
Hardware options installation 47
UDIMM maximum memory configurations
The server supports a maximum of 16 GB, using 1-GB, 2-GB, and 4-GB single- or dual-rank UDIMMs.
General DIMM slot population guidelines
• The server has four memory slots.
• The server supports two channels with two DIMM slots per channel.
o Memory channel A consists of the two DIMM slots that are closest to the processor.
o Memory channel B consists of the two DIMM slots that are farthest from the processor.
• White DIMM slot indicates the first slot of a channel (2-A, 4-B).
• Memory speed support depends on the type of processor installed. See the technical specification of the
installed processor for more information.
• The server supports dual-rank, 1333 MT/s ECC DIMMs.
• The server supports up to 16-GB (4x4 GB) DIMMs.
• The server does not support:
o LV-DIMMs
o RDIMMs
o Non-ECC DIMMs
• When installing DIMMs:
o If the processor is not installed, then do not install DIMMs
o Populate the DIMM slots in the sequence: 2-A, 4-B, 1-C, 3-D
o The DIMM slot farthest from the processor (either CHA or CHB) must be populated first
o Populate DIMM slots from heaviest load (double-rank) to lightest load (single-rank)
o Use HP-qualified DIMMs
NOTE: The server does not support Elpida 1G/2G/4G UDIMM memory.
Installing a DIMM
1. Power down the server (on page 19).
2. Remove all power:
a. Disconnect each power cord from the power source.
b. Disconnect each power cord from the server.
3. Unlock the tower bezel ("Unlock and open the tower bezel" on page 20).
4. Remove the access panel (on page 21).
5. Open the DIMM slot latches.
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