Owners Manual

Figure 46. Memory socket locations

Memory channels are organized as follows:

Table 32. Memory channels

Processor Channel 0 Channel 1 Channel 2 Channel 3 Channel 4 Channel 5

Processor 1 Slots A1 and A7 Slots A2 and A8 Slots A3 Slots A4 and A9 Slots A5 and A10 Slots A6

Processor 2 Slots B1 Slots B2 Slots B3 Slots B4 Slots B5 Slots B6

Table 33. Memory population

DIMM Type DIMMs Populated/

Channel

Voltage

Operating Frequency (in MT/s) Maximum DIMM Rank/

Channel

RDIMM 1

1.2 V

2666, 2400, 2133, 1866 Dual rank or single rank

2 2666, 2400, 2133, 1866 Dual rank or single rank

LRDIMM 1

1.2 V

2666, 2400, 2133, 1866 Quad rank

2 2666, 2400, 2133, 1866 Quad rank

General memory module installation guidelines

To ensure optimal performance of your system, observe the following general guidelines when configuring your system memory. If your

system's memory configurations fail to observe these guidelines, your system might not boot, stop responding during memory

configuration, or operate with reduced memory.

The memory bus may operate at frequency can be 2666 MT/s, 2400 MT/s, or 2133 MT/s depending on the following factors:

Installing and removing system components