Owners Manual

Maximum supported DIMM frequency of the processors
Your system contains 24 memory sockets split into two sets of 12 sockets, one set per processor. Each 12-socket set is organized into
four channels. In each channel, the release tabs of the first socket are marked white, the second socket black, and the third socket green.
Figure 16. Memory socket locations
Memory channels are organized as follows:
Table 29. 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
The following table shows the memory populations and operating frequencies for the supported configurations:
Table 30. Memory population
DIMM Type DIMMs Populated/
Channel
Voltage
Operating Frequency (in
MT/s)
Maximum DIMM Rank/Channel
RDIMM 1
1.2 V
2133, 1866, 1600, 1333 Dual rank or single rank
2 2133, 1866, 1600, 1333 Dual rank or single rank
Installing and removing system components 67