l If only one memory module is installed, it must be installed in socket DIMM1_A.
l If two or more memory modules are installed, they must be installed in pairs of matched memory size, speed, and technology.
l The system supports both single-ranked and dual-ranked memory modules.
l If you install both single-ranked and dual-ranked memory modules, the dual-ranked memory modules must be installed in bank 1.
l Dual-ranked memory modules are not supported in bank 3.
l If dual-ranked memory modules are installed in bank 2, you cannot install memory modules in bank 3.
Memory modules marked with a 1R are single ranked and modules marked with a 2R are dual ranked. See Figure6-8.
Figure 6-8. Determining a Memory Module's Capacity and Rank
Spare Bank Support
If six identical single-rank memory modules are installed, the memory modules in bank 3 (DIMM3_A and DIMM3_B) can function as a spare bank if you select
the spare bank option using the System Setup program.
Table6-1 and Table6-2 show examples of different memory configurations. Table6-2 lists the various allowable combinations of single- and dual-ranked
memory modules.
Table 6-1.SampleMemoryConfigurations
Table 6-2. Allowable Memory Module Configurations – Single-Ranked and Dual-Ranked Memory Modules
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