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
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