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Installing System Components 103
Rank 3, 4: DIMM2_A and DIMM2_B
Rank 5, 6: DIMM3_A and DIMM3_B
The memory modules must be installed in identical pairs in configurations
that have more than one memory module. For example, if socket DIMM1_A
contains a 512-MB memory module, then the second memory module to be
installed must be a 512-MB memory module in socket DIMM1_B.
Table 3-1 shows examples of different memory configurations, based on the
following guidelines:
• The minimum memory configuration is 512 MB.
• If only one memory module is installed, it must be installed in the
DIMM1_A socket.
• A rank must contain identical memory modules.
• Install memory modules in rank 1, 2(DIMM1_
x
) before installing memory
modules in rank 3, 4 (DIMM2_
x
), and install memory modules in rank 3, 4
before installing rank 5, 6 (DIMM3_
x
).
• Configurations of three or five memory modules are not supported.
Table 3-1. Sample Memory Module Configurations
Total
Memory DIMM1_A DIMM1_B DIMM2_A DIMM2_B DIMM3_A DIMM3_B
512 MB 512 MB
1 GB 512 MB 512 MB
1 GB 1 GB
2 GB 512 MB 512 MB 512 MB 512 MB
2 GB 1 GB 1 GB
3 GB 512 MB 512 MB 512 MB 512 MB 512 MB 512 MB
4 GB 1 GB 1 GB 1 GB 1 GB
4 GB 2 GB 2 GB
6 GB 1 GB 1 GB 1 GB 1 GB 1 GB 1 GB
8 GB 2 GB 2 GB 2 GB 2 GB