Dell M620 - page 29

• maximum frequency of the DIMMs
• number of DIMMs populated per channel
• DIMM operating voltage
• system profile selected (for example, Performance Optimized, Custom, or Dense Configuration Optimized)
• maximum supported DIMM frequency of the processors
The 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 levers of the first socket are marked white, the second socket
black, and the third socket green.
NOTE: DIMMs in sockets A1 to A12 are assigned to processor 1 and DIMMs in sockets B1 to B12 are assigned to
processor 2.
The following table shows the memory populations and operating frequencies for the supported configurations.
Processor
Type
DIMM
Type
DIMMs
Populated/
Channel
Operating Frequency (in MT/s) Maximum DIMM
Rank/Channel
1.5 V 1.35 V
Intel Xeon
Processor
E5–2600
UDIMM
ECC
1 1333, 1066, and 800 1333, 1066, and 800 Dual rank
2 1333, 1066 and 800 1333, 1066, and 800 Dual rank
RDIMM 1 1600, 1333, 1066, and 800
1333, 1066, and 800
1333, 1066, and 800
1066 and 800
Dual rank
Quad rank
21600, 1333, 1066, and 800
1066 and 800
1333, 1066, and 800
1066 and 800
Dual rank
Quad rank
3 1333, 1066, and 800 1066 and 800 Dual rank
LRDIMM 1 1333 and 1066 1333 and 1066 Quad rank
2 1333 and 1066 1333 and 1066 Quad rank
3 1066 1066 Quad rank
Intel Xeon
Processor
E5–2600v2
UDIMM
ECC
1 1600, 1333, and 1066 1600, 1333, and 1066 Dual rank
2 1600, 1333, and 1066 1600, 1333, and 1066 Dual rank
RDIMM 1 1866, 1600, 1333, and 1066
1333, 1066, and 800
1600, 1333, and 1066
1066 and 800
Dual rank
Quad rank
21866, 1600, 1333, and 1066
1066 and 800
1600, 1333, and 1066
1066 and 800
Dual rank
Quad rank
3 1333 and 1066 1066 Dual rank
LRDIMM 1 1866, 1600, 1333, and 1066 1600, 1333, and 1066 Quad rank
1600, 1333, and 1066 Octal rank
2 1600, 1333, and 1066 1600, 1333, and 1066 Quad rank
1600, 1333, and 1066 Octal rank
3 1333 and 1066 1066 Quad rank
1066 Octal rank
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