with the back of the palm rest (located near the LCD mounts), separate the palm rest from the base of the system, and work it loose along the sides towards the front.

6. Once the back and sides of the palm rest are free, slide it forward to release it from the securing hooks located along the front edge of the base plastics.

7. Remove the palm rest from the system.

System Board

Replacement The system board removal is straightforward. However, replacing it correctly involves lining up the wireless sniffer switch correctly, or the board does not seat properly in the system.

When you reseat the system board, the wireless switch must line up with the plastics as shown to the right. If it is not lined up correctly, the board does not seat down fully and hangs over the right edge of the bottom plastics. At no point should you force the board into place; this will damage the plastics, the switch, or worse.

The easiest method of aligning the switch with the plastics is to have both the interior switch on the system board as well as the exterior switch on the outer plastics in the "off" position, all the way towards the back of the unit (closest to the LCD).

Service Issues

WARNING: You must start removing the palm rest from the back. Failure to do so will damage the connector hooks located along the front edge of the base plastics.

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM Service Issues This document is Dell Confidential




The following table outlines the steps for removing and replacing the AC power converter for the Latitude™ D620.

AC Power

Disconnecting the AC Power Converter

1. Pull the AC plug from the left side of the system.

2. Reverse the previous step to replace the AC power converter.

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM AC Power This document is Dell Confidential




The following table outlines the steps for removing and replacing the battery on the Latitude™ D620.

Battery

Removing and Replacing the Battery

1. Before removing the battery, remove the AC power.

2. Locate the battery.

3. Slide the battery release latch into the unlock position.

4. Slide the battery from the bay.

5.

Lift the battery pack out from the bay.




6. Reverse the previous steps to replace the battery.

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM Battery This document is Dell Confidential




The following table outlines the steps for removing and replacing the phone SIM (subscriber identity module) for the Latitude™ D620.

Phone SIM

Removing and Replacing the Phone SIM

1. Before removing the SIM:

� Remove the AC power.

� Remove the battery.

2. Locate the phone SIM in the battery bay.

CAUTION: The customer's SIM contains account information and personal data not backed up to any media. When repairing a system, you must migratee this card when replacing a system board.

3. Slide the module from the slot reader.

4.

Lift the module from the system.




5. Reverse the previous steps to replace the phone SIM.

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM Phone SIM This document is Dell Confidential




The following table outlines the steps for removing and replacing the memory in DIMM B on the Latitude™ D620.

Memory DIMM B

Removing and Replacing the Memory in DIMM B

1. Before removing the memory in DIMM B:



2. Locate the memory door on the bottom of the system.

3. Use a Phillips screwdriver to remove the screw securing the memory door, and then lift the door to remove it.

4.

Push outward on the retaining clips to allow the memory to release upward.




5. Lift and remove the memory from the socket.

6. Remove the memory from the socket.

7. Reverse the previous steps to replace the memory in DIMM B.

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM Memory DIMM B This document is Dell Confidential




The following table outlines the steps for removing and replacing the optical drive.

Optical Drive

Removing and Replacing the Optical Drive

1. Before removing the optical drive:



2. Locate the optical drive bay.

3. Press the optical drive release button to eject the drive.

4. Slide drive out of the optical drive bay.




5. Reverse the previous steps to replace the optical drive.

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM Optical Drive This document is Dell Confidential




The following table outlines the steps for removing and replacing the hard drive for the Latitude™ D620.

Hard Drive

Removing and Replacing the Hard Drive

1. Before removing the hard drive:



2. Locate the hard drive.

3. Remove the two screws securing the drive.

4.

Slide the hard drive out of the bay to release it from the system.




5. Reverse the previous steps to replace the hard drive.

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM Hard Drive This document is Dell Confidential




The following table outlines the steps for removing and replacing the hinge cover.

Hinge Cover

Removing and Replacing the Hinge Cover

1. � Remove the AC power.


2. Locate the hinge cover.

3. Insert a scribe into the hinge cover slot.

4. Pry up on the notch on the right side of the hinge cover.

5.

Lift and remove the hinge cover from the chassis.




6. Reverse the previous steps to replace the hinge cover.

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM Hinge Cover This document is Dell Confidential




The following table outlines the steps for removing and replacing the keyboard for the Latitude™ D620.

Keyboard

Removing and Replacing the Keyboard

1. Before removing the keyboard:



� Remove the hinge cover.

2. Locate the keyboard.

3. Remove the screws holding the keyboard to the chassis.

4.

Lift the keyboard and turn it away from the LCD.




5. Release the keyboard cable lock.

6. Release the ZIF connector to detach the cable and lift the keyboard from the system.

7. Reverse the previous steps to replace the keyboard.

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM Keyboard This document is Dell Confidential







The following table outlines the steps for removing and replacing the Bluetooth® card for the Latitude™ D620.

Bluetooth Card

Removing and Replacing the Bluetooth Card

1. Before removing the Bluetooth card:




� Remove the keyboard.

2. Locate the Bluetooth wireless card.

3. Insert a scribe to release the clip holding the card.

4.

Slide the Bluetooth wireless card away from the LCD.




5. Lift the Bluetooth wireless card from the system.

6. Disconnect the Bluetooth wireless card cable.

7. Reverse the previous steps to replace the Bluetooth wireless card.

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM Bluetooth Card This document is Dell Confidential




The following table outlines the steps for removing and replacing the coin battery for the Latitude™ D620.

Coin Battery

Removing and Replacing the Coin Battery

1. Before removing the coin battery:



� Remove the hard drive.



2. Locate the coin battery.

3. Slide the coin battery away from the LCD.

4.

Disconnect the cable connection and lift the coin battery from the system.




5. Reverse the previous steps to replace the coin battery.

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM Coin Battery This document is Dell Confidential




The following table outlines the steps for removing and replacing the memory for the Latitude™ D620.

Memory DIMM A

Removing and Replacing the Memory

1. Before removing the memory:





2. Locate the memory DIMM.

3. Press out on the latches on both sides of the DIMM socket.

4. Pull the memory upward to a 45-degree angle.

5.

Remove the DIMM module from the socket.




6. Reverse the previous steps to replace the memory.

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM Memory DIMM A This document is Dell Confidential




The following table outlines the steps for removing and replacing the WWAN card on the Latitude™ D620.

WWAN Card

Removing and Replacing the WWAN Card

1. Before removing the WWAN card:





� Remove the memory DIMM A.

2. Locate the WWAN card.

3.

Disconnect the two cables from the WWAN card.




4.

Pull the two securing levers away from the WWAN card, and then remove the card.




5.

Lift the WWAN card to a 45-degree angle.




6. Lift the WWAN card out of the slot.

7. Reverse the previous steps to replace the WWAN card.

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM WWAN Card This document is Dell Confidential




The following table outlines the steps for removing and replacing the WLAN card on the Latitude™ D620.

WLAN Card

Removing and Replacing the WLAN Card

1. Before removing the WLAN card:





2. Locate the WLAN card.

3. Disconnect the two diversity cables from the mini card.

NOTE: There are three cables for the wireless card. The third cable is for the new wireless standard not yet approved. However, this system can use the new technology when it is approved.

4.

Pull the two securing levers away from the card, and then remove the card.




5. Lift the WLAN card to a 45-degree angle.

6. Lift the WLAN card out of the slot.

7. Reverse the previous steps to replace the WLAN card.

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM WLAN Card This document is Dell Confidential




The following table outlines the steps for removing and replacing the LCD for the Latitude™ D620.

LCD Removal

Removing and Replacing the LCD

1. Before removing the LCD:





2. Locate the LCD.

3. Disconnect all cables to the WWAN and WLAN cards if necessary.

4.

Disconnect the video cable from the chassis.




5. Remove the four hinge screws from the back and bottom of the chassis.

6. Lift the LCD from the frame.

7. Reverse the previous steps to replace the LCD.

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM LCD Removal This document is Dell Confidential




The following table outlines the steps for disassembling the LCD on the Latitude D620.

LCD Disassembly

Disassembling the LCD

1. Before disassembling the LCD:



� Remove the phone SIM.

� Remove the memory DIMM B.

� Remove the optical drive.




� Remove the Bluetooth® card.

� Remove the coin battery.


� Remove the WWAN card.

� Remove the WLAN card.

� Remove the LCD.

2. Locate the LCD.

3. Remove the bumpers covering the screws.

4.

Remove the six screws.




5. Push the LCD bezel in from the outside frame to release, then up and lift it off the frame.

6. Remove the eight frame screws from the LCD brackets.

7.

Lift the LCD from the LCD backing.




8. Rotate the LCD to access the LCD cable on the back of the LCD.

9.

Push in on the top LCD cable levers to release the cable connection, and then pull up on the bottom connection to release the cable.




10. Remove the LCD brackets from the LCD.

NOTE: When replacing the LCD, you must migrate the two brackets to the replacement LCD.

11. Slide the LCD brackets from the LCD.

12. Reverse the previous steps to assemble the LCD.

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM LCD Disassembly This document is Dell Confidential




The following table outlines the steps for removing and replacing the palm rest assembly for the Latitude™ D620.

Palm Rest

Removing and Replacing the Palm Rest Assembly

1. Before removing the palm rest assembly:









� Remove the LCD.

2. Locate the palm rest

3. Remove the nine securing screws from the bottom section of the system.

4. Remove the three palm rest screws from the upper section of the system for the Latitude D620.

5.

Disconnect the cable connector attached to the system board.




6. Lift the palm rest up from the chassis and remove it.

7. Reverse the previous steps to replace the palm rest assembly.

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM Palm Rest This document is Dell Confidential




The following table outlines the steps for removing and replacing the modem daughter card (MDC) for the Latitude™ D620.

Modem Daughter Card

Removing and Replacing the MDC

1. Before removing the MDC:








� Remove the LCD removal.

� Remove the palm rest assembly.

2. Locate the MDC card.

3. Remove the screw securing the MDC to the system board.

4.

Lift the MDC from the system board.




5. Disconnect the cable from the MDC and remove it from the system.

6. Reverse the previous steps to replace the MDC.

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM Modem Daughter Card This document is Dell Confidential




The following table outlines the steps for removing and replacing the processor for the Latitude™ D620.

Processor

Removing and Replacing the Processor

1. Before removing the processor:














� Remove the LCD.


� Remove the modem daughter card.

2. Locate the processor heat sink.

3. Remove the four screws that secure the processor to the system board.

4.

Lift the heat sink away from the system.




5. Locate the processor.

6. Turn the screw that secures the processor to the system board.

7.

Lift the processor from system.




8. Reverse the previous steps to replace the processor.

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM Processor This document is Dell Confidential




The following table outlines the steps for removing and replacing the speaker for the Latitude™ D620.

Speaker

Removing and Replacing the Speaker

1. Before removing the speaker:














� Remove the LCD.



� Remove the processor.

2. Locate the speaker.

3. Disconnect the speaker cable from the system board.

4.

Lift the speaker from the system.




5. Reverse the previous steps to replace the speaker.

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM Speaker This document is Dell Confidential




The following table outlines the steps for removing and replacing the system board.

System Board

Removing and Replacing the System Board

1. Before removing the system board:














� Remove the LCD.




� Remove the fan.

2. Locate the system board.

3. Dissconnect the speaker cable and modem cables from the system board.

4.

Disconnect the card cage cable from the system board.




5. Lift the speaker from the system board.

6. Remove the Hex nuts on the back from the system.

7. Lift the system board from the bottom plastics.

8. Reverse the previous steps to replace the system board.




Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM System Board This document is Dell Confidential




The following table outlines the steps for removing and replacing the fan for the Latitude™ D620.

Fan

Removing and Replacing the Fan

1. Before removing the fan:














� Remove the LCD.




� Remove the system board.

2. Locate the system fan.

3. Remove the screw securing the fan to the system board.

4.

Lift the fan from the system.




5. Reverse the previous steps to replace the fan.

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM Fan This document is Dell Confidential




Overview Intel® Core™ Duo is the dual-core version of Intel's Pentium® M processor for notebooks. It is part of the new mobile technology offering from Intel code-named Napa. Unlike Intel's first dual-core designs for desktop PCs, Intel Core Duo is a much more integrated design that shares storage and power management resources within the chip. Here is a quick overview of what this new CPU offers:

� Intel's first dual-core optimized CPU

� 667 MHz front-side bus

� Built on new 65 nm technology

� Two mobile optimized execution cores in a single processor

� Parallel threads executed on separate cores with dedicated CPU resources

Intel also implements a host of new features into the new Intel Core Duo chip. These features include the following:

� Intel Smart Cache — This is an enhanced version of handling the L2 cache from the previous dual-core desktop processors that allows both cores to access the same L2 cache.

� Intel Dynamic Power Coordination — This feature coordinates the power states between the two cores, enabling them to each individually step down activity as required.

� Intel Digital Media Boost — Digital Media Boost provides enhancements to gaming, video streaming, digital music and photography, as well as other multimedia applications.

� Intel Advanced Thermal Manager — New thermal sensors and management technology allows for enhanced accuracy with dual-core optimized thermal management.

� Intel Virtualization Technology — This delivers a hardware-assisted robust virtualization and manageability solution. Not supported on Dell™ systems at this time.

L2 Cache The desktop version dual-core Pentium D processor uses separate 1 MB cache memory banks dedicated to each core. In the Intel Core Duo processor, a single 2 MB cache memory bank is available to both cores, reducing the chance that data must leave the chip to be temporarily stored in a system's main memory bank. This means that one core can store a piece of data in the cache that might be needed later by the other core, and the other core can access that data without having to leave the chip. The larger storage capacity allows Intel Core Duo processor's cores to spend less time navigating through the front side bus and more time executing instructions, which dramatically improves performance.

The shared cache design also allows Intel to eliminate some of the disadvantages of its front side bus design, which many analysts see as a bottleneck in the dual-core era. The front side bus is the connection between the processor and the main system memory via a chipset. On Intel's chips, this interface is located on the chipset, farther away from the CPU. Intel plans eventually to move to a different design, but in the meantime it has been raising the speed at which its buses move data to cope with the increased activity of two processor cores. Intel Core Duo processor's two cores share a single front-side bus running at 667 MHz.

Hyper-Threading vs. Dual-Core Dual-Core processors provide a greater advantage over Hyper-Threading. In Hyper-Threading, parallel threads are executed on a single core using shared resources. With the Dual-Core solution, parallel threads are executed on separate cores with dedicated resources. The following graphic helps explain this:

Core Duo

One execution core viewed as two logical cores by software

Two execution cores on a single processor




In rare instances, customers may experience a problem with some older applications that do not work with a dual-core processor. While dual-core operation should not cause a problem in most circumstances, customers either experiencing errors with certain applications or random hangs or lockups can go into the BIOS and disable Multi-Core Support to see if this corrects the problem.

Power Management The Intel Core Duo processor uses sophisticated power management techniques to make sure each core is only drawing as much power as it needs to process its instructions. The processor can monitor the application activity passing through each core and allocate power as needed between the cores, reducing power consumption during idle moments. As a result, the battery life of notebooks with the Intel Core Duo processor and the rest of the Napa platform should exceed that of the current generation of Intel's Centrino® technology.

The graphic below shows the different power management states as they relate to each core.

Intel Virtualization Technology

Intel has developed its new Virtualization Technology on the new Napa platform. Intel Virtualization Technology is a set of hardware enhancements that, combined with the appropriate software, delivers more robust virtualization solutions. The technology allows a platform to run multiple operating systems and applications in independent partitions. With virtualization, one computer system can function as multiple virtual systems. With enhancements to Intel's various platforms, Intel Virtualization Technology can improve the robustness and performance of today's software-only solutions.

For example, businesses can isolate a portion of a managed PC to perform system upgrades and maintenance without interrupting the user. IT managers could also create one desktop PC build that can function independently as both a business and personal system, keeping software loads and virus attacks separate, or one that runs different operating systems and software for different or legacy tasks. Multiple servers could be combined into one system, running different applications and operating systems, providing advantages for IT tasks such as server consolidation, legacy migration and security.

Home users could create virtual partitions in a multi-user environment to dedicate resources to such tasks as a PC game, productivity software, and personal video recording. The partitions could also better defend against viruses and spyware infecting the system.

To run this feature, the following components must be capable of running Intel Virtualization Technology:

� Processor

� Chipset

� BIOS

� Virtual Machine Monitor (VMM)

� Application

Basically, this technology allows the use of multiple operating systems simultaneously. The system acts as multiple virtual machines in this environment. While this concept is not new, the implementation of how this is done is.

Previous VMM methods had problems since the operating systems were forced to run in software Rings 1 through 3. As a result, the operating systems were deprivileged and caused excessive faulting as well as management and stability issues. Intel's Virtualization Technology helps avoid these problems, as it runs the operating systems in Ring 0 (where their code is designed to run) as opposed to Rings 1 through 3 under present technology. Here is a comparison of how the two different technologies work:

NOTE: Intel's Virtualization Technology is not supported on Dell systems at this time.




Intel split Ring 0 into Ring 0P and 0D. Ring OP contains the VMM, and Ring 0D contains the operating system code. The result is a more stable platform that can run multiple operating systems simultaneously with fewer faults.

The operating system code is executed in Rings 1–3, causing faults

With Intel's Virtualization Technology, a new ring is created (0D) to run the operating system code

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM Core Duo This document is Dell Confidential




Overview The Intel® Core™ 2 Duo processor (Merom) is the second-generation dual-core processor for portable computers, delivering up to a 25 percent performance gain over the Intel Core Duo processor (Yonah). It is part of Intel's refresh of its mobile technology offering, code-named Napa. Here is a quick list of features Merom has to offer:

� Intel Wide Dynamic Execution

� Intel Intelligent Power Capability

� Intel Advanced Smart Cache

� Intel Smart Memory Access

� Intel Advanced Digital Media Boost

Intel Wide Dynamic Execution Dynamic execution is a combination of techniques (data flow analysis, speculative execution, out of order execution, and super scalar) that Intel first implemented in the P6 microarchitecture used in the Pentium® Pro processor, Pentium II processor, and Pentium III processors.

Now with the Intel Core microarchitecture, Intel significantly enhances this capability with Intel Wide Dynamic Execution. It enables delivery of more instructions per clock cycle to improve execution time and energy efficiency. Every execution core is 33 percent wider than previous generations, allowing each core to fetch, dispatch, execute, and retire up to four full instructions simultaneously.

Intel Wide Dynamic Execution also includes a new and innovative capability called Macro-Fusion. Macro-Fusion combines certain common x86 instructions into a single instruction for execution.

Combined, Intel Wide Dynamic Execution increases instruction execution efficiency, thus increasing performance and energy efficiency.

Intel Intelligent Power Capability Intel Intelligent Power Capability is designed to reduce power consumption and design requirements. This feature manages the runtime power consumption of all the processor's execution cores. The result is excellent energy optimization enabling Intel Core microarchitecture to deliver more energy-efficient performance for desktop PCs, mobile PCs, and mainstream servers.

Intel Advanced Smart Cache The Intel Advanced Smart Cache is a multicore optimized cache that significantly reduces latency to frequently used data, thus improving performance and efficiency by increasing the probability that each execution core of a multicore processor can access data from a higher-performance, more efficient cache subsystem.

Core 2 Duo




Intel Smart Memory Access Intel Smart Memory Access improves system performance by optimizing the use of the available data bandwidth from the memory subsystem and hiding the latency of memory accesses.

Intel Smart Memory Access includes an important new capability called memory disambiguation, which increases the efficiency of out-of-order processing by providing the execution cores with the built-in intelligence to speculatively load data for instructions that are about to execute before all previous store instructions are executed.

The adjacent diagram is an example of memory disambiguation. The circled numbers on the arrows indicate chronological execution order and the arrow on the far left shows program order. As you can see, Load 2 cannot be moved forward since it has to wait until Store 1 is executed to ensure variable Y has its correct value. However, Intel’s memory disambiguation predictor can recognize that Load 4 is not dependent on the other instructions shown and can be executed first without having to wait for either Store 3 or Store 1 to execute. By executing Load 4 several cycles earlier, the CPU now has the data required for executing any instructions that need the value of X, thus reducing memory latency and delivering a higher degree of instruction-level parallelism.

Intel Advanced Digital Media Boost Intel Advanced Digital Media Boost is a feature that significantly improves performance when executing Streaming SIMD Extension (SSE/SSE2/SSE3) instructions.

This accelerates a broad range of applications including video, speech and image, photo processing, encryption, and financial, engineering, and scientific applications. Intel Advanced Digital Media Boost feature enables these 128-bit instructions to be completely executed at a throughput rate of one per clock cycle, effectively doubling (on a per clock basis) the speed of execution for these instructions as compared to previous generations.

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM Core 2 Duo This document is Dell Confidential




Overview Part of Intel's new Napa architecture is the 945GM and 945PM chipsets, code-named Calistoga. The difference between the two chipsets is that the 945GM offers integrated graphics on the motherboard, but the 945PM uses a discrete solution. Part of the Calistoga chipset is the new ICH7-M controller. Here are some of the features of these chipsets:

945GM/945PM

� Enhanced graphics (945GM only) — Generation 3.5 integrated GFX core targeting 20 to 30 percent performance increase over previous generation

� Higher memory bandwidth — Data transfer rate is 20 percent higher with DDR2 667 MHz at low power

� Intel Memory Pipeline Technology (MPT) — MPT accelerates CPU-to-memory read/writes for improved system performance

� New display and media features � Serial digital video output (SDVO) with lane reversal

� Intermediate Z in classic rendering

� Variable length decoding (VLD) / inverse discrete cosine transform (IDCT), 4x pixel rate hardware motion compensation (HWMC)

� Improved video quality with intelligent deinterlacing

� Smaller footprint —37.5 x 37.5 mm, 6 percent foot printsavings

ICH7-M Controller

� Mobile Eastfork Platform Driver — Support for the Eastfork software package when it becomes available

� Advanced I/O and low power � Six PCI-E ports

� RAID 0/1

� USB2 C3 enhancements, saving power when HSUSB device is idle

� Lower power — Targeting approximately 25 percent lower average power

� BOM cost reduction — Flash sharing through serial peripheral interface (SPI), combining the BIOS for Gigabit Ethernet (GbE) and the system BIOS, eliminating the firmware hub (FWHx) BIOS

Chipset Diagram The diagram below shows the Calistoga chipset and how it interacts with other peripherals.

Chipset Technology

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM Chipset Technology This document is Dell Confidential




The Latitude™ D620 ships with a new wireless feature called the wireless on/off catcher switch. It is located on the left side of the system right next to the infrared port. When used in combination with the Dell™ QuickSet utilities, this switch enables or disables the wireless LAN and Bluetooth® cards in the system, or it searches for all wireless networks in range.

To scan for a Wi-Fi® wireless LAN, slide and hold the switch in the momentary position for a few seconds. The Wi-Fi catcher network locator functions whether the computer is turned on or off, in Hibernate mode, or in Standby mode, as long as the switch is configured through QuickSet or the BIOS to control Wi-Fi network connections.

Because the Wi-Fi catcher network locator is disabled and not configured for use when the computer is shipped, it must be enabled and configured through the Dell QuickSet utilities to control Wi-Fi network connections.

Wireless Sniffer Switch LED Settings The LED on the wireless catcher switch functions even if the system is off. You can activate the switch and have it scan for networks without going through a complete boot process. The switch can be set to detect for only certain wireless signals, such as WLAN only, WWAN only, Bluetooth only, or any combination of these. This setting is in the BIOS under the Wireless section.

The LED indicates the presence of a network as follows:

� Flashing green — The system is searching for a signal.

� Green — The system has detected a wireless signal and has good strength.

� Yellow — The system has detected a wireless signal, but its strength is moderate to weak.

� Red — The system failed to detect a wireless signal, or the wireless signal is extremely weak.

In addition to the wireless functionality, you can use the wireless catcher switch to determine a no-POST situation if there is a problem with the power button. Here are two scenarios:

� Scenario 1: A customer activates the wireless catcher switch with the system off. He gets the usual wireless activity indicator (as described above), which indicates the system is getting power, but there may be a problem with either the power button (more likely) or the system board (less likely). A keyboard would be sent first (since the power button is located on the keyboard). If this does not correct the problem, then a system board is dispatched.

� Scenario 2: A customer activates the wireless catcher switch with the system off. He gets a flashing no-POST code on the diagnostic LEDs. If pressing the power button does not provide the same result, then you must replace the keyboard for a faulty power button, and the system has other problems.

Wireless Card Offerings With the growing emergence of cellular wireless technology, demand has grown for not only wireless LAN (local area network) cards, but also wireless WAN (wide area network) cards.

WLAN Technology Wireless LAN technology has been around for some time, and you should be familiar with the three WLAN standards: a, b, and g. Coming later in 2006 is a new standard, presently called the Pre-n standard. When officially ratified, it will be referred to as the n standard. The Latitude D620 is equipped to handle Pre-n cards once they become available.

The following WLAN cards are offered with this system:

� Dell™ Wireless 1390 b/g WLAN Mini Card

� Dell Wireless 1390 b/g WLAN ExpressCard&Trade; (post RTS)

� Dell Wireless 1490 a/b/g WLAN Mini Card

� Intel® PRO/Wireless 3945 WLAN Mini Card

WWAN Technology Different types of WWAN cards use different technologies to make a broadband connection. Each broadband (cellular) provider determines which technology it uses to access its WAN signal. The two most prevalent technologies are explained below.

� HSDPA — High-speed downlink packet access. HSDPA works by moving important processing functions closer to the air interface, allowing scheduling priority to take account of channel quality and terminal capabilities. HSDPA also adds a channel-sharing mechanism that allows several users to share the high-speed air interface channel and other technological advances, such as adaptive modulation and coding, quadrature amplitude modulation, and channel quality feedback. These enhancements allow HSDPA to roughly double the total throughput capacity of a network.

� CDMA — Code division multiple access. A spread spectrum technology, CDMA allows many users to occupy the same time and frequency allocations in a given band or space. As its name implies, CDMA assigns unique codes to

Wireless Technology




each communication to differentiate it from others in the same spectrum. In a world of finite spectrum resources, CDMA enables more people to share the airwaves at the same time than do alternative technologies.

The following WWAN cards are offered with this system:

� Dell Wireless 5500 Mobile Broadband Mini Card

� Dell Wireless 5700 Mobile Broadband Mini Card

� Dell Wireless 5505 Mobile Broadband Mini Card — Europe only

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM Wireless Technology This document is Dell Confidential




Starting with the Latitude™ D620, Dell includes a new feature on its systems called the ambient light sensor, or ALS. (Dell will eventually expand this offering to the other notebooks, including the Inspiron™ platform.)

Basically, this device senses the light levels in the area and automatically adjusts the screen brightness to match. Only the internal display is adjusted, not any monitor or projector that may be connected to the system. Additionally, if the sensor window is blocked, it does not function correctly.

The controls for the ALS are built into the QuickSet utilities. Use the left-arrow key on the keyboard to enable or disable the feature. It is disabled by default when the system ships. The BIOS has a setting that allows you to enable or disable the ALS. This function is also tied to the shortcut key. ALS still function if the QuickSet utilities are not installed, but the pop-up windows do not appear.

QuickSet Settings When using the shortcut key on the keyboard to enable or disable ALS, you see one of the following pop-up messages:

ALS Enabled

ALS Disabled

When you click the Click here to set Ambient Light Sensor preferences link, the following window is displayed so you can adjust the ALS settings:

ALS Controls

The slider bar allows you to select the minimum and maximum brightness levels the display automatically adjusts between with ALS enabled. It may take some adjustment to find the optimal setting. The lower the minimum and maximum settings, the more opportunity for battery life savings.

The Enable Ambient Light Sensor to optimize BATTERY SAV INGS option sets the ALS operating range so the system has battery savings opportunity over the standard battery life bench marking settings. When ALS is enabled at this setting, the LCD panel brightness range is limited at approximately 10 nits (a unit of measurement of screen brightness) to 60 nits.

Ambient Light Sensor




ow ALS Works To understand how ALS works, you first need to understand the following terms:

� Lux — A measurement of light. Average indoor lighting ranges from 70 to 300 lux. A cloudy day outdoors measures around 5000 lux. A sunny day outdoors could measure as much as 10,000 lux.

� Nit — A unit of measurement of screen brightness. Depending on the type of LCD, the maximum brightness can range from 150 to 220 nits. Most of Dell's LCD panels have a maximum brightness of around 180 nits and a minimum brightness of 10 nits. The higher the nits, the brighter the display. ALS is capable of adjusting the LCD brightness smoothly over the full panel brightness range.

� EEDID Step — Enhanced Extended Display Identification Data Step. This data set is stored on each LCD panel and contains information for eight predefined panel brightness steps. BIOS or the QuickSet brightness control (not ALS) uses this step information to adjust the panel brightness. These eight incremental steps typically encompass the range of nits from 10 to 220 (or whatever the maximum brightness of the display). For example, it may use the following settings: 10, 17, 24, 30, 60, 110, 150, 220.

� SMBus — System Management Bus. The computer uses this communication method to access the EEDID steps and to control the brightness through the BIOS or shortcut keys.

The following table shows approximately how the ALS adjusts based on certain conditions.

The ALS sensor measures the amount of ambient light in the area and passes this information to the M07 inverter chip. A calculation is made to determine how bright the display needs to be within the settings (minimum and maximum) based on the light in the environment. The panel brightness is then automatically adjusted to the calculated level to compensate. This is done continually to allow the display to adapt to the environment. The brighter the light in the area, the brighter the screen gets; the darker the ambient light, the darker the display.

The brightness adjustment process occurs over several seconds, so you do not see a sudden shift from bright to dark or vice versa. Also, depending on the settings made to the minimum/maximum slider under the ALS controls, you may see no adjustment at all, as the appropriate setting may fall outside of the threshold set.

Since ALS can adjust the screen smoothly over the full brightness range as opposed to the eight predefined steps, it provides you with more brightness flexibility than previously available. You must tweak the ALS settings to suit personal preferences.

DPST Display Power Savings Technology (DPST) analyzes the display image data and, based on the results, may reduce the panel brightness up to 30 percent. The analysis and resulting brightness adjustment are intended to be undetectable. This technology was developed by Intel and is only available on systems that have the Intel GMA 950 Integrated Controller. The range of brightness adjustment is from 0 to 30 percent and is only enabled when the system is running on battery power. This feature is disabled when an external display device is connected.

You can access the DPST settings either through the Intel Graphics control that is part of the Intel video driver or through QuickSet. These controls are not visible in QuickSet if the system has a discrete video card installed and is not using the integrated Intel GMA 950 Integrated controller. You can enable or disable the feature, as well as adjust the slider bar for the aggressiveness of the DPST feature from Max Quality to Max Battery .

NOTE: These measurements were taken at Dell. User experience will vary, depending on location.

Location Light Level (lux)

Typical Panel Brightness

(nits)

Conference room (presentation lighting) 70 12

Conference room (standard lighting) 245 32

Cubical 330 50

Window behind desk (indirect sunlight) 500 75

Cafeteria (plentiful sunlight) 765 110




ALS Controls

DPST works with either the SMBus on the system or ALS, but not both. The following table explains what happens to the system depending on which features are implemented:

Operating Mode

On/Off Control

Brightness Control

Impact to SMBus

Impact to ALS

Impact to DPST Notes

SMBus Up/down hot keys

Adjusts from eight EEDID

stepsN/A Turns ALS off

When DPST is enabled,

SMBus controls the max limit of

DPST

Factory default is

EEDID step 4 (30 nits)

ALSALS hot key toggle turns

ALS off

QuickSet controls min/max

range adjustment

per ALS curve

ALS overrides SMBus and operates as

set by QuickSet

N/A

When DPST is enabled,

ALS controls the max limit

of DPST

QuickSet default is battery

savings mode

DPST

Intel Graphics Control or QuickSet DPST is

always off when on AC

power

Reduces the existing

brightness setting from

0–30% based on image content

Reduces existing

SMBus setting from 0–30%

Reduces existing ALS setting from

0–30%

N/A

DPST is disabled any

time an external

display device is connected

SMBus with DPST

See DPST and SMBus

SMBus sets max

brightness while DPST reduces 0–

30%

N/A Disables ALS N/A

ALS with DPST

See DPST and ALS

ALS sets max brightness

while DPST reduces 0–

30%

Disables SMBus N/A N/A

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM Ambient Light Sensor This document is Dell Confidential




The Latitude™ D620 comes with a new audio solution that is a major upgrade from the existing AC '97 standard. The Intel® High Definition (HD) Audio technology is also known by the code name Azalia. The actual audio chipset on the system is the SigmaTel® STAC9200.

Intel HD audio not only provides an enriched playback experience but is intended to deliver a better quality input for voice and communication applications. The higher-quality audio is possible in part to an upgraded architecture and increased bandwidth that allows for 192 kHz, 32-bit, multichannel audio and support for evolving high-quality audio formats. Other improvements include increased support for multichannel array microphones for higher-quality input, dynamically allocated bandwidth, and flexible audio device configuration.

Speaker The Latitude D620 only has one speaker on the unit. To get stereo sound, you must connect either headphones or external speakers to the headphone jack on the left side of the unit. Never set up service to replace parts for a customer complaining about sound only coming from one speaker.

Features Here are some of the features of Intel's HD audio technology:

� Higher-quality audio experience � Multistream for gaming, entertainment, and communications

� Enhanced array microphone support

� Improved accuracy of speech input, improved speech recognition

� Telephony (VoIP, or voice over IP), conferencing and IM (instant messaging) applications

� Higher sample rate and more bits per sample

� Dolby® Pro Logic® II technology supported

� Lower power operation enabled � CPU can be in C3 state with audio activity

� Dynamic CE-quality audio � DVD-Audio and Super Audio CD (SACD)

� Dolby 5.1 / 6.1 / 7.1

� THX® certification supported

� 192 KHz, 24 bit, 8-channel audio support

� Support for up to 15 simultaneous audio streams

� Dynamic jack configuration

� Drive stability provided through standardized interface � Platform-independent development of audio/modem drivers

� Base driver supports modem functionality

� Common bus/function driver

Dolby PC Logo Program Included in the Dolby PC Logo specification are three different standards, or levels, of audio:

� Dolby Sound Room™ — 6-channel audio, the most basic HD audio solution

� Dolby Home Theatre™ — 6-channel audio, aimed at the "home cinema" experience

� Dolby Master Studio™ — 8-channel audio, aimed at everything PC-capable, from DVD playback and authoring to games and music

Comparison The following table compares the AC '97 standard to the new Intel HD audio.

Audio

NOTE: The audio solution is integrated into the system board. If it is damaged or nonfunctional, you must replace the system board.

Standards Comparison

Feature AC '97 Intel High Definition

Streams Single stream (in and out) Up to 15 input and 15 output streams at one time and up to 16 channels per stream

Bandwidth 11.5 Mbps Maximum 48 Mbps per SDO, 24 Mbps per SDI

Bit rate Up to 20-bit, 96 kHz Up to 32-bit, 192 kHz

DMA use Predefined Dynamic




Controller Diagram As you can see from this diagram, the controller can drive multiple codecs, and these codecs can operate independently of one another, allowing different numbers of streams to be routed through each codec at different sampling rates.

Future Considerations One of the obstacles to improved sound quality currently is with DVD-Audio (DVD-A), the emerging audio standard. Presently, even if you do get everything together—8-channel speakers, a DVD-A disc, and a system board with a high-definition codec—you still do not get full audio bit-rate playback. Why? Because of copyright protection issues.

The full range of DVD-A formats (up to 192 Khz / 24 bit) are supported by Microsoft® DirectSound® and the Intel drivers. However, DVD-Audio player software down-samples to 48 Khz / 16-bit when playing back DVD-A–encrypted content on current PC hardware and software driver systems. The reason is that standard PC audio offers insufficient content protection for the copyright holders, so the audio playback is crippled.

Acknowledgements Much of the material for this page was garnered from several sources, in particular those listed below. To learn more about Intel's HD audio, visit the following links:

Intel.com Bit-tech.net Extremetech.com

Bandwidth assignment Fixed Dynamic

Analog Plug n Play Limited Comprehensive

Power management None Idle detection, fine-grained power control

Microphone array Two elements Up to 16 elements

Driver software Developed by audio codec supplier

OS native bus driver and independent hardware vendor value-added function driver

Docking None Enabled

Hardware configuration Fixed Dynamic device enumeration

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM Audio This document is Dell Confidential




The Latitude™ D620 has two graphics options:

� Intel® GMA 950 (Integrated)

� NVIDIA® Quadro® NVS 110M 64/128 MB (Discrete)

Both of these graphics solutions deliver high-quality, high-performance video solutions for the business traveler while keeping cost and weight considerations low. Click the above links to learn more about each solution, or use the navigation on the left.

Graphics Overview

NOTE: All graphics options are integrated into the system board, even the discrete offerings. If the graphics controller is damaged or nonfunctional, you must replace the system board.

Modifying Display Modes Using the NVIDIA Display Control Panel Supported Display Modes

Modifying Display Modes

Modifying Color and Screen Settings

1. From the Windows Task Bar, point to Start>Settings>Control Panel or to Start>Control Panel , depending on the Start menu setup.

2. Double-click the Display icon to open the Display Properties window.

3. Click the Settings tab to open the Settings page.

4. Set the Color quality and Screen resolution you want in the respective lists.

5. Click Apply and then click OK to exit the Display Properties window.

6. You must restart the computer for the changes to take effect.

Modifying Refresh Rate

1. From the Windows Task Bar, point to Start>Settings>Control Panel or to Start>Control Panel , depending on the Start menu setup.

2. Double-click the Display icon to open the Display Properties window.

3. Click the Settings tab to open the Settings page.

4. Click the Advanced option.

5. Click the Monitor tab.

6. Select the refresh rate you want from the Screen refresh rate list. You must select a refresh rate value supported by the display device. Refer to the "Supported Display Modes" section for supported refresh frequencies.

7. Click Apply .

8. Click OK and then click OK again to exit the Display Properties window.

9. You must restart the computer for the changes to take effect.

NOTE: Most applications require a color setting greater than 256 colors to be set through the Windows® Display Properties>Settings tab. If you need to modify color settings, follow the instructions in the "Modifying Color and Screen Settings" section below.

To display at a specific screen resolution and refresh rate, both the graphics card and the display must support that resolution and refresh rate.

Refer to the documentation that came with the external display device and the "Supported Display Modes" tables for a list of supported display modes. Then follow the instructions in the "Modifying Color and Screen Settings" and the "Modifying Refresh Rate" sections below to change the screen resolution and refresh rate settings, if and when needed.

Using the NVIDIA Display Control Panel Interface

Starting the NVIDIA Control Panel Interface To start the NVIDIA Display Control Panel interface, right-click the Windows desktop and select NVIDIA Display Control Panel from the Windows desktop menu. The Select a Category home page appears.

The NVIDIA Control Panel home page image below illustrates the primary tasks area, the secondary tasks area, and the menu bar.




NVIDIA Control Panel Home Page

When you select a module, you can select specific tasks to accomplish what you want as explained in the next section, "Accomplishing NVIDIA Control Panel Tasks."

Accomplishing NVIDIA Control Panel Tasks You can access NVIDIA Control Panel tasks by clicking one of the icons in the primary tasks area under Select a Category . Each category page lists different tasks that you can accomplish, and each task page provides instructions on how to accomplish what you want. Move the mouse pointer over listed options to see a description and typical usage scenario for the option.

The following sections provide a summary of the tasks available under each category.

Display

1. Primary tasks area — This area contains the group of tasks that appear on the right section of the NVIDIA Control Panel interface. This area of the screen is where you focus most of your attention as you use the NVIDIA Control Panel to accomplish your goals.

2. Secondary tasks area — This area contains the group of tasks that appear on the left section of the NVIDIA Control Panel interface. This area contains tasks that do not directly accomplish the primary task but are related to the primary task. Secondary tasks might bring up dialog boxes, change the visual presentation of the screen's contents, or take you to a different screen.

3. Menu bar — The menu bar contains standard Windows menus and menus specific to the NVIDIA Control Panel, such as View and Profiles .

4. Toolbar (optional) — You can show or hide a standard NVIDIA Control Panel toolbar for quick access to common tasks such as switching between Standard and Advanced views, navigating between the Home and other task pages, and so on.

The Display page lets you:

� Change the resolution

� Change the scaling on your flat panel display

� Adjust color settings

� Rotate the display

� Adjust custom timings (available under Advanced View)

� Configure multiple displays, including Spanning or Clone modes.




Video & Television

3D Settings

Mobile

The Video & Television page lets you do the following:

� Adjust the TV picture quality and video color settings for the best possible viewing in its environment.

� Enable full-screen video mirroring so you can view full-screen video content on one display while the other display has the smaller video window with visible controls. You can also use certain buttons on the Full-Screen Video page to zoom into specific areas of the video.

� Change the position and size of the desktop/video to best fit the TV or HDTV (high definition television) screen. (Only available on graphics solutions that support TV or HDTV.)

� Change the signal format to use for a standard TV or HDTV as well as change country-specific signal or the HDTV format. (Only available on graphics solutions that support TV or HDTV.)

The 3D Settings page lets you:

� Change the image and rendering settings of 3D applications and games that use Direct3D® and OpenGL® technology.

� Assign specific 3D settings to a game so these settings automatically load when you launch a game.

� Monitor the temperature of the GPU.

The Mobile page lets you use NVIDIA's PowerMizer™ mobile technology to save the notebook's battery power.




Using the Menu Bar You can use the following menus from the menu bar to perform tasks in the NVIDIA Control Panel:

� File

� Edit

� View

� Profiles

� Display

� Help

Using the View Menu

The View menu is the third item on the NVIDIA Control Panel menu bar. All commands related to viewing the various pages in the NVIDIA Control Panel application modules are available on the View menu.

Using the Profiles Menu

NOTE: Menus available on the menu bar may vary, depending on the NVIDIA Control Panel category (such as the Display , Mobile , 3D Settings , or other category) you are using.

View Menu Command Description

Toolbars

The Toolbars command lets you add a standard toolbar to navigate between Home and other NVIDIA Control Panel task pages, quickly access common tasks such as switching between Standard, Advanced, and Custom views, as well as quickly create custom views using the Define Custom Views command.

Status Bar

Select View>Status Bar to toggle between showing and hiding a status bar at the bottom of any NVIDIA Control Panel window.

When the Status Bar command appears with a check mark on the View menu, the status bar is enabled and viewable.

Explorer Bar

The NVIDIA Control Panel Explorer Bar command on the View menu functions similarly to the View Explorer Bars menu found in Microsoft Internet Explorer® 6.0.

Select View>Explorer Bar to toggle between showing and hiding one of more of the following groups of Help commands or other tasks on the secondary tasks area of the NVIDIA Control Panel.

When the Explorer Bar commands appear with a check mark, those commands are viewable in the secondary tasks area of the NVIDIA Control Panel:

� Help

� Recent Tasks

� Related Tasks

� Feedback

Classic Navigation Pane

Select View>Classic Navigation Pane to toggle between showing and hiding a navigation pane added on the right side of the NVIDIA Control Panel interface.

When the Classic Navigation Pane command appears with a check mark, the navigation pane is visible.

Standard

Select View>Standard to view and access the majority of commonly used and simpler tasks in the NVIDIA Control Panel applications.

When the Standard command appears with a check mark, the Standard view is currently active on the NVIDIA Control Panel.

Advanced

Select View>Advanced to view and access certain complex tasks in the NVIDIA Control Panel applications. These tasks often require some advanced experience using graphics hardware and software (drivers).

When the Advanced command appears with a check mark, the Advanced view is currently active on the NVIDIA Control Panel.

Custom The Custom command appears on the View menu only if you have used the Define Custom Views command to customize showing or hiding specific screens.

Define Custom View

Select Define Custom Views from the View menu to see and use customized views based on the application modules (Display , 3D Settings , etc.) installed on the system.

Notification Tray Icon

Clicking the NVIDIA Control Panel notification tray icon in the Windows taskbar notification area offers a quick way to configure key NVIDIA Control Panel settings.

Select View>Notification Tray Icon to show or hide the NVIDIA Control Panel notification tray icon in the Windows taskbar notification area.

NOTE: The Profiles menu appears when you are working in certain application modules, such as Display .




Select View>Profiles to work with Profiles, which contains display settings you may have saved when performing specific tasks in the Display or 3D Settings application sections of the NVIDIA Control Panel.

You can do the following when using Profiles commands:

� Load a saved profile

� Create a new profile

� Delete an existing profile

Getting Help The topics in this section describe various ways for you to obtain help while using the NVIDIA Control Panel.

Access Online Help

To view context-sensitive help, do either of the following:

� Press <F1> on the keyboard

� Select Help from the NVIDIA Control Panel menu bar and then select NVIDIA Control Panel Help

To access the complete Help content, do the following:

1. If the Help menu is not expanded, click the Help option in the secondary tasks area of the NVIDIA Control Panel interface.

If the Help menu is already expanded, go to step 2.

2. Select any one of these options for the task you want to accomplish: � Content — Opens the Help table of contents

� Search — Allows you to search for text you specify

� Index — Allows you to select an index entry to access corresponding information

� Contact NVIDIA — Takes you to an NVIDIA website where you can enter questions and comments about the NVIDIA Control Panel

Get Information About the Program and Computer

In this section, you can check which version of the NVIDIA Control Panel you are using and also get detailed information about the installed NVIDIA hardware.

� To get information about NVIDIA Control Panel, select About NVIDIA Control Panel from the Help menu.

� To get information about the system, select System Information from the Help menu.

Print a Help Topic

1. Find and display the Help topic you want.

2. Right-click in the right Help pane and select Print from the pop-up menu.

3. Select the print options you want in the Print dialog box and click OK.

Get Technical Support

From the NVIDIA Control Panel, click Support>Support Web site to reach the NVIDIA technical support website:

http://www.nvidia.com/page/support.html

Supported Display Modes

*1440x900 requires a WXGA+ LCD panel, available as a purchase option

LCD Display Modes VGA/DVI Display Modes Refresh Rates

800x600 (SVGA) 800x600 (SVGA) 60 Hz

1024x768 (XGA) 1024x768 (XGA) 70 Hz (required for XGA resolution only)

1280x800 (WXGA) 1280x768 (for LCD/TV) 75 Hz

1280x768 (for LCD/TV) 1280x1024 (SXGA+) 85 Hz

1440x900* (WXGA+) 1600x1200 (UXGA) — reduce blanking for DVI

1920x1200 (WUXGA) — reduce blanking for DVI




Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM NVIDIA Using the Software This document is Dell Confidential




General Windows Problems If you experience a problem using the NVIDIA® Quadro® NVS 110M-based graphics solution, the following causes may apply:

� The application is incompatible with the NVIDIA Quadro NVS 110M or OpenGL®.

� The NVIDIA Quadro NVS 110M driver software is incorrectly installed.

To correct the problem, try the following:

� Check the application's certification status to verify it is compatible with the NVIDIA Quadro NVS 110M. Also see the "Application Incompatibility" section below.

� Reinstall the drivers using the Dell™ ResourceCD. Also see the "Incorrect Installation" section below.

� If you are using external displays, shut down the computer and check the cable connections.

Application Incompatibility The NVIDIA Quadro NVS 110M supports the following APIs (application programming interfaces) on Windows® XP:

� Direct3D®

� OpenGL (ICD)

If the software application or game you are running does not support one of these 3D APIs, it cannot properly detect the NVIDIA Quadro NVS 110M and therefore cannot use its features. In this case, check with the application/game publisher about obtaining a version that supports these 3D APIs.

Incorrect Installation of NVIDIA Driver Software Check Device Manager to determine if all the drivers are installed properly. To go to Device Manager, follow these steps:

1. From the Windows task bar, point to Start>Settings>Control Panel or to Start>Control Panel , depending on the Startmenu setup.

2. Double-click System to open the System Properties window.

3. Click Device Manager to display the Device Manager window.

NVIDIA Troubleshooting

NOTE: The Display adapters item in the list shows if the NVIDIA driver is functioning properly. If it is not functioning properly, a yellow icon with an exclamation point appears next to the device driver in question. If it is functioning properly, NVIDIA Quadro NVS 110M is displayed. Refer to the installation instructions to properly install the NVIDIA driver.

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM NVIDIA Troubleshooting This document is Dell Confidential




NVIDIA Specifications

GPU (Graphics Processing Unit)

Manufacturer NVIDIA Corporation

Model NVIDIA® Quadro® NVS 110M

Display connections VGA (For details, see the "Connecting Displays" section.)

Physical Configuration

Bus type PCI Express® x16/x1

Video memory configuration 64 MB Turbocache™

Size

64 MB Turbocache, which increases video memory as follows:

� On systems with 256 MB of system memory, 64 MB of system memory is used dynamically for the frame buffer for a total of 128 MB of video memory.

� On systems with 512 MB or more of system memory, 192 MB of system memory is used dynamically for the frame buffer for a total of 256 MB of video memory.

Video memory speed 300 MHz

Maximum resolution 1920x1200 (For supported display modes, see the "Supported Display Modes" section.)

Vertical refresh rates 60–85 Hz (For supported display modes, see the "Supported Display Modes" section.)

Certifications FCC Class B, CE Class B

Operating System Information

Supported operating systems

� Microsoft® Windows® XP Home SP2

� Microsoft Windows XP Pro SP2

� Microsoft Windows XP Pro 64-bit

Environmental

Operating temperature 10° to 50° C (50° to 122° F)

Humidity 10% to 90% (noncondensing)

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM NVIDIA Specifications This document is Dell Confidential




The infrared port is located on the left side of the system. Infrared requires an unobstructed cone of 30 degrees at a distance of no greater than 4 to 6 feet to function properly. Devices outside that range or outside the cone either are not detected or may intermittently drop connection.

The infrared port is disabled by default in the BIOS. To use this feature, go into the BIOS and enable the infrared port, enabling it on COM2. The Windows® operating system should automatically detect the port and install it in Device Manager. If the infrared device to connect to is active and in range, Windows notifies you that it has been detected.

Troubleshooting Here are some steps to follow if you cannot get infrared working:

1. Be sure infrared is enabled in the BIOS and is installed in Device Manager.

2. Make sure the device is turned on and within range.

3. If a conflict is occurring on the computer with the infrared in Device Manager, try switching to COM3 or COM4 in the BIOS and remove and reinstall the infrared device in Device Manager.

4. Infrared is a serial communication device, and therefore transmits slowly when compared to other methods of data transmission.

5. If you want to check if the infrared port is working, point a standard television or stereo remote control at the port and start pressing buttons. A message should appear warning about an infrared device in range causing interference.

Infrared

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM Infrared This document is Dell Confidential




The Latitude™ D620 contain an integrated network adapter (LOM). The Broadcom® BCM5752 Ethernet controller supports 10/100/1000 BASE-T Ethernet connectivity. The 5752 includes a 10/100/1000-Mbps Ethernet MAC with full/half-duplex capability at all speeds and 10/100 copper PHY.

The Broadcom BCM5752 is one of the controllers that implement the advanced PCI Express® host interface. The BCM5752 is optimized for the tight space constraints of mobile PCs, so it has the industry's smallest footprint. In addition, the BCM5752 can sense how the mobile PC is being used and reduces the power to the lowest level necessary for that use. Whether the computer is docked

or mobile, transmitting data or not, the BCM5752's advanced power management logic provides six power-down modes to always use the lowest power possible, extending battery life. Through an integrated Trusted Platform Module (TPM), the BCM5752 also includes support for the Trusted Computing Group 1.1b specification, offering security features and strong authentication to protect corporate information from attack.

Broadcom Advanced Control Suite

The Broadcom Advanced Control Suite is a Windows® diagnostic utility that can be installed from the ResourceCD or support.dell.com. The Control Suite allows you to view statistics for the adapter, as well as a method to troubleshoot the adapter in a Windows setting.

Troubleshooting

The network jack on the back of the computer contains link and data activity LEDs. A green (10 Mb) or amber (100 Mb) link light indicates the network connection is active. If the link status light is off, replace the network cable. Blinking activity indicates the network adapter driver is loaded and the adapter is detecting activity.

If the LOM is not being recognized, check if it is enabled in BIOS.

Integrated NIC

1000 Mbit Connection 100 Mbit Connection 10 Mbit Conn ection

Steady yellow — 1000 Mb Steady orange — 100 Mb Steady green — 10 Mb

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM Integrated NIC This document is Dell Confidential




Dell offers two LCDs with the Latitude™ D620:

� 14.1" WXGA nonglare (1280x800)

� 14.1" WXGA+ UltraSharp™ (1440x900)

Both LCDs are 14.1" wide-screen displays with a 16:10 aspect ratio. These LCDs are not CRUs.

LCD Built-In Self-Test The Preboot System Assessment (PSA) build 3019 introduces a new test for the LCD, the LCD BIST (Built-In Self-Test). The LCD BIST is only available if the platform supports it.

Here are the steps to follow to run the LCD BIST:

1. Boot to the Preboot System Assessments (PSAs).

2. Watch the screen and listen for the color bar test prompt tones emitted by the PSA Diagnostics.

3. Press N or wait approximately 30 seconds to fail the color bar test.

4. Watch for the LCD BIST color generation and listen for the beeps every 2 seconds that indicate LCD BIST is running.

5. LCD BIST runs for approximately 20 seconds then stops. The 3-3-3 or 3-3-4 error code is then displayed on the BIST's completion.

While running this test, the LCD is operating on its own, free of the video controller which may be discrete (a video card) or onboard (on the system board). The test allows you to distinguish an LCD panel problem from a problem with the controller. If the colors are displayed across the screen without a problem, then the issue is not with the LCD.

LCD

NOTE: If the screen is visible, the PSA Diagnostics draws a series of multicolored bars across the screen. Once complete, a prompt asking if you saw the pattern appears and is accompanied by a brief series of tones.

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM LCD This document is Dell Confidential




In addition to the new audio chipset, the Latitude™ D620 also use the Intel® High Definition Audio Codec, code-named Azalia, as part of the modem setup. As the modem features become increasingly integrated with the audio controller, this integration is a logical evolutionary step and enhances the modem capabilities.

The modem itself is a Conexant® HDA D110 MDC. It is located under the palm rest of the system. For this reason, the modem is a FRU.

Features The new Conexant modem using the Intel codec has some of these features:

� Base driver supports modem functionality

� Supports V.92 and V.44 standards (details below)

V.92 Standard V.92 is a dial-up modem specification from the International Telecommunications Union (ITU) that introduces several new features designed to improve modem performance, including Modem-on-Hold™, QuickConnect, and PCM Upstream data transmission.

1. Modem-on-Hold — Allows you to receive an incoming telephone call while you are connected to the Internet on the same phone line.

2. QuickConnect — Reduces the time it takes for the computer to connect to the ISP. With QuickConnect, the modem identifies the phone line characteristics during a data connection, saves this information, and uses this data to compare line quality variables when making a future connection with the same server modem. The amount of time saved varies on each phone line.

3. PCM Upstream — Increases the upstream data rates from the system to the ISP, which reduces the upload times for large files and e-mail attachments. A maximum upstream data rate of 48 Kbps is possible, compared to the previous V.90 standard and maximum upstream data rates of 31.2 Kbps.

While PCM Upstream does increase upstream speeds, it also reduces download speeds at the same time. Because of this, Dell has disabled PCM Upstream on the computer.

Modem-on-Hold The Modem-on-Hold (MOH) feature requires an applet to put the modem on hold to receive the incoming call or to place an outbound call on the other phone line. Modem-on-Hold is disabled by default.

V.44 Compression V.44 compression is a new ITU standard designed to improve data compression rates between the computer and the ISP. These higher compression rates, which increase between 20 and 60 percent on average and as much as 200 percent, mean more data can be downloaded in the same amount of time. Since HTML text files are highly compressible, you notice the most significant improvement when browsing and searching the Web.

Technical Specifications Some of the specs for the modem are listed below.

Modem

NOTE: The star on the tab of the modem itself identifies it as an RoHS-compliant modem. It should not be replaced with older modems that do not meet this specification.

NOTE: The modem is currently v.92 capable. However, the PCM Upstream feature is ISP dependent.

NOTE: MOH requires call waiting service from the phone company and V.92 support from the ISP.

Modem Specifications

56K modem V.92 with software upgradeability

Data modem standard

Supports V.92 upstream to 48Kbps and V.90 Data Mode with autofallback to K56flex, V.34.

Error correction Supports Data Mode Error Correction V.42 LAPM and MNP 2-4 error correction

Data compression V.42bis, MNP 5, and V.44 data compression




Fax modem standard

Send and receive rates up to 14.4 kbps, V.17, V.29, V.27ter, and V.21 channel 2

Command set TIA/EIA 602 standard for AT command set and TIA/EIA 578 Fax Class 1 command set

Dialing DTMF and call progress monitor

Power management Supports ACPI Power Management and wake-up on ring

Secondary codec Crystal is placed on the system board; the modem is designed as secondary codec and BIT-CLK as an input

Bus interface Compliant to Intel Mobile Audio/Modem Daughter Card Specification 1.0

Operating system Microsoft® Windows® 98SE Windows 2000 Windows ME Windows XP

Homologation U.S.A./Japan/Canada/CTR-21/Hong Kong/Taiwan/China/Australia/New Zealand/Singapore/Korea/Malaysia

Safety requirement CSA/UL1950 (Third Edition), EN60950 A1+A2+A3+A4+A11

Line interface Connected to RJ-11 on system board through connector Surge protector and ferrite bead are placed on the modem

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The Latitude™ D620 ships with the new Intel® Core™ Duo and Core Solo processors, dual-core and single-core processors, respectively. As with all newly designed processors, these CPUs are not backwards compatible with older units. However, you can swap a single-core with a dual-core processor since they share the same socket design and pinouts.

Unlike the newest desktop processors that use the Socket T design, the connector pins are not located on the system board but are still found on the processor itself. This design is more reliable for a mobile platform since the pins seat more securely. Take care not to bend the pins when removing or replacing a processor.

For more information on these processors and their features, visit the "Processor Technology" section.

Centrino Technology

Centrino® has been around for several years and is Intel's complete wireless solution. Intel has released the next generation of Centrino, Centrino Duo. You still need an ISP to access the Internet, however. Internet connections can be made with either wireless LAN or wireless WAN (cellular) cards. Not all systems support wireless WAN cards.

For a system to bear the Centrino Duo logo, the system must contain the following hardware:

� Intel Core Duo processor

� Intel Napa chipset

� Intel wireless card

Thermal Solution The thermal solution for the Latitude D620 is unique. In addition to a thermal pad that adheres to the bottom of the heat sink, an additional EMI pad covers the entire processor. Since the heat sink itself does not fully cover the CPU chip, this pad protrudes from the bottom of the heat sink.

Additionally, the heat sink is different depending on the video solution of the system. The discrete version has a different design than the integrated solution, as seen below.

Integrated Graphics Thermal Solution

Processor




Discrete Graphics Thermal Solution

Parts Replacement When the processor is sent for replacement, a heat sink is automatically included. Remove the protective backing that allows you to adhere the pad to the processor on the unit.

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The Latitude™ D620 have an Alps® touch pad as well as a track stick. The Alps driver allows you to customize the touch pad and track stick's behavior.

Biometric Reader The biometric reader on the Latitude D620 is optional, so not all systems have this device. It is located between the touch pad keys towards the front edge of the system. The biometric reader is used with the other security features of the system, namely the Dell Embassy® Trust Suite by Wave Systems software package.

Biometric Driver Installation You must install the biometric driver to enable any of the biometric reader's features, including any Trusted Platform Module (TPM) function. Install the driver from the Dell™ ResourceCD or by downloading it from support.dell.com..

Biometric Support Dell will verify functionality of the hardware and ensure the driver is installed properly for the biometric reader. Use of the device in any application other than through Dell TPM is supported by the application vendor. Before using the biometric reader as part of the TPM software suite, the user must to do the following steps:

� Set up an account (network or local) on the system.

� Install the TPM software.

� Use the Preboot Manager feature to set system passwords.

� Enable the TPM in the BIOS.

These steps allow the user to enroll fingerprints and start using the Embassy Security Center features.

Touch Pad and Biometrics

NOTE: The user should enroll more than one finger during this process.

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The Latitude™ D620 uses a 65 W AC adapter. It connects to the back of the system.

The AC adapter works with electrical outlets worldwide. However, power connectors and power strips vary among countries. Using an incompatible cable or improperly connecting the cable to the power strip or electrical outlet may cause fire or damage equipment.

Both the 65 W and the 90 W AC adapters have a new AC inlet design, using 2-pin power cords instead of 3-pin.

AC Adapter

CAUTION: When you disconnect the AC adapter cable from the computer, grasp the connector, not the cable itself, and pull firmly but gently to avoid damaging the cable.

Old 3-pin Design 2-pin Design shipped worldwide except Russia

3-pin design for Russia

NOTE: For Russia only, 3-pin cords are still used, but the connection to the AC adapter brick changes to the C-Family Mickey Mouse shape compared to the D-Family shape with 3 pins in a straight line.

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One of the batteries on the Latitude™ D620 is unique to Dell: It has an extended piece that runs along the front edge of the system. Due to this design as well as a new method of latching the batteries into the chassis, you cannot swap batteries between the Latitude™ D620 and other older Latitude D Series units.

Dell offers three different batteries:

� 4-cell Lithium Ion (35 WHr)

� 6-cell Lithium Ion (53 WHr)

� 9-cell Lithium Ion (85 WHr) — includes palm rest

Battery Operation Battery operating time varies depending on operating conditions. You can install an optional second battery in the module bay to significantly increase operating time.

Operating time is significantly reduced when you perform operations including, but not limited to, the following:

� Using DVD, DVD-R, and CD-RW drives

� Using wireless communications devices, PC Cards™, or USB devices

� Using high-brightness display settings, 3D screensavers, or other power-intensive programs such as 3D games

� Running the computer in maximum performance mode

You can check the battery charge before you insert the battery into the computer. The battery has an indicator that displays from one to five dots, indicating an approximate charge level. You can also set power management options to alert you when the battery charge is low.

When you connect the computer to an electrical outlet or install a battery while the computer is connected to an electrical outlet, the computer checks the battery charge and temperature. If necessary, the AC adapter then charges the battery and maintains the battery charge.

If the battery is hot from being used in the computer or being in a hot environment, it may not charge when you connect the computer to an electrical outlet.

The battery is too hot to start charging if the battery light flashes alternately green and orange. Disconnect the computer from the electrical outlet and allow it and the battery to cool to room temperature. Then connect the computer to an electrical outlet to continue charging the battery.

Charging the Battery The battery operating time is largely determined by the number of times it is charged. After hundreds of charge and discharge cycles, batteries lose some charge capacity or battery health. That is, a battery can show a charged status but maintain a reduced charge capacity (health).

Check the Battery Charge To check the battery charge, press and release the status button on the battery charge gauge to illuminate the charge level lights. Each light represents approximately 20 percent of the total battery charge. For example, if four lights are on, the battery has 80 percent of its charge remaining. If no lights appear, the battery has no charge.

Check the Battery Health

To check the battery health using the charge gauge, press and hold the status button on the battery charge gauge for at least 3 seconds. If no lights appear, the battery is in good condition, and more than 80 percent of its original charge capacity remains. Each light represents incremental degradation. If five lights appear, less than 60 percent of the charge capacity remains and you should consider replacing the battery.

Battery Health Meter On currently shipping platforms, a new feature called the Battery Health Meter (BHM) has been added to help identify problems with a battery.

Battery

NOTE: You cannot use an auto/air adapter with a 9-cell battery.

NOTE: You can check battery health in one of two ways: Use the charge gauge on the battery as described below, or use

the Battery Meter in the Dell™ QuickSet utilities. For information about QuickSet, right-click the icon in the taskbar, and click Help .




Removing the Battery Removing the battery on the Latitude D620 can be a bit tricky. Follow these steps to remove any of the batteries available for this system:

1. Slide the release latches away from the center of the battery. These latches lock in place and do not need to be held to release the battery.

2. Slide the battery itself toward the front edge of the system. It slides about a half inch. Do not try to lift the battery out of the bay; it cannot do so until it is free of the latches.

3. Once you have slid the battery forward, you can now lift it clear of the system.

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The Dell Wireless 350 Bluetooth Module is located at the top edge of the system above the keyboard. To access it, you only need to remove the lightpipe. This device is a CRU.

Troubleshooting

� Check the BIOS to ensure the wireless card is detected. Also verify the Wireless setting is turned on and not set to Always Off .

� If the Bluetooth device is installed, also verify the radio LED is enabled. You can turn the wireless and Bluetooth cards on or off with the wireless catcher switch.

� If the card does not show up in the BIOS or Device Manager, reseat the card.

Bluetooth

The Latitude™ D620 offer the following optional internal Bluetooth® daughter card (BDC):

� Dell™ Wireless 350 Bluetooth Module

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The coin battery (also known as the reserve battery) is used to retain system information when no other power source (such as the AC adapter or main battery) is connected. This prevents the BIOS from losing any configuration changes.

The coin battery on the Latitude™ D620 is located underneath the keyboard. It may be difficult to remove since is it in a recessed location. You must gently pry up the plastics that sit over the top of the battery to gain access to remove the battery.

Coin Battery

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The Latitude™ D620 is compatible with the following D-Family docking solutions:

� D-Port and D-Dock

This system also function with the USB docking adapter. However, it does not work with devices such as the media slice available for the Latitude X1.

Troubleshooting If the system is docked, then the docking station must be connected to the 90 W AC adapter. If not, you see the following message displayed on the screen:

Docking Stations

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The Latitude™ D620, Latitude D820, and Dell Precision™ M65 are the first of the Latitude line to offer SATA hard drives. SATA technology has been around for some time on desktops but has been slow to transition to portables. With data transfer rates of 150 Mb per second, this technology offers a substantial speed increase over older PATA drives.

From a troubleshooting standpoint, nothing has really changed. Follow the exact same steps you did when troubleshooting a SATA drive.

The hard drive is offered in the following sizes:

� 60 GB (5400 r.p.m.)

� 80 GB (5400 and 7200 r.p.m.)

� 100 GB (5400 and 7200 r.p.m.)

� 120 GB (5400 r.p.m.)

Strike Zone On the bottom chassis of the production unit the words Strike Zone are printed near the hard drive. This text appears only for engineering purposes and does not indicate you should strike the unit there in any way. Doing so could damage the hard drive or other components. The strike zone is a reinforced area of the platform base that protects the hard drive by acting as a dampening device when a system experiences resonating shock or is dropped.

Hard Drive Removal The illustration below shows how to remove the hard drive.

Hard Drive

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The Latitude™ D620 uses a full-size notebook keyboard. Unlike most Inspiron™ units, a track stick is on the keyboard, so this system is considered to have a dual-pointing option. You can also connect a mouse to one of the USB ports for a third pointing option.

Keyboard Shortcut Key Changes The D620's keyboard is different from the one used on previous models. Some of the function key combinations have been removed and others added. The images below demonstrate these changes.

Click either picture above to see a larger image in a new window.

LEDs and Buttons This keyboard incorporates the three keyboard status LEDs as well as the audio control and power buttons into the keyboard itself. These LEDs and buttons were previously a part of the palm rest. If one of these buttons fails, you must replace the keyboard.

Keyboard





Keyboard Service Due to an alignment issue involving the keyboard and palm rest, for the first month or so the keyboard on this system is a FRU. This policy affects all systems sold on or before May 1, 2006. When a keyboard or palm rest needs to be replaced on the Latitude D620, both parts are sent.

This policy does not affect the mini card, memory, or other CRUs that might be located beneath the keyboard since the keyboard itself is not being replaced, only removed. Those items remain CRUs.

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The Latitude™ D620 uses DDR2 memory. At 667 MHz, this memory offers a significant increase of memory performance over the D610 platform. This system supports 533 MHz as well as 667 MHz modules, but Dell only offers 667 MHz modules at the time of purchase. DDR2 memory is keyed differently from both SDRAM and DDR to prevent you from installing the wrong type of memory into the system.

Memory Configuration This system has two user-accessible slots for installing memory. One is located on the bottom of the system (DIMM B), and the other is located beneath the keyboard (DIMM A). Both are CRUs. Dell offers three different size memory modules that can be used in these slots: 256 MB, 512 MB, and 1024 MB. These offerings allow memory configurations as follows:

*Indicates dual-channel interleaved (fastest) configuration

Troubleshooting Memory errors on the system display the new ON-FLASH-FLASH or ON-FLASH-ON failure code. If all memory fails, the LCD does not turn on. Troubleshoot for possible memory failure by trying known good memory in the memory slots on the bottom of the system as well as under the keyboard.

4 GB Memory Barrier The Latitude D620 support a maximum of 4 GB of memory. Current operating systems such as Microsoft® Windows® XP can only use a maximum of 4 GB of address space. However, the amount of memory available to the operating system is less than 4 GB. Certain components within the computer require memory address space in the 4 GB range. Any memory address space reserved for these components cannot be used by the operating system.

Memory

Slot A Slot B Total Memory256 MB None 256 MB

512 MB None 512 MB

1024 MB None 1024 MB

2048 MB None 2048 MB

256 MB 256 MB 512 MB*

512 MB 256 MB 784 MB

1024 MB 256 MB 1280 MB

2048 MB 256 MB 2304 MB

512 MB 512 MB 1024 MB*

1024 MB 512 MB 1536 MB

2048 MB 512 MB 2560 MB

1024 MB 1024 MB 2048 MB*

2048 MB 1024 MB 3072 MB

2048 MB 2048 MB 4096 MB*

NOTE: This is a limitation of a 32-bit architecture: the system can only address 4 GB of allocated memory. Allocated memory is made up of physical RAM and any I/O space needed by devices. Normally this is not a problem, but when a system has 4 GB of physical memory, the memory addresses needed to map RAM overlap the space needed for the I/O devices. In this case, the need for I/O space takes precedence, and the amount of RAM visible to the operating system is limited to 4 GB minus the I/O allocation.

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With the advent of PCI Express® technology on portable computers, a new type of expansion slot, the mini card slot, replaced the older Mini PCI® slot. This new form factor is roughly half the size and is based on PCI Express x1 and USB 2.0 technology, making the mini cards much faster than the older Mini PCI cards. Primarily, these cards are used for wireless options including wireless local area networking (WLAN) and wireless wide area networking (WWAN).

The mini card and host socket is based on a single 52-pin card-edge type connector for its system interfaces. The host system connector is similar to a small outline dual in-line memory module (SO-DIMM) connector and is modeled after the Mini PCI Type III connector. However, the new host system connector does not have side retaining clips; it relies on two card-retention mounting points at the opposite end of the card. The I/O connectors on a mini card are at the opposite end of the system connector. Depending on the application, one or more connectors may be required to provide for cabled access between the card and media interfaces such as LAN and modem line interfaces and/or RF antennas.

With both PCI Express x1 and USB 2.0 interfaces defined for the mini card, the computer manufacturer has the option to only accommodate one of these interfaces in a given platform or socket. In addition, the LED interface provides for three separate indicators, one each associated with WLAN, WWAN, and WPAN (wireless personal area networking) technologies. A recommended usage model covers indications for various states of radio operation, including on, off, searching/associating, and transmit/receive activity.

The Latitude D620 has two mini card slots. One is beneath the keyboard next to the keyboard connector and modem daughter card (MDC) on the left side of the system.


The other slot is located across the top of the system next to the coin battery, also underneath the keyboard. These slots are labeled WWAN and WLAN, respectively, to identify the type of card that should be used in each slot.

Mini Card





Antennas

Five antenna leads run from the LCD to the mini card locations. The main (white) and auxiliary (black) wires are for the WLAN cards, the gray/white and gray/black wires are for the WWAN cards. The fifth lead is for the 802.11n standard when cards become available.

Cap any unused antenna lead for the WWAN cards to prevent interference with the other cables and the card itself.

Connect the wires for the WWAN cards as follows:

NOTE: While the mini wireless cards are CRUs, the antenna cables are field replaceable only. The cables are contained in the LCD top cover assembly and are not a separate orderable part. If an antenna cable needs to be replaced for any reason, you must replace the LCD top cover.

WWAN Card White/Gray Antenna Black/Gray AntennaDell™ Wireless 5500 (US)

single post Attached Capped

Dell Wireless 5505 (EU) single post Capped Attached

Dell Wireless 5700 dual post Attached — Main Attached — Aux

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On the Latitude™ D620, the modular bay accepts the following devices:

� Travel module (airbay)

� Floppy disk drive

� CD-ROM drive

� CD-RW drive*

� DVD drive*

� CD-RW/DVD drive

� DVD+/&dnash;RW drive

� Second battery

� Second hard drive

*This item is not a standard offering at time of purchase.

Device Security Screw

The Latitude D620 ships with a drive installed in the modular bay and a device security screw, which is not installed in the drive but packaged separately. When you install a module in the bay, you can install the device security screw to prevent the module from being easily removed.

Modular Bay

NOTE: You do not need to install the device security screw unless you want to prevent the module from being easily removed.

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The Latitude™ D620 contains one PC Card™ slot on the left side of the unit. The system uses a Texas Instruments™ CardBus controller, which supports one Type I or Type II PC Card.


The image shows the proper insertion and removal of a PC Card.

PC Card

1 Smart card slot 2 PC Card slot

NOTE: This system has no ExpressCard™ slots. If you want to use an ExpressCard, use a PC Card adapter to connect the ExpressCard to the system. This adapter does not come with the unit and is not provided by Dell.

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Smart cards are portable credit card-shaped devices with internal integrated circuits. The top surface of the smart card usually contains an embedded processor under the gold contact pad. The combination of the small size and integrated circuits make smart cards valuable tools for security, data storage, and special programs. Using smart cards can improve system security by combining something a user has (the smart card) with something only the user should know (a PIN) to provide more secure user-authentication than passwords alone.

Part of the security features on the Latitude™ D620 is a smart card reader. This thin slot is located just below the PC Card slot on the system. This reader is part of the security package that includes TPM 1.2, the biometric reader, and the Wave® software package. When combined with the BIOS password features and the Computrace® software, this system offers much more security than its predecessors.

The picture below demonstrates how to insert and remove a smart card on the Latitude D620.

Smart Card

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The Latitude™ D620 offers you the following options:

� Access System Setup by pressing <F2>

� Bring up a one-time boot menu by pressing <F12>

� Start the Preboot System Assessment by pressing <Fn> and the power button

<F12> Menu Press <F12> when the Dell™ logo appears to initiate a one-time boot menu with a list of the valid boot devices for the system. Diagnostics and Enter Setup options are also included on this menu. The devices listed on the boot menu depend on the bootable devices in the system. This menu is useful when you attempt to boot to a particular device or bring up the diagnostics for the system. Using the boot menu does not make any changes to the boot order stored in the BIOS.

Entering System Setup Press <F2> to enter System Setup and make changes to the user-definable settings. If you havetrouble entering System Setup using this key, press <F2> when the keyboard LEDs first flash.

Boot Menu The Latitude D620 features an enhanced one-time boot menu. The enhanced menu features the following improvements:

� Easier access — Access the menu by pressing <F12> during system boot.

� User prompting — The missing keystroke is now displayed on the BIOS splash screen.

� Added diagnostics options — The boot menu now includes two new options: IDE Drive Diagnostics (90/90 hard drive diagnostics) and Boot to the Utility Partition .

Drive BIOS Quicktest The Drive BIOS Quicktest allows you to test the physical function of the hard drive without having to locate and download files on the Web or make bootable floppy disks or CDs. Select IDE Drive Diagnostics from the boot menu to initiate the test.

Navigation Keystrokes Use the following keystrokes to navigate the BIOS screens.

Menu Options The following tables describe the menu options for the System Setup BIOS.

System BIOS

Navigation Keystrokes

Action Keystroke

Expand and collapse field <Enter>, left or right-arrow keys, or +/–

Expand or collapse all fields < >

Exit BIOS <Esc> — Remain in Setup, Save/Exit, Discard/Exit

Change a setting Left or right-arrow keys

Select field to change <Enter>

Cancel modification <Esc>

Reset defaults <Alt><F> or Load Defaults menu option

NOTE: Depending on the computer and its installed devices, the items listed in this section may or may not appear.

System

Option Description

System Info This field lists the computer name, BIOS version, Service Tag, asset tag, and ownership tag. None of these fields can be changed.

Processor Info

This field identifies the processor type, processor ID, current clock speed, maximum clock speed, processor cache size, and dual core present.

Memory Info This field indicates the memory installed, memory speed, memory channel mode, and memory technology.

Device InfoThis field indicates the primary hard drive, modular bay device, system D/Bay device, video controller, video memory, panel type, native resolution, audio controller, modem controller, Wi-Fi® device, cellular device, Bluetooth® device, and AC adapter device.

Battery Info This field indicates the primary battery and the module bay battery status.

Battery Info This field indicates the primary battery and the module bay battery status.

Battery




Health This field indicates the primary battery and the module bay battery status.

Date/Time This field displays current date and time settings.

Boot Sequence

This field displays the sequence of devices the computer attempts to boot from:

� Diskette or USB floppy disk drive

� Internal hard drive

� Onboard or USB CD-ROM drive

� CD/DVD/CD-RW drive detected

� Any other bootable add-in devices detected (listed in the order they are detected, with Onboard Network Controller usually being detected first such as the modular bay hard drive, cardbus NIC, D-Dock PCI slot NIC, and the onboard NIC)

Onboard Devices

Option Description

NOTE: The Onboard Devices group contains options and settings related to integrated system devices. Depending on the computer and its installed devices, the items listed in this section may or may not appear.

Fast IRThis field determines how the Fast IR serial port operates. Default setting: Off

Integrated NIC

This field enables or disables the onboard LAN controller. Default setting: Enabled

Internal Modem

This field enables or disables the onboard internal modem. Default setting: Enabled

External USB ports

This field enables or disables the external USB ports. Default setting: Enabled

Parallel PortThis field determines how the parallel port on the docking station operates. Default setting: ECP

Serial Port

This field determines how the integrated serial port operates. The settings are COM1, COM2, COM3, and COM4. Default setting: COM1

PC Card™ and 1394

This field lets you enable and disable the PC Card slot and the 1394 device. Default setting: Enabled

NIC Controller

You can set the NIC to On (default), Off , or On w/ PXE . When the On w/ PXE setting is active (available only for the future boot process), the computer prompts you to press <Ctrl><Alt><B>. Pressing this key combination causes a menu to display that allows you to select a method for booting from a network server. If a boot routine is not available from the network server, the system attempts to boot from the next device in the boot sequence list. Default setting: On

Audio Controller

This field enables or disables the onboard audio controller. Default setting: On

USB Controller

This field enables and disables the integrated USB Controller. Settings are Off , On, and No Boot . Default setting: On

LPT Port Mode

This field selects the mode of operation for the integrated parallel port. The settings are as follows:

� Off — Disables the port.

� AT — Configures the port for IBM.

� PS/2 — Configures the port for IBM.

� EPP — Enhanced parallel port protocol.

� ECP — Extended capability port protocol.

Default setting: PS/2

LPT Port Address

This option sets the address the built-in parallel port uses. The settings are 378h, 278h, and 3BCh . Default setting: 378h

PS/2 Mouse Port

This field enables or disables the integrated legacy PS/2-compatible mouse controller. The settings are Off and On. Default setting: On

Video

Option Description

Video This field contains options and settings related to the video controller. The settings are ALS Enabled , Brightness , Brightness (AC) , LCD Panel Expansion , and Primary Video .




Security

Option Description

Admin Password

This option provides restricted access to System Setup the same way access to the system is restricted with the system password. The settings are as follows: Set and Not Set . If the setting is Not Set , type a password and confirm it to enable this option. If the setting is Set, a lock icon appears at the top-right corner of every screen in Setup.

NOTE: To disable the password, type the old password and then press <Enter> twice to leave the New and Confirm Password fields blank.

System Password

This field displays the current status of the password security feature and allows you to assign and verify a new system password. The settings are Set and Not Set . If the setting is Not Set , enter a password and confirm it to enable this option. If the setting is Set, the computer does not boot until you enter the correct password.

NOTE: To disable the password, type the old password and then press <Enter> twice to leave the New and Confirm fields blank.

Internal HDD PW This field lets you set, change, or delete the password on the system's internal hard drive (HDD).

Password Changes

This field controls the interaction between the system password and the Administrator password. The settings are as follows: Denied — You can modify or delete the system password may be without knowing the Administrator password. Permitted — A valid Administrator password is required to modify or delete the system password. Default setting: Permitted

Wireless Switch Change

This field controls lets you determine whether changes to the wireless switch settings are permitted when an Administrator password is set. The settings are as follows: Permitted — You can modify or delete the wireless switch settings without knowing the Administrator password. Denied — A valid Administrator password is required to modify or delete the system password. Default setting: Denied

Wi-Fi Catcher Change

This field lets you determine whether changes to the Wi-Fi catcher are permitted when an Administrator password is set. The settings are as follows: Permitted — You can modify or delete the Wi-Fi catcher settings without knowing the Administrator password. Denied — A valid Administrator password is required to modify or delete the system password. Default setting: Denied

CPU XD Support

This field enables or disables the Execute Disable mode of the processor. The settings are as follows: Off — Do not enable the Execute Disable mode. When disabled, the BIOS forces the Execute Disable bit capability extended feature bit to always return to zero capability. Enabled — Enable the Execute Disable mode. Default setting: Enabled

TPM Security

This field lets you control the Trusted Platform Module (TPM). The settings are as follows: Off — The BIOS does not turn on the TPM at POST. On — The BIOS turns on the TPM at POST so it can be used by the operating system.

TPM Activation

This field lets you control whether the Trusted Platform Module (TPM) is deactivated or activated. The settings are as follows: Deactivate — The TPM is deactivated and does not execute commands. Activate — The TPM is enabled.

Computrace® This field lets you activate or disable the BIOS module interface of the optional Computrace software.

Power Management

Option Description

Auto On Mode

Determines what happens when AC power is restored to the computer. The settings are Off , On, and Last . Default setting: Off




Auto On Time

This field sets the days, if any, when you want the system to turn on automatically. The settings are Off , Everyday , or Weekdays . This feature does not work if you turn off the computer using a power strip or surge protector. Default setting: Off

C-State Enabled

This field specifies whether or not the CMP CPU performs ACPI C state transitions. The settings are Off , C1, C2, C3, or C4. Default setting: C4

Geyserville

This field specifies whether or not the CMP CPU performs Geyserville (GV) transitions. The settings are as follows: Off — GV transitions are disabled. Enabled — GV transitions are enabled. Default setting: On

Wake on LAN

This field allows the computer to turn on from the off state. The settings are as follows: Off — Do not allow the system to turn on when it receives a wake-up signal from the LAN. Enabled — Allow the system to turn on when it receives a wake-up signal from the LAN. Default setting: Off

Option (Variation) Description

AC Recovery

This field determines what happens when AC power is restored to the computer. The settings are Off , On, and Last . Default setting: Off

Auto Power On

This field specifies when to use the Auto Power Time setting to turn on the system. The settings are Off , Everyday , or Weekdays . This feature does not work if you turn off the computer using a power strip or surge protector. Default setting: Off

Auto Power Time

This field lets you set the specific time for the computer to automatically turn on. Use this setting in conjunction with the Auto Power On setting. Time is kept in a 24-hour format (hours:minutes). Change the start-up time by pressing the right- or left-arrow key to increase or decrease the numbers, or type numbers the time fields.

Suspend Mode

The options are as follows: S1 — A Suspend state in which the computer is running in a low power mode. S3 — A Standby state in which the power is reduced or turned off for most components; however, system memory remains active. Default setting: S3

Maintenance

Option Description

Load Defaults

This option allows you to reset every option back to the way it was when the system left the factory. The settings are Cancel and Continue .

Event Log This field displays the system event log.

Docking

Option Description

Docking The docking group contains options and setting related to the docking station. The fields are Dock Device Info , Undocking Method , PCI Slot Monitoring , and Universal Connect .

POST Behavior

Option Description

Fast Boot

This field speeds up the boot process by bypassing some compatibility steps. The settings are Off (do not skip any steps in the boot process) or On (boot quickly). Default setting: On

Num lock Key

This option involves the right-most bank of keys on the keyboard. When set to On, this option activates the numeric and mathematical features shown at the top of each key. When set to Off , this option activates the cursor-control functions labeled on the bottom of each key. Default setting: On

POST Hotkeys

This field specifies whether the sign-on screen displays a message stating the keystroke sequence required to enter the Setup program or the QuickBoot feature. The settings are Setup and Boot Menu , Setup , Boot Menu , and None . Default setting: Setup and Boot Menu




Keyboard Errors

This option disables or enables keyboard error reporting when the system boots. The settings are Report and Do Not Report . Default setting: Report

Wireless

Option Description

Wireless Control

This field allows you to controll Mini PCI® and Bluetooth devices. The settings are as follows:

� Off — The wireless devices are turned off and cannot be enabled.

� Application — The wireless devices can be turned on and off by an application such as QuickSet (The <Fn><F2> hot key does not work).

� <Fn> + <F2>/App — The wireless devices can be turned on and off by an application such as QuickSet or by using the <Fn><F2> hot key.

Wireless Devices

This field allows you to control whether wireless devices are on when the operating system loads.

� Off — Turns off wireless devices.

� On — Turns on wireless devices.

NOTE: The following fields may appear in some systems.

Drives

Option Description

Diskette Drive

This option enables or disables the floppy disk controller. Default setting: On

NOTE: Ensure USB is set to On. To use a USB floppy disk drive in the modular bay, ensure Module Bay is set to On or FDD Only .

Drive 0 - 3

These options enable or disable the drives 0 - 3 and identify the primary serial hard drive attached to the SATA0 connector on the system board. Default setting: On

Drives 4 - 5

This field allows you to enable or disable an ATA or IDE device (such as a hard drive, CD drive, or DVD drive). Default setting: On

SATA Operation

This field configures the serial ATA controller's operating mode. Normal enables the serial ATA controller to operate in serial ATA native mode only. Compatible enables the serial ATA controller to operate in serial/parallel ATA combination mode. Default setting: Normal

Performance

Option Description

Hyper-threading

If the microprocessor supports Hyper-Threading, this option appears in the Options list. This field specifies whether each physical CPU appears as one or two logical CPUs. The performance of some applications improves with additional logical CPUs. Default setting: Off

HDD Acoustic Mode

This field allows you to optimize the IDE drives performance and acoustic noise level based on personal preferences. The settings are as follows:

� Bypass — Do nothing (needed for older drives).

� Quiet — Slower, but quieter.

� Suggested — Allow drive manufacturer to select mode.

� Performance — Faster, but possibly noisier.

Default setting: Bypass

NOTE: Switching to Performance mode may cause the drive to be noisier, but its performance is not affected. Changing the acoustics setting does not alter the hard drive image.




Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM System BIOS This document is Dell Confidential




A system password, an Administrator password, and a hard drive password all prevent unauthorized access to the computer in different ways. The following table identifies types and features of passwords available on the computer.

Using a System Password The system password allows you to protect the computer from unauthorized access. After assigning a system password, you must enter it each time you turn on the computer. The following message appears each time you turn on the computer:

Please type in the system or administrator password and press <Enter>.

To continue, enter the password (with no more than eight characters). If you do not enter a password within 2 minutes, the computer returns to its previous operating state.

If you have assigned an Administrator password, you can use it instead of the system password. The computer does not specifically prompt you for the Administrator password.

Using an Administrator Password The Administrator password is designed to give system administrators or service technicians access to computers for repair or reconfiguration. The administrators or technicians can assign identical Administrator passwords to groups of computers, allowing you to assign the system password.

When you set an Administrator password, the Configure Setup option becomes available in System Setup. The Configure Setup option allows you to restrict access to System Setup the same way a system password restricts access to the computer. The Administrator password can be used instead of the system password. Whenever you are prompted to enter the system password, you can enter the Administrator password.

Using a Hard Drive Password The hard drive password helps protect the data on the hard drive from unauthorized access. You can also assign a password for an external hard drive (if one is being used) that can be the same as or different from the password for the primary hard drive.

After assigning a hard drive password, you must enter it each time you turn on the computer and each time you restore the computer to normal operation from Standby mode. If the hard drive password is enabled, the following message appears each time you turn on the computer:

Please type in the hard-disk drive password and press <Enter>.

Passwords

Type of Password Features

System Protects the computer from unauthorized access.

Administrator Gives system administrators or service technicians access to computers for repair or reconfiguration. Allows you to restrict access to System Setup in the same way a system password restricts access to the computer.

Can be used instead of the system password.

Hard drive Helps protect the data on the hard drive or external hard drive (if one is being used) from unauthorized access.

NOTE: Only hard drives purchased from Dell for use with the Dell™ Latitude™ D-Family computers support hard drive passwords.

NOTE: Passwords provide a high level of security for data in the computer or hard drive. However, they are not foolproof. If you require more security, use additional forms of protection, such as smart cards, data encryption programs, or PC Cards™ with encryption features.

NOTE: If you disable the Administrator password, the system password is also disabled.

NOTE: If you disable the Administrator password, the system password is also disabled.

NOTE: The Administrator password provides access to the computer, but it does not provide access to the hard drive when a hard drive password is assigned.




To continue, enter the password (with no more than eight characters). Press <Esc> to return the computer to its previous operating state.

If you do not enter a password within 2 minutes, the computer returns to its previous operating state.

If you enter the wrong password, the following message appears:

Invalid password [Press Enter to retry]

If you do not enter the correct password in three attempts, the computer tries to start from another bootable device if the Boot First Device option in System Setup is set to allow start-up from another device. If the Boot First Device option is not set to allow the computer to start from another device, the computer returns to its previous operating state.

If the hard drive password, the external hard drive password, and the system password are the same, the computer prompts you only for the system password. If the hard drive password is different from the system password, the computer prompts you for both. Two different passwords provide greater security.

NOTE: The Administrator password provides access to the computer, but it does not provide access to a hard drive that is protected by a hard drive password.

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM Passwords This document is Dell Confidential




Download the Dell™ Portables Asset Tag utility from support.dell.com to create bootable media (such as a bootable CD or floppy disk), and then use the bootable media to assign an asset tag.

Download the Asset Tag Utility Ensure the system has an Internet connection, and then complete the following steps.

1. Save and close any open files and exit any open programs.

2. Ensure you have a drive for the bootable media (such as a floppy disk or CD drive).

3. Access support.dell.com and then download the Dell Portables Asset Tag utility for the computer.

4. Unzip the utility files and run the Asset Tag utility to create the bootable media.

Using the Asset Tag Utility

1. Start the computer using the bootable media.

2. Press <F12> immediately after the Dell logo appears.

3. Press the arrow keys to select the drive containing the bootable media and then press <Enter>.

4. Capitalize all letters you type.

5. Type asset, a space, and the new asset tag, and then press <Enter>. For example, type the following command line, and then press <Enter>: asset ABCD1234.

6. When the computer prompts you to verify the asset tag, press Y. The computer displays the new or modified asset tag and the Service Tag.

7. Restart the computer to exit the Asset Tag utility.

Viewing Existing Asset and Service Tags

1. Boot the computer using the bootable media.

2. Type asset and press <Enter>.

Deleting an Asset Tag


2. Type asset /d and then press <Enter>.

3. When the computer prompts you to delete the asset tag, press Y.

Viewing Existing Asset and Service Tags


2. Type asset and then press <Enter>.

Assigning an Owner Tag An owner tag can have up to 48 characters; any combination of letters, numbers, and spaces is valid.


2. Type asset /o, a space, and the new owner tag, and then press <Enter>. For example, type the following command line, and then press <Enter>: asset /o ABC Company.

3. When the computer prompts you to verify the owner tag, press Y.

Asset Tag

NOTE: The information on booting to the CD is also on the CD supplied with a system board replacement. The Dell Portables Asset Tag utility may not be available as a download in certain countries.

NOTE: If the operating system logo appears, wait until you see the Microsoft® Windows® desktop, and then shut down the computer and try again.

NOTE: An asset tag can have up to 10 characters; any combination of characters excluding spaces is valid.

NOTE: The computer displays the new owner tag.




Deleting an Owner Tag For security reasons, you cannot set, change, or delete the owner tag if the primary or Administrator passwords is set.


2. Type asset /o /d and then press <Enter>.

3. When the computer prompts you to delete the owner tag, press Y.

Asset Tag Options Use one of the asset tag options on the screen.


2. Type asset, a space, and the option, and then press <Enter>.

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM Asset Tag This document is Dell Confidential




The following procedure outlines the steps for setting the Service Tag using the CD shipped with a replacement system board.

Service Tag Utility

NOTE: If the system has the correct line of business BIOS, you do not need to perform the BIOS flash on the system.

Service Tag Flash Process

1. Before flashing the Service Tag:

� Ensure the system is connected to AC power.

� Ensure the battery is in the system.

� Load the Service Tag flash CD into the CD-ROM.

2. Press <F12> to select the option to boot to the CD.

3. Type 1, and then press <Enter> to upgrade the BIOS to the correct line of business.

4. Type either 1, 2, 3, or 4 and then press <Enter> to select the appropriate system type BIOS.

NOTE: The BIOS flash runs and restarts the system. Allow this process to complete before moving to the next step.

5. Press <F12> to select the option to boot to the CD.

6.

Type 3 and then press <Enter> to run the Service Tag utility.




NOTE: Without a BIOS flash on a replacement drive, you receive a version error message.

7. Type Y or N and then press <Enter> to place the Service Tag into the system BIOS.

8.

Type Y or N and then press <Enter> to confirm the selection to replace the Service Tag information.




9. Type the correct Service Tag from the system using the appropriate case where necessary and then press <Enter>.

10. Exit the program, remove the CD, and then restart the system.

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM Service Tag Utility This document is Dell Confidential




The Latitude™ D620 ships with the option of the following operating systems:

� Microsoft® Windows® XP Home SP2



� Microsoft Windows Pro 64-Bit

� Microsoft Windows Vista™ (when available)

� n Series

OS and Drivers Overview

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM OS and Drivers Overview This document is Dell Confidential




If you perform a clean installation of Microsoft® Windows® XP, you must install the following drivers / software packages:

� Dell™ Notebook System Software

� Intel® Mobile Chipset Driver

� Intel 945GM/945PM Video Controller

� NVIDIA® Quadro® NVS 110M/120M Video Controller

� O2Micro® Cardbus/Smart Card Controller

� Biometric reader driver

� Broadcom® NetXtreme™ 57xx Gigabit Integrated Network Controller

� Wireless driver (if applicable)

� SigmaTel® STAC 9200 Audio Driver

� MDC driver

� Alps® touch pad Driver

� Bluetooth® driver and stack

Dell Notebook System Software Install the Notebook System Software update from support.dell.com or by inserting the Dell ResourceCD. If you are installing from the CD, choose Windows XP>System Utilities>Dell Notebook System So ftware .

Intel Mobile Chipset You can check if the chipset driver is installed by looking at Device Manager (shown below). Install the Intel Chipset Update from support.dell.com or by inserting the Dell ResourceCD. If you are installing from the CD, choose Windows XP>Chipset Drivers>Intel Mobile Chipset .

Windows XP

WARNING: You must install the Dell Notebook System Software first . Also, before installing the modem driver, you must install the audio driver because the modem resides on the High Definition Audio bus.

NOTE: Use this page as a reference for what the drivers should look like in Device Manager when installed.




Intel Integrated 945GM/945PM Video Controller You can check if the video chipset driver is installed by looking at Device Manager. Prior to installing the driver, Device Manager registers a generic PCI device entry. Installing the driver changes the entry, as shown below.

Install the Intel video driver is installed from support.dell.com or by inserting the Dell ResourceCD. If you are installing from the CD, choose Windows XP>Video Drivers>Intel 945GM/PM Graphics Co ntroller .

NVIDIA Quadro NVS 110M/120M Discrete Video Controller You can check if the video chipset driver is installed by looking at Device Manager. Prior to installing the driver, Device Manager registers a generic PCI device entry. Installing the driver changes the entry, as shown below.

Install the NVIDIA video driver from support.dell.com or by inserting the Dell ResourceCD. If you are installing from the CD, choose Windows XP>Video Drivers>NVIDIA G72/G72v Graphics C ontroller .

O2Micro Cardbus/Smart Card Controller

You can check if the Cardbus/Smart Card Controller driver is installed by looking at Device Manager (shown below). The Ricoh® Media Card Reader driver is installed from support.dell.com or by inserting the Dell ResourceCD. If you are installing from the CD, choose Windows XP>Drivers >Chipset Drivers> O 2Micro OZ601 Cardbus Controller .

Before Installation After Installation







Biometric Reader Driver You can check if the biometric reader driver is installed by looking at Device Manager. Prior to installing the driver, Device Manager does not register a Biometric Coprocessor device entry. Installing the driver changes the entry, as shown below.

Install the biometric driver from support.dell.com or by inserting the Dell ResourceCD. If you are installing from the CD, choose Windows XP>System Devices>Biometric Reader .

Broadcom NetXtreme 57xx Gigabit NIC You can check if the network controller is installed by looking at Device Manager. Prior to installing the driver, Device Manager registers a generic Ethernet Controller device entry.

Install the Intel network driver from support.dell.com or by inserting the Dell ResourceCD. If you are installing from the CD, choose Windows XP>Network Drivers>Broadcom NetXtreme 57xx Gigabit controller .

Wireless Driver You can check if the wireless driver is installed by looking at Device Manager. Prior to installing the driver, Device Manager registers a generic Network Controller device entry. Installing the driver changes the entry, as shown below.

The wireless driver is installed from support.dell.com or by inserting the Dell ResourceCD. If you are installing from the CD, choose Windows XP>Network Drivers>Dell Wireless 1390/1490 Mini Card driver or the Intel 3945 Mini Card wireless driver .







SigmaTel Audio Driver You can check if the audio driver is installed by looking at Device Manager. Prior to installing the driver, Device Manager registers a generic PCI device entry. Installing the driver changes the entry, as shown below.

Install the SigmaTel audio driver from support.dell.com or by inserting the Dell ResourceCD. If you are installing from the CD, choose Windows XP>Audio Drivers>SigmaTel STAC 9200 .

MDC Modem Driver You can check if the MDC modem driver is installed by looking at Device Manager. You must install the audio driver before the modem driver for the modem to be detecte d correctly for installation. Prior to installing the driver, Device Manager registers a Modem Device on High Definition Audio Bus device entry. Installing the driver changes the entry, as shown below.

Install the MDC modem driver from support.dell.com or by inserting the Dell ResourceCD. If you are installing from the CD, choose Windows XP>Communications Applications>Conexant HDA D110 MDC.

Alps Touch Pad You can check if the touch pad driver is installed by looking at Device Manager. Prior to installing the driver, Device Manager registers a generic PS/2 device entry. Installing the driver changes the entry, as shown below.

Install the Alps touch pad driver from support.dell.com or by inserting the Dell ResourceCD. If you are installing from the CD, choose Windows XP>Input Drivers>Alps Touch Pad .

Bluetooth Driver and Stack The Dell Wireless 350 Bluetooth module functions as a basic Bluetooth device on this system without any additional software. However, to take advantage of the full features of the card, install the Bluetooth driver and stack. It updates all the devices and drivers that interface with the Dell 350 Bluetooth card and also provides a new software stack to improve the communications capabilities of the card.








This driver installation may take some time, even up to 5 minutes or more if a firmware upgrade takes place. Install the Bluetooth driver from support.dell.com or by inserting the Dell ResourceCD. If you are installing from the CD, choose Windows XP>Communications Applications>Dell 350 Blu etooth Module .

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM Windows XP This document is Dell Confidential




DRMK stands for Dell™ Real-Mode Kernel. Formerly called FreeDOS™, it is used on Dell's n Series systems. The n Series products are designed to meet the needs of customers who do not require a Microsoft® operating system license. Products branded n Series are identical in every hardware respect to the standard Dell™ systems that ship with a Microsoft operating system (e.g., OptiPlex™ GX260 / GX260n and Dell Precision™ 340 / 340n).

n Series systems are offered with the DRMK operating system dropped in the box. DRMK is not factory installed or supported by Dell. On these systems, n Series systems ship with a hard drive that includes a utility partition with the following files installed: io.sys , msdos.sys , and command.com . The customer also has the option to order an n Series system with no hard drive at all.

Dell Precision n Series systems with DRMK ship with a blank, unpartitioned hard drive. Dell Precision customers have the additional option of ordering n Series systems with Linux®.

Support Requirements For the n Series, Dell offers no support for any operating system. This includes no support for installing DRMK or any Microsoft OS a customer may have removed from another system, regardless of whether the operating system is OEM or retail. Dell does support the system hardware per its current support policy. A ResourceCD is included for diagnosing hardware issues.

The only support for the operating system is media replacement in the first 30 days after the system invoice date if the media is missing, damaged, or incorrect.

DRMK - n Series

Frequently Asked Questions

Q. How is a system identified as an n Series?A. The system has an n Series label (see sample above) affixed to the chassis in lieu of the "Designed for Windows" label. In DellServ and DPS, a lowercase n follows the system model number (e.g., GX260n, WS340n). Q. Is the system badge or BIOS identification diffe rent?A. No, the system badge, surrounding the power button, is identical on both the n Series and Microsoft OS systems. The BIOS identification is changed to a generic notation and is the same for both standard and n Series systems (e.g., GX260 SERIES, GX60 SERIES). Q. What if the customer wants software support?A. Dell offers no support for the operating system–not even installation. The system documentation includes a letter that discusses the n Series program and operating system support. Since n Series systems do not ship with any application software, these products are not supported. Q. Does the hard drive include a utility partition with diagnostics?A. On an OptiPlex n Series system, the hard drive includes a utility partition with the following files: io.sys , msdos.sys , and command.com . The partition does not include any diagnostics. A ResourceCD is included to run hardware diagnostics. Q. Does the system have a Certificate of Authentici ty label?A. n Series systems do not have a COA label. Q. What about device drivers?A. DRMK contains no drivers for devices such as CD-RW and DVD drives, modems, etc. Dell offers no support for installing or configuring device drivers for Linux. Q. Since n Series systems do not ship with device d rivers, can customers purchase n Series systems wit h DVD drives, CD-RW drives, or other peripherals?A. Customers can purchase an n Series system with any peripheral normally available on a standard system with a Microsoft OS. Q. Will all Dell OptiPlex and Dell Precision system s have an n Series?A. Currently, n Series includes the OptiPlex GX260n and Dell Precision 530n and 340n. OptiPlex GX60 and SX260 will also have an n Series when those systems launch. Eventually, all OptiPlex and Dell Precision systems will have an n Series option. There are also now n Series options for Dimension™, Inspiron™, and Latitude™.

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM DRMK - n Series This document is Dell Confidential




Starting in the fall of 2005, Dell began offering a software solution that helps recover stolen notebook systems. Computrace®, developed by Absolute Software, is a software as well as a BIOS solution that has been implemented on many of Dell's notebook computers.

Computrace Software

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM Computrace Software This document is Dell Confidential




Dell™ ETS stands for Dell Embassy® Trust Suite. This software package enhances the security features of the Latitude™ and mobile Dell Precision™ systems. It works in conjunction with the smart card reader, biometric reader, Trusted Platform Module (TPM), and the system password feature to provide a complete security offering.

Wave Systems developed this software package for Dell, and you may sometimes hear this referred to as the "Wave software package."

Dell ETS Software

NOTE: By default, TPM is disabled on this system from the factory.

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM Dell ETS Software This document is Dell Confidential




Modem Helper is a diagnostic utility designed to test the MDC modems in the Microsoft® Windows® environment. The program is easy to use and incorporates many modem FAQs.

The initial portion of the diagnostics checks the registry for installed modems. Next, it finds the INF file being used for the driver installation and verifies it was properly installed. Once this step is complete, Modem Helper checks if the associated COM port can be opened; if so, it tests the phone line for a dial tone. If it detects a dial tone, then the HTML screens instruct the customer to contact a Dell™ Remote Technician if connectivity problems are being experienced. If no dial tone is found, the HTML screens notify the customer to run Modem Helper and display a hyperlink to start the diagnostic.

Problems Addressed by Modem Helper

� No dial tone

� Driver installation problems

� Incorrect hardware

� Card seating problems

� Setup problems (wiring)

Installation This application is factory installed on the computer. If you reinstall the operating system, you must reinstall this utility as well.

Using Modem Helper To start the utility, click the Modem Helper icon on the desktop or point to Start>Programs>Modem Helper .

If the icon is not on the desktop or in Start>Programs>Modem Helper , you must install the utility.

Modem Helper

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM Modem Helper This document is Dell Confidential




Battery Charging Charge the battery while the system is off for faster charge times. You may notice longer charge times when the system is turned on and running graphics-intensive applications.

No POST If the system does not perform a Power-On Self-Test (POST), there are various things to look for:

1. Check that the system has a power light.

2. If the system has no power light, ensure it is plugged into AC power. Remove the battery.

3. If the system has power but is not performing a POST, check if the keyboard status lights flash to indicate a successful POST, but no video, or if the keyboard status lights are lit in a sequence indicating a system problem.

4. With the power off and the system unplugged, remove all CRUs from the system and reconnect the AC adapter to the system and try again.

5. Run the On Board Diagnostics (OBD).

Video If the LCD on the system shows no display or has other problems, here are some basic steps to take:

1. If the LCD is not displaying video or the video is garbled, run the BIST utility.

2. If the LCD is not displaying any video, connect an external monitor to eliminate a no-POST problem. A good image on the external monitor eliminates a video card problem or a POST problem.

3. Connect an external monitor when possible for all LCD-related problems to help eliminate a software or video card problem.

4. If the LCD has extremely dim video, adjust the brightness or connect an AC adapter to eliminate a power management conservation setting in the BIOS.

5. If the LCD has lines on the screen, check the system during POST as well as system setup to determine if the lines are present in all modes of operation. Run the BIST utility.

6. If the LCD has color problems, run the BIST utility.

7. If the LCD has burned-out pixels, verify the LCD is still within LCD standard guidelines.

8. Run the OBD.

BIOS If you have problems while using the computer, the issues may be related to BIOS settings configured incorrectly in System Setup. Check the System Setup pages to verify the settings on each page. Try resetting BIOS to default settings by pressing <Alt><F>.

Touch Pad and Keyboard

1. Attach an external mouse or keyboard to check for peripheral functionality.

2. Run the OBD.

Modem For modem problems, ensure the driver is installed and working properly. Also, ensure the phone line works. Perform an ATZ command in HyperTerminal™ to determine if the modem is responding.

Also, run Modem Helper.

General Troubleshooting




Integrated NIC

1. For network problems, first ensure the driver is installed and working properly.

2. Check that the LEDs are responding.

3. Check System Setup to make sure the NIC is enabled.

4. Run the Broadcom® Utility diagnostic to determine if there is a hardware failure.

Printed 2/22/2010 11:17:19 AM Latitude™ D620 For Dell Employees OnlyExpires 2/23/2010 11:17:19 AM General Troubleshooting This document is Dell Confidential




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