Dell PowerEdge R900 Technical manual

Information Update

Added Support for 8-GB Memory Modules

Your Dell™ PowerEdge™ R900 system now supports the following 8-GB memory

configurations:

• 32 GB — 4 x 8-GB quad-rank memory modules

• 64 GB — 8 x 8-GB quad-rank memory modules

NOTE: If 64 GB of memory is installed, the system will only recognize and display

63.75 GB during POST.

• 128 GB — 16 x 8-GB quad-rank memory modules

• 256 GB — 32 x 8-GB quad-rank memory modules

NOTE: Prior to upgrading your system, verify that the latest system BIOS version is on

your system. Loading the latest BIOS version from support.dell.com will ensure that

your system is fully supported.

NOTE: Some operating systems cannot support more than 4 GB of physical memory.

For more information on memory support requirements and restrictions, refer to the

operating system documentation that ships with your system.

BMC and DRAC5 Firmware Version Requirements

When upgrading either the BMC or the DRAC5, you must update the firmware

for both components to ensure full functionality and compatibility.

For example, the power reduction feature of the DRAC5 version 1.40 firmware

works only when BMC 2.27 or higher is also installed. If the BMC and DRAC

firmware are incompatible—BMC 2.27 installed with DRAC5 version 1.33 or

BMC 1.79 installed with DRAC5 version 1.40—the power reduction feature may

not function correctly.

September 2008

Back Cooling Fans

Systems manufactured after September 2008 no longer include the four back

cooling fans installed in earlier systems. Therefore, BMC version 2.27 does not

recognize the presence of back fans. The back fans will still run in older systems;

however, from a system perspective, the fans do not exist and are not monitored.

As a result, if the back fans fail, the SEL, server management software, and

remote access card will not log the error. This change does not compromise the

standard hot plug and redundancy features of the front fans.

New LCD Error Codes

The following LCD error codes have been added for your system. For a complete

list of error codes, see "About Your System" in your Hardware Owner’s Manual.

Table 1. LCD Status Messages

Code Test Causes Corrective Actions

EB107 Proc

Machine

Check Error

CPU detected an

unrecoverable hardware

error.

See error EB113 for

specific information on

what hardware failed.

EB113 PCIE Fatal

Error Slot

CPU detected an

unrecoverable hardware

error.

"XX" indicates the slot

associated with the failed

hardware. If you are unable

to resolve the issue, see

"Getting Help" in your

Hardware Owner’s Manual.

E1A18 PDB Ctrl

Cable

PDB control cable is

missing, loose, or faulty.

Reseat the cable. If

problem persists, replace

the cable. See "Getting

Help" in your Hardware

Owner’s Manual.

E1118 CPU Temp

Interface

Processor has exceeded

acceptable temperature

and has been disabled to

prevent damage.

See "Troubleshooting

System Cooling" in your

Hardware Owner’s Manual.

New SEL Sensor Messages

The following SEL sensor messages have been added to the systems

management software and remote access card software.

E1716 Chipset The BIOS has determined

that there is a problem

with the chipset, but is

unable to determine its

origin.

See "Getting Help" in your

Hardware Owner’s Manual.

E1717 IERR CPU is faulty. Applicable

only for BIOS 1.1.9 and

BMC 2.27 and later.

Either the CPU or system

board must be replaced. See

"Getting Help" in your

Hardware Owner’s Manual.

E1914 DRAC5 Conn

2 Cbl

DRAC5 cable is missing,

loose, or faulty.

Reseat the cable. If

problem persists, replace

the cable. See "Getting

Help" in your Hardware

Owner’s Manual.

E2122 Fatal Mem

Reset

System memory failed. See "Troubleshooting

System Memory" in your

Hardware Owner’s Manual.

I1915 Video Off Local video is disabled. Information only.

I1916 Video Off

in XX

Remote disabling of local

video currently in process.

Information only.

NOTE: For the full name of an abbreviation or acronym used in this table, see "Glossary"

in your Hardware Owner’s Manual.

Table 2. Sensor Message Definitions

Sensor Number Message Definition

0x26 PCIE Non Fatal

error

A non-fatal error occurred. The system

will continue to operate normally.

Table 1. LCD Status Messages (continued)

Code Test Causes Corrective Actions

System Board Replacement - Safeguarding

Encrypted Data

On systems using an operating system that supports the Trusted Platform

Module (TPM) and related encryption programs, you can use these features to

secure the contents of the hard drive(s).

If you are using the TPM with an encryption program, you may be prompted to

create a recovery key during system or program setup. Be sure to create and safely

store this recovery key. If you ever need to replace the system board, you must

supply the recovery key when you restart your system or program, before you can

access the encrypted data on your hard drive(s).

____________________

Information in this document is subject to change without notice.

Reproduction of these materials in any manner whatsoever without the written permission of Dell Inc. is

strictly forbidden.

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

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.

0x27 Generic Fatal

I/O Error

A fatal I/O error occurred. The system

will no longer respond.

0x28 Processor

Machine Check

Error

A processor error occurred. The system

will no longer respond.

NOTE: For the full name of an abbreviation or acronym used in this table, see

"Glossary" in your Hardware Owner’s Manual.

Table 2. Sensor Message Definitions (continued)

Sensor Number Message Definition

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