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Chapter 3: Maintenance and Component Installation
Memory Population Sequence: Half Memory Configuration
(4 CPUs & 16 DIMMs Installed)
4 CPUs & 16 DIMMs
(4 DIMMs per CPU)
Memory Population Sequence
CPU1 + 4 DIMMs
CPU1:
P1-DIMMB1/P1-DIMMA1/P1-DIMMD1/P1-DIMME1
CPU2 + 4 DIMMs
CPU2:
P2-DIMMB1/P2-DIMMA1/P2-DIMMD1/P2-DIMME1
CPU3 + 4 DIMMs
CPU3:
P3-DIMMB1/P3-DIMMA1/P3-DIMMD1/P3-DIMME1
CPU4 + 4 DIMMs
CPU4:
P4-DIMMB1/P4-DIMMA1/P4-DIMMD1/P4-DIMME1
DIMM Population Order per CPU
CPU1
C1
C2
B1
B2
A1
A2
D2
D1
E2
E1
F2
F1
1 DIMM
X
2 DIMMs*
X
X
3 DIMMs*
X
X
X
4 DIMMs
X
X
X
X
5 DIMMs*
X
X
X
X
X
6 DIMMs
X
X
X
X
X
X
7 DIMMs*
X
X
X
X
X
X
X
8 DIMMs*
X
X
X
X
X
X
X
X
9 DIMMs*
X
X
X
X
X
X
X
X
X
10 DIMMs*
X
X
X
X
X
X
X
X
X
X
11 DIMMs*
X
X
X
X
X
X
X
X
X
X
X
12 DIMMs
X
X
X
X
X
X
X
X
X
X
X
X
*Unbalanced configuration (reduces performance and is not recommended).
“Incorrect Memory DIMM Population” message will appear during POST.
•
BIOS/OS will only show the total of the workable memory size, which may not total up
to the amount that is physically in the system.
