IBM BladeCenter HX5

Chapter 3. IBM System x3850 X5 and x3950 X5 81
Table 3-14 NUMA-compliant DIMM installation (three processors): x3850 X5
Table 3-15 shows the NUMA-compliant memory installation sequence for four processors.
Table 3-15 NUMA-compliant DIMM installation (four processors): x3850 X5
Number of DIMMs Hemisphere Mode
a
a. For more information about Hemisphere Mode and its importance, see 2.3.5, “Hemisphere
Mode” on page 26.
Processor 1 Processor 4 Processor 2 or 3
Card 1Card 2Card 7Card 8Card 3Card 4
DIMM 1 and 8 DIMM 3 and 6 DIMM 2 and 7 DIMM 4 and 5 DIMM 1 and 8 DIMM 3 and 6 DIMM 2 and 7 DIMM 4 and 5 DIMM 1 and 8 DIMM 3 and 6 DIMM 2 and 7 DIMM 4 and 5 DIMM 1 and 8 DIMM 3 and 6 DIMM 2 and 7 DIMM 4 and 5 DIMM 1 and 8 DIMM 3 and 6 DIMM 2 and 7 DIMM 4 and 5 DIMM 1 and 8 DIMM 3 and 6 DIMM 2 and 7 DIMM 4 and 5
6Nx x x
12
Y x x x x x x
18 N
x x x x x x x x x
24
Y x x x x x x x x x x x x
30 N
x x x x x x x x x x x x x x x
36
Y x x x x x x x x x x x x x x x x x x
42 N
x x x x x x x x x x x x x x x x x x x x x
48
Y x x x x x x x x x x x x x x x x x x x x x x x x
Three-processor system: For a 3-processor system, you can use either processor slot 2
or processor 3. Processor 3 uses cards 5 and 6 instead of cards 3 and 4, which are used
for processor 2.
Number of DIMMs Hemisphere Mode
a
Processor 1 Processor 4 Processor 2 Processor 3
Card 1Card 2Card 7Card 8Card 3Card 4Card 5Card 6
DIMM 1 and 8 DIMM 3 and 6 DIMM 2 and 7 DIMM 4 and 5 DIMM 1 and 8 DIMM 3 and 6 DIMM 2 and 7 DIMM 4 and 5 DIMM 1 and 8 DIMM 3 and 6 DIMM 2 and 7 DIMM 4 and 5 DIMM 1 and 8 DIMM 3 and 6 DIMM 2 and 7 DIMM 4 and 5 DIMM 1 and 8 DIMM 3 and 6 DIMM 2 and 7 DIMM 4 and 5 DIMM 1 and 8 DIMM 3 and 6 DIMM 2 and 7 DIMM 4 and 5 DIMM 1 and 8 DIMM 3 and 6 DIMM 2 and 7 DIMM 4 and 5 DIMM 1 and 8 DIMM 3 and 6 DIMM 2 and 7 DIMM 4 and 5
8Nx x x x
16
Y x x x x x x x x
24 N
x x x x x x x x x x x x
32
Y x x x x x x x x x x x x x x x x
40 N
x x x x x x x x x x x x x x x x x x x x
48
Y x x x x x x x x x x x x x x x x x x x x x x x x
56 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