Specifications

Chapter 4. Product information and technology 91
Usage of mixed DIMM sizes
All installed memory DIMMs do not have to be the same size, but it is a preferred
practice that the following groups of DIMMs be kept the same size:
򐂰 Slots 1 - 4
򐂰 Slots 5 - 8
򐂰 Slots 9 - 12
򐂰 Slots 13 - 16
򐂰 Slots 17 - 20 (IBM Flex System p460 Compute Node only)
򐂰 Slots 21 - 24 (IBM Flex System p460 Compute Node only)
򐂰 Slots 25 - 28 (IBM Flex System p460 Compute Node only)
򐂰 Slots 29 - 32 (IBM Flex System p460 Compute Node only)
12 x x x x x x x x x x x x
14
x x x x x x x x x x x x x x
16
x x x x x x x x x x x x x x x x
18
x x x x x x x x x x x x x x x x x x
20
x x x x x x x x x x x x x x x x x x x x
22
x x x x x x x x x x x x x x x x x x x x x x
24
x x x x x x x x x x x x x x x x x x x x x x x x
26
x x x x x x x x x x x x x x x x x x x x x x x x x x
28
x x x x x x x x x x x x x x x x x x x x x x x x x x x x
30
x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x
32
x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x
Number of DIMMs
Processor 0 Processor 1 Processor 2 Processor 3
DIMM 1 DIMM 2 DIMM 3 DIMM 4 DIMM 5 DIMM 6 DIMM 7 DIMM 8 DIMM 9 DIMM 10 DIMM 11 DIMM 12 DIMM 13 DIMM 14 DIMM 15 DIMM 16 DIMM 17 DIMM 18 DIMM 19 DIMM 20 DIMM 21 DIMM 22 DIMM 23 DIMM 24 DIMM 25 DIMM 26 DIMM 27 DIMM 28 DIMM 29 DIMM 30 DIMM 31 DIMM 32