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DIMM installation sequence

When you install additional DIMMs, install them in the order shown in the following table to optimize system performance.

In general, all four channels on the memory interface for each microprocessor can be populated in any order and have no matching requirements.

Table 1. Normal mode DIMM installation sequence
Number of installed microprocessorsDIMM connector population sequence
One microprocessor installed1, 4, 9, 12, 2, 5, 8, 11, 3, 6, 7, 10
Two microprocessors installed1, 13, 4, 16, 9, 21, 12, 24, 2, 14, 5, 17, 8, 20, 11, 23, 3, 15, 6, 18, 7, 19, 10, 22