Upgrading Your Server 9-53
DIMM
The DIMM (Dual Inline Memory Module) is installed in a DIMM socket on the mother board
installed in the server.
The mother board contains 12 sockets in which DIMMs are installed. Two 1-GB DIMMs are
factory installed in DIMMs #11 and #21. (The factory-installed DIMMs may be replaced.)
DIMMs are installed on the sockets in the ascending order of DIMM group numbers in the unit of
two modules.
IMPORTANT: Due to an interleave device, add two DIMMs in group.
The server does not operate if DIMMs of different specifications are
installed in a single group.
NOTE: To use the memory mirroring and online spare memory feature,
see "Using the Memory RAS Feature" described later.
Group number Socket number in group
Group #1 DIMM #11 and DIMM #21
Group #2 DIMM #31 and DIMM #41
Group #3 DIMM #12 and DIMM #22
Group #4 DIMM #32 and DIMM #42
Group #5 DIMM #13 and DIMM #23
Group #6 DIMM #33 and DIMM #43
DIMM #33
DIMM #32
DIMM #31
DIMM #23
DIMM #22
DIMM #21
DIMM #13
DIMM #12
DIMM #11
DIMM #41
DIMM #42
DIMM #43
Mother board
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