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
XX
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.
© 2007–2008 Dell Inc. All rights reserved. Printed in the U.S.A.
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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