A+ Guide to Managing and Maintaining Your PC

Fifth Edition

Chapter 10

Supporting I/O Devices

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Ports

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Using Ports and Expansion

Slots for Add-on DevicePorts

Serial

Parallel

USB

IEEE 1394

SCSI

Expansion slots

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Port Speeds

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Port Comparison

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SCSI Connectors

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External SCSI Terminator

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A Standard Parallel Port

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USB Ports

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Using USB Ports

Effortless installation of slow peripheral

devices

Much faster than regular serial ports; use

higher-quality cabling

Easier to manage; eliminate need to manually

resolve resource conflicts

Likely to replace serial and parallel ports

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Using USB Ports (continued)

Allow for hot-swapping; are hot-pluggable

Most current motherboards have one to four

USB ports

Managed by a USB host controller

As many as 127 USB devices can be daisy-

chained together using USB devices

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Requirements for Preparing to

Install a USB Device

Motherboard or expansion card that provides a

USB port

OS that supports USB

USB device

USB device driver

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Using IEEE 1394 Ports

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Installing an Expansion Card in

an Expansion Slot

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Using PCI Expansion Slots

(continued)

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Keyboards & Pointing Device

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Keyboard Connectors (continued)

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Keyboard Connectors

PS/2 connector (or mini-DIN)

Small, round, with six pins

DIN connector

Round with five pins

USB port

Wireless connection

Requires a driver

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A Keyboard Adapter

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Pointing Devices

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How a Mouse Connects

to the Computer

Dedicated round mouse port (motherboard

mouse or PS/2-compatible mouse)

Mouse bus card (bus mouse)

Serial port (serial mouse)

USB port

Y-connection with the keyboard

Cordless technology

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Video

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Flat Panel Monitors

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Choosing the Right Monitor

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Monitors

Monitors and ELF emissions

Flat panel monitors

Active-matrix

Dual-scan passive matrix

Installing dual monitors

Increases size of Windows desktop

You must choose to activate a second monitor

before it will be used by Windows

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AGP Bus

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Transferring Data with an

S-Video Cable

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Video Cards

Methods of data transfer

RGB video port

DVI port

Composite video

S-Video