
Figure 29. Memory socket locations on the processor expansion module
Memory channels are organized as follows:
Table 28. Memory channels
Processor
Channel 0
Channel 1
Channel 2
Channel 3
Processor 1 Slots A1, A5, and A9
Slots A2, A6, and A10
Slots A3, A7, and A11
Slots A4, A8, and A12
Processor
2
Slots B1, B5, and B9
Slots B2, B6, and B10
Slots B3, B7, and B11
Slots B4, B8, and B12
Processor
3
Slots C1, C5, and C9
Slots C2, C6, and C10
Slots C3, C7, and C11
Slots C4, C8, and C12
Processor
4
Slots D1, D5, and D9
Slots D2, D6, and D10
Slots D3, D7, and D11
Slots D4, D8, and D12
The following table shows the memory populations and operating frequencies for the supported configurations:
Table 29. Memory population
DIMM Type
DIMMs Populated/
Channel
Voltage
Operating Frequency (in
MT/s)
Maximum DIMM Rank/
Channel
RDIMM
1
1.2 V
2400, 2133, 1866
Dual rank or single rank
2
2400, 2133, 1866
Dual rank or single rank
76