Dell PowerEdge R905 Manuale tecnico

Information Update

信息更新

Mise à jour des informations

Aktuelle Informationen

アップデート情報

정보 갱신본

Actualización de información

Information Update

Notes, Notices, and Cautions

NOTE: A NOTE indicates important information that helps you make better use

of your computer.

NOTICE: A NOTICE indicates either potential damage to hardware or loss of data

and tells you how to avoid the problem.

CAUTION: A CAUTION indicates a potential for property damage, personal injury,

or death.

___________________

Information in this document is subject to change without notice.

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

Trademarks used in this text: Dell, the DELL logo, and PowerEdge are trademarks of Dell Inc.;

Microsoft, Windows, and Windows Server are either trademarks or registered trademarks of

Microsoft Corporation in the United States and/or other countries; AMD, AMD Opteron, and AMD

PowerNow! are trademarks of Advanced Micro Devices, Inc.; Red Hat and Red Hat Enterprise Linux

are registered trademarks of Red Hat, Inc.; Novell and SUSE are registered trademarks of Novell Inc.

in the United States and other countries.

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 Inc. disclaims any proprietary interest in trademarks and

trade names other than its own.

March 2008 P/N HX598 Rev. A01

Contents 3

Contents

Memory Module Support . . . . . . . . . . . . . . . . . 5

800-MHz Memory Modules. . . . . . . . . . . . . . 5

8-GB Memory Modules . . . . . . . . . . . . . . . . 5

System Setup Program Updates . . . . . . . . . . . . . . 5

Replacing the Processor Expansion

Module Board . . . . . . . . . . . . . . . . . . . . . . . 6

Operating System Installation Updates . . . . . . . . . . 6

Installing Windows Server 2003 SP1 . . . . . . . . . 6

Installing Novell SLES9 . . . . . . . . . . . . . . . . 6

Installing PERC6i Drivers . . . . . . . . . . . . . . . 6

RHEL Operating System Updates . . . . . . . . . . . . . 7

RHEL Version 4.5 (x86_64) - Support Restrictions

For AMD Opteron Quad-Core Processors

(Family 10h) . . . . . . . . . . . . . . . . . . . . . . 7

RHEL Versions 4 and 5 (x86_64) - System Hangs

While Booting. . . . . . . . . . . . . . . . . . . . . 7

SLES9 SP4 Boot Issues With AMD Opteron

Quad-Core Processors (Family 10h) . . . . . . . . . . . . 7

AMD PowerNow! Feature Not Supported on Opteron

Dual-Core Processors (Family 0Fh) . . . . . . . . . . . . 8

4Contents

External USB Diskette Drive Behavior

During System Startup . . . . . . . . . . . . . . . . . . . 8

Trusted Platform Module (TPM) Update . . . . . . . . . . 8

System Power Cable Requirements . . . . . . . . . . . . 8

System Board Replacement – Safeguarding

Encrypted Data . . . . . . . . . . . . . . . . . . . . . . . 9

System Messages Update . . . . . . . . . . . . . . . . . 9

Troubleshooting an SD+ Card or

Internal USB Key . . . . . . . . . . . . . . . . . . . . . 10

Information Update 5

Information Update

This document provides updated information for your system.

Memory Module Support

800-MHz Memory Modules

800-MHz memory modules are not supported at this time. If installed, the

system will down-clock the memory modules to either 667 MHz or 533 MHz,

depending on the processor installed:

•For

AMD™ Opteron™ quad-core processors (Family 10h)

, the 800-MHz

memory modules will be down-clocked to 667 MHz if four or fewer

memory modules are installed per processor. If more than four memory

modules are installed per processor, the memory modules will be

down-clocked to 533 MHz.

•For

AMD Opteron dual-core processors (Family 0Fh)

, the 800-MHz

memory modules will be down-clocked to 667 MHz.

Support for configurations of up to four 800-MHz memory modules per

processor will be added at a future date. At that time, an updated BIOS

adding this support will be available for download from support.dell.com.

8-GB Memory Modules

8-GB memory modules are not supported at this time. Support for 8-GB

memory modules will be added at a future date. At that time, an updated BIOS

adding this support will be available for download from support.dell.com.

System Setup Program Updates

The following items update "Using the System Setup Program" in your

Hardware Owner’s Manual:

• The

Low Power Mode

option on the

Memory Information Screen

is not supported at this time.

•Onthe

CPU Information screen

, the default setting for the

Demand-Based Power Management

option is

Enabled

. (This option is

not available if AMD dual-core processors (Family 0Fh) are installed.)

6Information Update

•Inthe

Processor

field, the processor name, model number, number

of cores, and the amount of level 2 and level 3 cache are displayed.

•Onthe

Integrated Devices

screen, a new

High Precision Event Timer

(

HPET)

option has been added. This option should not need to be

changed from the default value,

Enabled

, unless you encounter issues.

Replacing the Processor Expansion

Module Board

In the section in your Hardware Owner’s Manual titled "Replacing the Processor

Expansion Module," refer to Figure 3-37 if you perform this procedure.

Operating System Installation Updates

Installing Windows Server 2003 SP1

If you install Microsoft®Windows Server®2003 SP1 in a system with more

than 6 GB of system memory, you may experience issues with the system’s

USB ports during the installation process. For more information, see

http://support.microsoft.com/kb/923695.

If this behavior occurs, reduce system memory to less than 6 GB prior

to installing SP1, or install Windows Server 2003 SP2 or later.

Installing Novell SLES9

Versions of Novell®SUSE®Linux Enterprise Server 9 (SLES9) up to and

including SP3 do not support internal SATA drives, including your system’s

optional internal SATA optical drive. To install these versions of Novell SLES9,

use an external USB optical drive to install the operating system and drivers.

Installing PERC6i Drivers

The Windows Server 2003 and Linux operating systems do not include

drivers for the PERC6i storage controller. If you install these operating

systems, use the driver provided with the controller, or download the driver

from support.dell.com. Use an external USB diskette drive or a USB flash

drive to install the driver. (You can download a USB flash drive format utility

for Windows Server 2003 from the "System Utilities" section on

support.dell.com.)

Information Update 7

RHEL Operating System Updates

RHEL Version 4.5 (x86_64) - Support Restrictions for AMD Opteron

Quad-Core Processors (Family 10h)

Red Hat®Enterprise Linux®(RHEL) version 4.5 (x86_64) does not support

AMD Opteron quad-core processors Family 10h. For more information,

see http://kbase.redhat.com/faq/FAQ_85_11697.

To avoid potential machine check errors, use RHEL version 5, RHEL version

4.6, or RHEL version 4.5 errata kernel-2.6.9-55-0.12.

RHEL Versions 4 and 5 (x86_64) - System Hangs While Booting

A bug in the APIC initialization code in RHEL version 4 and version 5

(x86_64) could cause your system to hang while booting. If the NMI

watchdog is enabled, the kernel can wait too long for the HPET, resulting

in a system hang. Otherwise, very long boot-up delays can occur.

As a workaround, pass the parameter nohpet to the kernel command line

at system boot, or enter the System Setup program and disable the

High Precision Event Timer (HPET) option on the Integrated Devices screen.

A fix for this issue will be included in RHEL version 5.2.

SLES9 SP4 Boot Issues With AMD Opteron

Quad-Core Processors (Family 10h)

Novell SLES9 SP4 may fail to load on systems configured with quad-core

processors and more than 4-GB of RAM memory. A future maintenance

update from Novell will correct this issue. Currently, you can bypass the issue

by using one of the following methods:

• In the System Setup program, enable the

Node Interleaving

option

on the

Memory Information

screen.

• In the operating system boot parameter file, set the memory parameter

to a value less than 4-GB (for example, 3900m).

See the operating system documentation if you need more information.

8Information Update

AMD PowerNow!™ Feature Not Supported

on Opteron Dual-Core Processors (Family 0Fh)

Due to an incompatibility issue between Opteron dual-core processors

(Family 0Fh) and the system chipset, failures of processor power transitions

can occur if the AMD PowerNow! feature is enabled.

Consequently, the PowerNow! feature is not available with these processors,

and the Demand-Based Power Management option is not displayed in the

System Setup program.

NOTE: The PowerNow! feature may be used with Opteron quad-core (Family 10h)

processors.

External USB Diskette Drive Behavior During

System Startup

Certain models of external USB diskette drives may not be recognized by the

operating system during system startup. If this problem occurs, unplug and

reinsert the drive cable to prompt the operating system to recognize the drive.

Trusted Platform Module (TPM) Update

Systems shipping in China are not equipped with TPM. Disregard any TPM

options listed in the "Using the System Setup Program" chapter of your

Hardware Owner’s Manual.

System Power Cable Requirements

If you purchased your system without a power cable, you must provide

a power cable approved for use in your country. that meets or exceeds

the voltage requirements of your system and is rated for 10A or more.

NOTICE: Do not use a power cable with a current rating of less than 10A.

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