Dell POWEREDGE 1950 - Manual (Page 9)

Information Update
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5 Replace the memory cooling shroud.
6 Close the system. See "Closing the System" in the Hardware Owner’s
Manual.
7 Reconnect the system to power and restart the system.
8 Enter the System Setup program and verify that the USB key has been
detected by the system. See "Using the System Setup Program" in the
Hardware Owner’s Manual.
Support for 8-GB Memory Modules –
PowerEdge 1950 III Systems
PowerEdge 1950 III systems have added support for the following approved
8-GB memory configurations:
• 64 GB — 8 x 8-GB quad-rank memory modules
• 48 GB — 4 x 8-GB quad-rank and 4 x 4-GB dual-rank memory modules
If 64 GB of memory is installed, the system only recognizes and displays
63.75 GB during POST.
NOTE:
Prior to upgrading your system, verify that the latest system BIOS version is on your
system. Loading the latest BIOS version ensures 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.
Processor Upgrades – PowerEdge 1950 II
and PowerEdge 1950 III Systems
• If the front of your system chassis is labeled with a "II," your system is
upgradeable to the 5100 series of dual-core Intel Xeon processors and
the 5300 series of quad-core Intel Xeon processors.
• If the front of your system chassis is labeled with a "III," your system is
upgradeable to the 5100 and 5200 series of dual-core Intel Xeon processors
and the 5300 and 5400 series of quad-core Intel Xeon processors.
See support.dell.com for information on the latest processor upgrade options
for your system.