General Memory Module Installation Guidelines - Dell PowerEdge FC630 Owner's Manual

Figure 15. Memory socket locations
Memory channels are organized as follows:
Processor 1 channel 0: memory sockets A1, A5, and A9
channel 1: memory sockets A2, A6, and A10
channel 2: memory sockets A3, A7, and A11
channel 3: memory sockets A4, A8, and A12
Processor 2 channel 0: memory sockets B1, B5, and B9
channel 1: memory sockets B2, B6, and B10
channel 2: memory sockets B3, B7, and B11
channel 3: memory sockets B4, B8, and B12

General memory module installation guidelines

Your system supports Flexible Memory Configuration, enabling the system to be configured and run in
any valid chipset architectural configuration. The following are the recommended guidelines for best
performance:
• LRDIMMs, and RDIMMs must not be mixed.
• x4 and x8 DRAM based DIMMs can be mixed. For more information, see the Mode-specific guidelines
section.
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