Lenovo ThinkServer RD530 - Manual (Page 88)

Figure 35. CPU1 DIMMs and CPU2 DIMMs
Table 4. 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 20 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 63.
This topic provides instructions on how to install a memory module.
Before you begin, print all the related instructions or ensure that you can view the PDF version on another
computer for reference.
76 ThinkServer RD530 User Guide