Lenovo ThinkServer TD340 - Manual (Page 107)

Table 5. Memory module installation rules for servers with one microprocessor
CPU1 DIMM A1 A2 B1 B2 C1 C2
One DIMM X
Two DIMMs X X
Three DIMMs X X X
Four DIMMs X X X X
Six DIMMs X X X X X X
The following table explains the memory module installation rules for servers that have two microprocessors
(CPU1 and CPU2) installed. The “X” mark indicates the memory slots into which the memory modules
should be installed in different situations.
Note: Ensure that you observer the installation guidelines at the beginning of this topic.
Figure 45. CPU1 DIMMs and CPU2 DIMMs
Table 6. Memory module installation rules for servers with two microprocessors
CPU1 DIMM CPU2 DIMM
A1 A2 B1 B2 C1 C2 D1 D2 E1 E2 F1 F2
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
The following section explains the memory module installation rules in independent mode, mirroring mode,
sparing mode, and lockstep mode.
Chapter 6 . Installing, removing, or replacing hardware 95