Figure 49. CPU1 DIMMs and CPU2 DIMMs
Table 2. Memory module installation rules for servers with two microprocessors
CPU1 DIMM
CPU2 DIMM
A1
A2
A3
B1
B2
B3
C1
C2
C3
D1
D2
D3
A1
A2
B1
B2
C1
C2
D1
D2
Two
DIMMs
X
X
Four
DIMMs
X
X
X
X
Six
DIMMs
X
X
X
X
X
X
Eight
DIMMs
X
X
X
X
X
X
X
X
Twelve
DIMMs
X
X
X
X
X
X
X
X
X
X
X
X
Sixteen
DIMMs
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Twenty
DIMMs
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Note:
The twenty DIMMs configuration is supported only when you are using normal RDIMMs.
Installing a memory module
Attention:
Do not open your server or attempt any repair before reading and understanding “Safety information”
on page iii and “Guidelines” on page 75.
This topic provides instructions on how to install a memory module.
Installing, removing, or replacing hardware
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