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Systems and Technology Group
© 2006 IBM Corporation
Scott HartWW Product [email protected]
IBM System x3655 Business performance Server
2 IBM Confidential © 2006 IBM Corporation
IBM Systems
The IBM System x and BladeCenter Opteron Portfolio is unique
Partnership: IBM and AMD partner on technology innovation to deliver new value
Portfolio: The new IBM System x and BladeCenter portfolio
Performance Computing: Optimized portfolio for High Performance and Business Performance Computing
Product Innovation: Exclusive customer value
PowerExecutive™: Optimize power and cooling in the Datacenter
3 IBM Confidential © 2006 IBM Corporation
IBM Systems
IBM’s partnership with AMD
e325
LS20
•Agreements on design technology
•IBM agreements on process technology
•SWG
•Solutions
The broad and unique IBM and AMD relationship yields true industry innovation
4 IBM Confidential © 2006 IBM Corporation
IBM Systems
High Performance Computing (HPC)
FP PerformanceMemory Throughput
ResearchModeling
SimulationGrowing
Business Performance
Computing (BPC)
Business Applications
AvailabilityScalability
ManageabilityFlexibility
RedundancyReliability
Business IntelligenceSupply ChainDigital Media
Database
Large&
StableInfrastructure Applications
The Emergence of Business Performance Computing
Features Applications Market Size
HPC apps move into mainstream, and business applications require more performance to meet customer demands
5 IBM Confidential © 2006 IBM Corporation
IBM Systems
High Performance Computing (HPC)
Business Performance
Computing (BPC)
Business Applications
Infrastructure Applications
SecuritySecurity
Email / Collaboration
Email / Collaboration
Virtualization / SCON
Virtualization / SCON
DBDB Hosted Client
Hosted Client
Business Continuity
Business Continuity
ERPERP
Web ServingWeb Serving
Digital Media
Digital Media
Branch Office
Branch Office
Grid Computing
Grid ComputingFile & PrintFile & Print
Modeling &
Simulation
Modeling &
Simulation
Cluster / HPCCluster / HPC
Business Intel.
Business Intel.
Companies are increasingly applying High Performance Computing capabilities throughout their businesses applications
Business Performance Computing Applications
High Perform
DB
High Perform
DB
CMSCMS
6 IBM Confidential © 2006 IBM Corporation
IBM Systems
Customer require more than performance—they require Business Advantage
Industry Standard
Performance Reliability & Control
Customer Required
x86 cost structure
Standard OS
Open ISV model
Interoperability
CPU intensive
Fast Memory access
Large Memory
Intense I/O
Business critical uptime
Remote datacenter management
Power/cooling control
High Performance Business Performance
7 IBM Confidential © 2006 IBM Corporation
IBM Systems
x3650x3650
x3550x3550
x3850x3850
IBM System x and BladeCenter have the right mix portfolio to meet application and customer demands
e326e326
x3655x3655
x3455x3455
x3755x3755
2 Socket Racks 4 Socket Racks 2-4 Socket Blades
A System x and BladeCenter product line from HPC to Infrastructure
High Performance Computing (HPC)
Business Performance
Computing (BPC)
Business Applications
Infrastructure Applications
LS20LS20
HS21HS21
JS21JS21
HS20 ULP
HS20 ULP
LS41LS41
LS21LS21
8 IBM Confidential © 2006 IBM Corporation
IBM Systems
System x
x34551U 2U 4U
x3655 x3755
LS417ULS21
High Performance Compute Node
Business Performance
Server
Ultra HPC Performance
Compute Node
BladeCenter
PowerExecutive™: Power Management at Your Control
2-socket High Performance Computing
Scalable 4-socket Performance Computing
Fastest, leanest compute node on the planet
Ideally suited for HPC clusters, Linux or MSFT
Perfect mix of IBM mainframe inspired reliability and application performance
Leadership I/O and large memory capacity
Unmatched price/performance and leadership design
Maximum configurable I/O slots
Fastest, largest memory capacity
Outstanding performance/watt for HPC and scalable enterprise workloads
Innovative “snap-in” scalable design allows “pay as you grow” flexibility
Compatible with existing and future chassis
Confidently Gain Competitive Advantage Industry-leading Performance, Reliability and Control
IBM Systems & Technology Group
© 2006 IBM Corporation9
IBM System x3655Business Performance Server
Perfect mix of IBM mainframe-inspired reliability and application performance
– IBM eXtended I/O™ allows breadth and flexibility with I/O and systems management
– IBM PowerExecutive™ and Predictive Failure Analysis™ ensure confidence in your critical business data
Target Applications Web serving Business intelligence IPTV, Video on Demand Security
10
IBM System x3655
© 2006 IBM Corporation
Introducing the IBM System x3655: The reliability and performance your business demands
Customer Advantage Effective power management, systems management,
deployment and service allows you to save time and money
Maximize resilience and business performance for enterprise applications that are memory intense
Leadership Features & Functions 16 DIMMs, 64GB max memory, DDR II Choose among three I/O slots adaptors for your 4th slot—
IBM eXtended I/O Greater performance with Opteron dual core processors Monitor power consumption with PowerExecutive™ Suitable for some 4-way workloads like database Great for scale-out virtualization (consolidation and
VMware) webserving and business intelligence
ApplicationsWeb / Application
ServerDistributed databasesVirtualizationBusiness Intelligence
Am
plif
y
Op
tim
ize
Ch
oo
se
tended Design Architecture
11
IBM System x3655
© 2006 IBM Corporation
Optimize (Get more out of your computing resources)► Choose among 95 or 68 watt dual core AMD processors ► Scale up to 64GB of low wattage DDR2 memory at a cheaper price point► Measure and plan for optimal power supply and cooling with Power Executive► Maximize performance with TOE standard► Choose among 2.5” SAS models, or 3.5” SAS/SATA
Manage (Manage your resources and your business)► Achieve flexibility with IBM eXtended I/O; choice of PCI-E, PCI-X or HTx adapter cards
Preserve your I/O capacity with slotless RAID and slotless RSA II► Advanced Connectivity Technology (ACT) allows customers to "chain" servers together► Ships with IBM Director to make systems management simple, yet comprehensive► Drop down light path diagnostics panel for improved in-rack manageability and easy problem identification► Integrated Systems Management processor for improved manageability and uptime► Facilitate management with remote KVM and IPMI 2.0 standards► Hot swap HDDs allow easy servicing and less down time
Protect (Protect your data, and protect your investment)► Rely on a trusted provider, a long-term platform, and the investment protection for technologies like quad core processing► Optional RSA II SlimLine system management card – No PCI slot used ► Redundant components like power and cooling to ensure system continuity► Proctect your data with an array of RAID options, Tape and Go Vault, and trusted platoform module
X3655 delivers tended Design Architecture
tended Design Architecture
Systems and Technology Group
© 2006 IBM Corporation
x3655 Technical Features for customer advantage
13
IBM System x3655
© 2006 IBM Corporation
x3655 snapshot features Mechanical 2U
MemoryDDR2 667 / 16 DIMM / 64 GB maximumOnline hot-sparing (for 1GB DIMM or greater) and chipkill
Processors AMD Opteron dual core
Gigabit Ethernet Integrated Dual Gigabit Ethernet with TOE
System Management Vulture Integrated BMC; RSA II SlimLine option
PCI SlotsStandard: 2 PCI-E x 8 (Low Profile) and 1 PCI-E x 4 (Low Profile); Optional; (Full Height / Full Length) 1 HTX Riser, 1 PCI-X 133 MHz or 1 PCI-E x16 Riser
Internal Tape Support Support for “Go Vault” and DDS tape
Hard disk drives 8x2.5” H/S SAS HDDs, or 6x3.5” H/S SAS/SATA HDD
Standard RAIDIntegrated RAID 0, 1, (Aurora + Key Largo) StdRAID 5 (Aurora + Key Biscayne) Option
USB and video2 USB (Front) / 4 USB (Rear), 1 Video (Front) / 1 Video (Rear) (no PS/2 ports)
Power Hot-swap/redundant power supplies (835w)
CoolingHot-swap/redundant fans (5 fans with single power supply, 10 with dual)
IBM Confidential
14
IBM System x3655
© 2006 IBM Corporation
x3655 features ease of management and flexibility
Two low profile x8 PCIE
One low profile x4 PCIE
Full length/height
x16 PCIE or PCI-X
Or HTX
Hot swap redundant 835W power supplies
5 fans (non-redundant) 10 fans (redundant)
Pull out LightPath
Two USB and video out
UBE CD-RW/DVD-ROM
•Width = 443.6 mm (17.465" ) (std. 19" rack)
•Height = 85.4 mm (3.362" ) (2U)
•Depth = 698 mm (27.48" ) including bezel, [680 mm ( 26.772" ) without bezel]
Calibrated Vector Cooling
Hotswap HDDs
External SAS
Slotless RAID and RSAII
15
IBM System x3655
© 2006 IBM Corporation
Up to 6 3.5" HDD's (SAS: 1.8TB max) (SATA: 3TB max)
Up to 4 3.5" SAS/SATA HDD's and tape
Up to 8 2.5" HDD's and tape (SAS: 584 MB)
Choose internal storage: tape, SAS, SATA for maximum capacity and flexibility
16
IBM System x3655
© 2006 IBM Corporation
Expand and protect your data
Standard/Option
Description Function Part #
Standard Onboard SAS controller and ServeRAID-8kl RAID
Integrated Mirroring and Striping (RAID 0,1,10)No cache, No battery
STD
Option ServeRAID-8kROMB
Int/Ext Full ServeRAID (0,1,5,10, 6,)256MB DDR2 memory DIMMBattery Back Up
25R8064
Option IBM SAS HBA ControllerPCI-E
Int/Ext SAS/SATA Tape (Go Vault)Pass-through to DS4000
25R8060
Whether you're protecting your storage network, enterprise databases or application network, the ServeRAID family of SAS and SATA Controllers deliver the benefits to fit your requirements.
17 IBM Confidential © 2006 IBM Corporation
IBM Systems
PowerExecutiveTM : Proactive Management and ControlOptimize and manage datacenter power and cooling!
►Intelligence and control to manage datacenter server power utilization
►Combination of: Hardware, system logic, and group management tools
Take the guess work out of datacenter power management
►Actual power draw! Not conservative “label/spec power” estimates
More accurate data center planning helps maximize datacenter performance
►Power control capability insures datacenter robustness within fixed power envelope (2H 2006)
18 IBM Confidential © 2006 IBM Corporation
IBM Systems
PowerExecutive™ in Action
Manage power at rack level
Track heat emitted
Compare rack actual power vs. label power
Trend power use over time
Compare actual vs. nameplate power at system level
Innovation That Matters
© 2006 IBM Corporation19
Why Power Management today?"If performance per watt is to remain constant over the next few years, power costs could easily overtake hardware costs, possibly by a large margin,"
- Luiz Andre Barroso, Google
“In the last three years the amount of power drain has increased by tenfold” - IBM Research
“… power will be the number one issue for most large company IT executives to address in the next 2-4 years. Ignoring this issue will NOT be an option. Power consideration must be incorporated into data center planning. This includes close cooperation with facilities management, intelligent reduction of unneeded applications, systems, and infrastructure, and re-evaluating system design with an emphasis on power efficiency as a fundamental design criterion"
- Robert Francis Group
Real power and cooling solutions are addressed via a combination of hardware, software, and processors - - IBM is uniquely positioned to win the argument
Innovation That Matters
© 2006 IBM Corporation20
PowerExecutivetm Benefits for System x3655
Intelligence to control and manage datacenter server power utilization
– Hardware, embedded management logic – Help solve your customers’ biggest problem today
More accurate data center planning:– Actual power draw instead of conservative
“label/spec power” estimates
In PE v2.0 – Cap Actual Power Consumption
– Match the power/thermal limits of the datacenter– Allocate power where needed
Features IBM HP Dell Benefits
Report Actual Power Draw
Available NowYes NO NO
No more datacenter budgeting assumptions
Power Capping
Available ~4Q06
Yes NO NOSystem level power cost savings
User Defined
Power Capping
Available ~4Q06
Yes NO NO
Customer control of datacenter power costs
CPU Power Management
Available ~1Q07
Yes NO NO
Platform level power cost savings
All statements regarding IBM's future direction and intent are subject to change or withdrawal without notice, and represent goals and objectives only.
IBM Systems21
DDR2 Registered DIMM
FB-DIMM
Less ExpensiveFewer wattsTech Features:
Shared bi-directional busAddress & command are shared simplex
X3655:64GB; 16 DIMMs0-4 DIMMs @ 677 MHz4-6 DIMMs @ 553 MHz
AMB
x3655 uses 64GB of DDRII memory for lower cost and power requirements
IBM Systems22
x3655 features TOE (TCP/IP offload engine) standard to boost performance
CPUCPUCPUCPUCPUCPUCPUCPU
LANLAN
Mem
ory
Mem
ory
ChipsetChipsetChipsetChipset
LANLAN
1.
2.
3.
4.1. Packet received by NIC and DMAed to
driver/kernel memory space
2. Network controller interrupts CPU to signal arrival of packet
3. CPU processes TCP/IP headers
4. Data is copied from kernel memory space to user memory space by the CPU
Potential bottlenecks
1) Code processing
2) Memory Copying
Architecture: Standard NIC
IBM Systems23
Network Architecture TOE for performance
CPUCPUCPUCPUCPUCPUCPUCPU
TOETOE
Mem
ory
Mem
ory
ChipsetChipsetChipsetChipset
TOETOE1.
3.
2.
1. Packet received by TOE and processes TCP/IP headers
2. Data is DMAed to user memory space directly.
3. Network controller interrupts CPU to signal arrival of packet.
Benefit
• No code processing
• No data copying
Architecture: TOE
24
IBM System X3655
© 2006 IBM Corporation
I/O HubI/O HubUSBUSB
PCIPCI
PCI-E Bridge
PCI-E Bridge
PCI-E Bridge
PCI-E Bridge
x3655 uses AMD Opteron processors for compelling performance in business performance computing
SRQ
Crossbar
HTMem.Ctrlr
SRQ
Crossbar
HTMem.Ctrlr
8 GB/S
8 GB/S 8 GB/S
8 GB/S
NativeDual-Core
NativeDual-CoreAMD64 Technology with
Direct Connect Architecture• Industry-standard AMD64 technology• AMD’s revolutionary Direct Connect
Architecture eliminates bottlenecks inherent in traditional FSB architectures
• HyperTransport™ technology interconnect for high bandwidth and low latency
25
IBM System X3655
© 2006 IBM Corporation
X3655 features dual-core processors for customer advantage Improved system efficiency and application performance
for computers running multiple applications, including consumer, commercial desktop and mobile systems and multi-purpose servers
Enhanced performance for multi-threaded applications
Support for more users or tasks for transaction intensive applications such as Web and application servers
Outstanding performance for compute-intensive applications such as financial analysis and scientific simulations
Reduced infrastructure requirements while eliminating heat and wattage penalties
26
IBM System X3655
© 2006 IBM Corporation
x3655 management hardware gives customers control
X3655BMC
OptionalRSA II/MM
IPMI 1.5 Compliant
Environmental monitors
Drive System LED’s (No LightPath)
Power Control
Serial over LAN (SOL)
IPMI 2.0 Compliant
Embedded command line interface (CLI)
Drives LightPath
Web Interface
Remote PresenceKeyboard, Mouse, Video, and Disks
Directory Integration (LDAP)
Advanced Security
RSAII Acts as a “computer within the computer”
► Monitors the health of the server
► Provides alerts if problems occur
► Helps to remotely troubleshoot and resolve problems
► Allows remote access to keyboard, video, mouse, and disks
The RSA II can detect problems before they occur using Predictive Failure Alerts
IBM leads the industry, providing the widest Users can customize the monitoring and alerting to their needs
27
IBM System X3655
© 2006 IBM Corporation
x3655 features RAS:
Hot sparing allows you to set aside one Rank of your memory (per processor) to use if the machine determines a Rank has gone bad (constant ECC errors, etc).
3/3 Year Warranty 24-hour Support Center Power-on Self Test (POST): The
computer checks itself out as it starts to boot. It looks for voltages being good, initializes buses, checks for invalid configs, initializes the memory array, looks for and initializes the SAS array, tries to get all on board subsystems up and working (Video, USB, SAS, slots)
ROM Resident Diagnostics: We keep PCDoctor resident in the ROM. Our 'BIOS' EEPROM has 4 basic sectors, 1 for the boot block, one for the backup boot block, and 2 for DIAG's.
Customer upgrade of Flash ROM-resident code and diagnostics: We have the ability, with the service processor, to send out micro code and firmware updates to the systems to be upgraded in the field.
Integrated BMC Subsystem System error Logging: System events
of all kinds are logged for viewing either by the BMC or the SP. Everything from Power events (On/Off), to failing parts is kept in a log.
x3655 has Reliability, Availability, and Serviceability you can count on
28
IBM System X3655
© 2006 IBM Corporation
x3655 features RAS:
Automatic Server Restart: Watchdog timer in the BMC, which will monitor the 'health' of a system and perform a reboot, with the backup boot block
PFA on memory, CPU, SCSI Hard drives , fans, VRM, and power supplies
Memory ECC/Parity Test:, BIOS initializes memory and ECC and then it is always on/working. Correctable errors are logged and decisions are made on a course of action when thresholds are hit.
CPU/VRM Failure Identification through lightpath diagnostic
Hot swap hard disk drives; redundant and hot swap Power Supply
Diagnostic Support of ServeRAID Adapters and Ethernet adaptors: Sys diagnostics send alerts to administrator
Redundant Network Interface card (NIC) supportfailover function, such that if a port fails, traffic moves over to a different port.
Positive FRU identification (Lightpath LEDs) for bad memory DIMM, Processor, DASD, power supply , fans, PCIE slots, and Riser Card: We support Level 3 Light path, which means when you open the covers, an LED will be lit for the failing FRU.
x3655 has Reliability, Availability, and Serviceability you can count on, cont…
29
IBM System X3655
© 2006 IBM Corporation
Operating System Options
1. Windows Server 2003 64-bit (Std, Ent – Preload) (Web; R2 Std and Ent –)
2. Windows Server 2003 32-bit (Std, Ent – Preload) (Web; R2 Std and Ent –)
3. Red Hat EL 4 64-bit (AS, ES, WS)
4. SLES ES 9 64-bit
5. Red Hat EL 3 64-bit (AS, ES, WS)
1.VMware ESX Server 3.0
2.SLES 10x86_64
SLES 10x86
VMware ESX Server 2.5.4
Avail @ GA Avail @ GA GA +60 days
1. Red Hat EL 3 32-bit (AS, ES, WS)
2. SLES ES 9 32-bit
3. Red Hat EL 4 32-bit (AS, ES, WS)
4. Windows SMB 2003
30
IBM System X3655
© 2006 IBM Corporation
x3655 Key Options
41Y2759 1GB Kit (2x 512MB DIMM) PC2-5300 CL5 ECC DDR2 SDRAM LP RDIMM41Y2762 2GB Kit (2x 1GB DIMM) PC2-5300 CL5 ECC DDR2 SDRAM LP RDIMM41Y2765 4GB Kit (2x 2GB DIMM) PC2-5300 CL5 ECC DDR2 SDRAM LP RDIMM41Y2768 8GB Kit (2x 4GB DIMM) PC2-5300 CL5 ECC DDR2 SDRAM LP RDIMM
INTERNAL ONLY
25R8938 Dual Core Opteron (TM) Processor Model 2210 1.8 GHz25R8939 Dual Core Opteron (TM) Processor Model 2212 2.0GHz25R8940 Dual Core Opteron (TM) Processor Model 2216 2.4 GHz25R8943 Dual Core Opteron (TM) Processor Model 2218 2.6GHz
40K1039 73GB 10K 3.5" SAS Hot-Swap HDD40K1040 146GB 10K 3.5" SAS Hot-Swap HDD40K1041 300GB 10K 3.5" SAS Hot-Swap HDD40K1042 36GB 15K 3.5" SAS Hot-Swap HDD40K1043 73GB 15K 3.5" SAS Hot-Swap HDD40K1044 146GB 15K 3.5" SAS Hot-Swap HDD40K1051 36GB 10K SAS SFF HS40K1052 73GB 10K SAS SFF HS39M4518 80GB 7200 RPM Hot Swap SATA HDD39M4522 160GB 7200 RPM Hot Swap SATA HDD39M4526 250GB 7200 RPM Hot Swap SATA HDD39M4530 500GB 7200 RPM 3.0 GB/sec Hot-Swap SATA
39Y9566 Remote Supervisor Adapter II Slimline Refresh 1
25R0006 IBM 80GB GoVault25R0045 IBM 160/320GB VXA3 Tape Drive
40K7303 HTx Riser for IBM System 365540K7427 PCI-X 133MHz (FH/FL) Riser for IBM System 365540K7428 PCI-E x16 (FH/FL) Riser for IBM System 3655
40K1905 835W Redundant Power Supply (US)40K1906 835W Redundant Power Supply (ROW)
31 IBM Confidential © 2006 IBM Corporation
IBM Systems
Thank You
Merci
謝謝Danke
σας ευχαριστούμε
Grazie
ありがとうВы
너를 감사하십시요Obrigado
Gracias
For more information, please visit:
http://www.ibm.com/systems/x/
Innovation That Matters
© 2006 IBM Corporation32
IBM Sales Contacts AMERICAS Shawn Walsh [email protected] Americas Brand Launch
Manager
Walter Merrill [email protected] Americas High End/Blades Sales
Donn Shoultz [email protected] Americas High Volume/PWS Sales
Kathy Henrich [email protected] Central BUE
Pamela A. Thompson Lee
[email protected] West BUE
Tim Bick [email protected] Southeast BUE
Rosa Alaia [email protected] Northeast Sales Ops Manager
Sergio P. Pereira [email protected] South (Latin America) BUE
Steve Henderson [email protected] North (Canada) BUE
NE EUROPE Rick Maltby [email protected] NE Brand Sales Leader
Jans Heitmann [email protected] CEMAAS BUE
Bernd Schierholz [email protected] Germany BUE
Peter Lindborg Peter Lindborg/Sweden/IBM@IBMSE Nordic Sales Manager
Jacqueline Davey [email protected] UKISA Sales Director
SW EUROPE Steve Edwards [email protected] SW Sales Leader
Francis Werquin [email protected] Benelux BUE
Laure Daniel [email protected] France Sales Director
Bruno Mancuso [email protected] Italy Sales Manager
Fernando Velaz de Medrano
Fernando Velaz De Medrano/Spain/IBM@IBMES
ASIA PACIFIC Sanjeev Magotra [email protected] AP South Sales Leader
Dan Sun [email protected] China BUE
Savio HF Ng [email protected] Hong Kong Sales Manager
Davis WK Yang [email protected] Taiwan Sales Manager
Gerard WS Lim [email protected] ASEAN Sales Manager
Viswanath Ramaswamy
[email protected] India Sales Manager
John Boyd [email protected] AP North Sales Leader
Angela Fox [email protected] ANZ BUE
Kyunbong Lee [email protected] Korea Sales Manager
Nobuyuki Imai [email protected] Japan Sales Leader
Innovation That Matters
© 2006 IBM Corporation33
IBM, System x and Xtended Design Architecture are trademarks of the International Business Machines Corporation in the United States and/or other countries. For a complete list of IBM Trademarks, see www.ibm.com/legal/copytrade.shtml.
All other products may be trademarks or registered trademarks of their respective companies.
(c) 2005 International Business Machines Corporation. All rights reserved.
Performance is in Internal Throughput Rate (ITR) ratio based on measurements and projections using standard IBM benchmarks in a controlled environment. The actual throughput that any user will experience will vary depending upon considerations such as the amount of multiprogramming in the user's job stream, the I/O configuration, the storage configuration, and the workload processed. Therefore, no assurance can be given that an individual user will achieve throughput improvements equivalent to the performance ratios stated here.
IBM hardware products are manufactured from new parts, or new and serviceable used parts. Regardless, our warranty terms apply. For a copy of applicable product warranties, write to: Warranty Information, P.O. Box 12195, RTP, NC 27709, Attn: Dept. JDJA/B203. IBM makes no representation or warranty regarding third-party products or services including those designated as ServerProven or ClusterProven.
All customer examples cited or described in this presentation are presented as illustrations of the manner in which some customers have used IBM products and the results they may have achieved. Actual environmental costs and performance characteristics will vary depending on individual customer configurations and conditions.
This publication was produced in the United States. IBM may not offer the products, services or features discussed in this document in other countries, and the information may be subject to change without notice. Consult your local IBM business contact for information on the product or services available in your area.
All statements regarding IBM's future direction and intent are subject to change or withdrawal without notice, and represent goals and objectives only.
Information about non-IBM products is obtained from the manufacturers of those products or their published announcements. IBM has not tested those products and cannot confirm the performance, compatibility, or any other claims related to non-IBM products. Questions on the capabilities of non-IBM products should be addressed to the suppliers of those products.
MB, GB, and TB = 1,000,000, 1,000,000,000 and 1,000,000,000,000 bytes, respectively, when referring to storage capacity. Accessible capacity is less; up to 3GB is used in service partition. Actual storage capacity will vary based upon many factors and may be less than stated. Some numbers given for storage capacities give capacity in native mode followed by capacity using data compression technology. Maximum internal hard disk and memory capacities may require the replacement of any standard hard drives and/or memory and the population of all hard disk bays and memory slots with the largest currently supported drives available.
The information could include technical inaccuracies or typographical errors. Changes are periodically made to the information herein; these changes will be incorporated in new editions of the publication. IBM may make improvements and/or changes in the product(s) and/or the program(s) described in this publication at any time without notice.