Lenovo RD540 manual Memory slots on the system board

For more information about the memory modules in your specific server model, use the Setup Utility program. See “Viewing information in the Setup Utility program” on page 51.

For a list of the supported ThinkServer memory module options, go to:

http://www.lenovo.com/thinkserver

The following illustration shows the locations of all memory slots on a system board that has two microprocessors (also known as CPUs) and two heat sinks installed.

Figure 40. Memory slots on the system board

	Memory slot (CPU1 DIMMC1)		Memory slot (CPU1 DIMMA2)
1		11
	Memory slot (CPU1 DIMMC2)		Memory slot (CPU1 DIMMA1)
2		12
	Memory slot (CPU1 DIMMC3)		Memory slot (CPU2 DIMMC1)
3		13
	Memory slot (CPU1 DIMMD1)		Memory slot (CPU2 DIMMC2)
4		14
	Memory slot (CPU1 DIMMD2)		Memory slot (CPU2 DIMMD1)
5		15
	Memory slot (CPU1 DIMMD3)		Memory slot (CPU2 DIMMD2)
6		16
	Memory slot (CPU1 DIMMB3)		Memory slot (CPU2 DIMMB2)
7		17
	Memory slot (CPU1 DIMMB2)		Memory slot (CPU2 DIMMB1)
8		18
	Memory slot (CPU1 DIMMB1)		Memory slot (CPU2 DIMMA2)
9		19
	Memory slot (CPU1 DIMMA3)		Memory slot (CPU2 DIMMA1)
10		20

76ThinkServer RD540 User Guide and Hardware Maintenance Manual