Dell PowerEdge T640 EMC PowerEdge T640 Installation and Service Manual - Page 109

Table 36. Memory channels, Table 37. Memory population, Maximum DIMM Rank

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Figure 67. System memory view Table 36. Memory channels Proce Channel 0 ssor Channel 1 Proces Slots A1 and A7 sor 1 Slots A2 and A8 Proces Slots B1 and B7 sor 2 Slots B2 and B8 Channel 2 Slots A3 and A9 Slots B3 and B9 Channel 3 Channel 4 Slots A4 and A10 Slots A5 and A11 Slots B4 and B10 Slots B5 and B11 Channel 5 Slots A6 and A12 Slots B6 and B12 The following table shows the memory populations and operating frequencies for the supported configurations: Table 37. Memory population DIMM Type DIMMs Populated/ Channel RDIMM 1 2 LRDIMM 1 2 Voltage 1.2 V 1.2 V Operating Frequency (in Maximum DIMM Rank/ MT/s) Channel 2933, 2666, 2400, 2133 Dual rank or single rank 2933, 2666, 2400, 2133 Dual rank or single rank 2933, 2666, 2400, 2133 Quad rank or Octo rank 2666, 2400, 2133 Quad rank or Octo rank Installing and removing system components 109

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Figure 67. System memory view
Table 36. Memory channels
Proce
ssor
Channel 0
Channel 1
Channel 2
Channel 3
Channel 4
Channel 5
Proces
sor 1
Slots A1 and A7
Slots A2 and A8
Slots A3 and A9
Slots A4 and A10
Slots A5 and A11
Slots A6 and A12
Proces
sor 2
Slots B1 and B7
Slots B2 and B8
Slots B3 and B9
Slots B4 and B10
Slots B5 and B11
Slots B6 and B12
The following table shows the memory populations and operating frequencies for the supported configurations:
Table 37. Memory population
DIMM Type
DIMMs Populated/
Channel
Voltage
Operating Frequency (in
MT/s)
Maximum DIMM Rank/
Channel
RDIMM
1
1.2 V
2933, 2666, 2400, 2133
Dual rank or single rank
2
2933, 2666, 2400, 2133
Dual rank or single rank
LRDIMM
1
1.2 V
2933, 2666, 2400, 2133
Quad rank or Octo rank
2
2666, 2400, 2133
Quad rank or Octo rank
Installing and removing system components
109