Chapter 3. IBM System x3850 X5 and x3950 X5 81Table 3-14 NUMA-compliant DIMM installation (three processors): x3850 X5Table 3-15 shows the NUMA-compliant memory installation sequence for four processors.Table 3-15 NUMA-compliant DIMM installation (four processors): x3850 X5Number of DIMMsHemisphere Mode aa. For more information about Hemisphere Mode and its importance, see 2.3.5, “HemisphereMode” on page 26.Processor 1 Processor 4 Processor 2 or 3Card 1 Card 2 Card 7 Card 8 Card 3 Card 4DIMM 1 and 8DIMM 3 and 6DIMM 2 and 7DIMM 4 and 5DIMM 1 and 8DIMM 3 and 6DIMM 2 and 7DIMM 4 and 5DIMM 1 and 8DIMM 3 and 6DIMM 2 and 7DIMM 4 and 5DIMM 1 and 8DIMM 3 and 6DIMM 2 and 7DIMM 4 and 5DIMM 1 and 8DIMM 3 and 6DIMM 2 and 7DIMM 4 and 5DIMM 1 and 8DIMM 3 and 6DIMM 2 and 7DIMM 4 and 56 N x x x12 Y x x x x x x18 N x x x x x x x x x24 Y x x x x x x x x x x x x30 N x x x x x x x x x x x x x x x36 Y x x x x x x x x x x x x x x x x x x42 N x x x x x x x x x x x x x x x x x x x x x48 Y x x x x x x x x x x x x x x x x x x x x x x x xThree-processor system: For a 3-processor system, you can use either processor slot 2or processor 3. Processor 3 uses cards 5 and 6 instead of cards 3 and 4, which are usedfor processor 2.Number of DIMMsHemisphere ModeaProcessor 1 Processor 4 Processor 2 Processor 3Card 1 Card 2 Card 7 Card 8 Card 3 Card 4 Card 5 Card 6DIMM 1 and 8DIMM 3 and 6DIMM 2 and 7DIMM 4 and 5DIMM 1 and 8DIMM 3 and 6DIMM 2 and 7DIMM 4 and 5DIMM 1 and 8DIMM 3 and 6DIMM 2 and 7DIMM 4 and 5DIMM 1 and 8DIMM 3 and 6DIMM 2 and 7DIMM 4 and 5DIMM 1 and 8DIMM 3 and 6DIMM 2 and 7DIMM 4 and 5DIMM 1 and 8DIMM 3 and 6DIMM 2 and 7DIMM 4 and 5DIMM 1 and 8DIMM 3 and 6DIMM 2 and 7DIMM 4 and 5DIMM 1 and 8DIMM 3 and 6DIMM 2 and 7DIMM 4 and 58 N x x x x16 Y x x x x x x x x24 N x x x x x x x x x x x x32 Y x x x x x x x x x x x x x x x x40 N x x x x x x x x x x x x x x x x x x x x48 Y x x x x x x x x x x x x x x x x x x x x x x x x56 N 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
