DIMM 3
DIMM 9
DIMM 6
DIMM 12
DIMM 2
DIMM 8
DIMM 5
DIMM 11
DIMM 1
DIMM 7
DIMM 4
DIMM 10
Microprocessor 1
DIMM 15
DIMM 21
DIMM 18
DIMM 24
DIMM 14
DIMM 20
DIMM 17
DIMM 23
DIMM 13
DIMM 19
DIMM 16
DIMM 22
Microprocessor 2
Figure 41. The location of the DIMM connectors on the system board
DIMM installation sequence
Depending on the server model, the server may come with a minimum of one 2 GB or 4 GB DIMM installed
in slot 1. When you install additional DIMMs, install them in the order shown in the following table to
optimize system performance.
In general, all three channels on the memory interface for each microprocessor can be populated in any
order and have no matching requirements.
Table 5. Independent mode DIMM installation sequence
Number of installed
microprocessor
DIMM connector population sequence
One microprocessor installed
1, 4, 9, 12, 2, 5, 8, 11, 10, 7, 6, 3
Two microprocessors installed
1, 13, 4, 16, 9, 21, 12, 24, 2, 14, 5, 17, 8, 20, 11, 23, 22, 10, 19, 7, 18, 6, 15, 3
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Summary of Contents for System x3500 M4
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