Lenovo 2579, 2593, 2594 Installing or removing a memory module, Memory module installation rules

10.Ensure that the two screw holes in the rear of the left cage are aligned with the corresponding holes in the chassis. Then, install the two screws to secure the left cage in position.

Figure 45. Installing the screws to secure the left cage

11.If your server has a slim optical drive installed, reconnect the signal cable and the power cable to the rear of the slim optical drive.

12.Refer to your note to reconnect other cables to the system board. You also can refer to “System board components” on page 41 to locate the connectors on the system board and reconnect cables.

13.Go to “Completing the parts replacement” on page 153.

Installing or removing a memory module

This topic provides instructions on how to install or remove a memory module.

Note: The memory modules are extremely sensitive to ESD. Ensure that you read and understand “Handling static-sensitive devices” on page 70 first and carefully perform the operation.

Memory module installation rules

Your server has 20 memory slots and it has the following features:

•Supports 4 GB, 8 GB, and 16 GB 1333 MHz DDR3 low-voltage registered dual inline memory modules (LV RDIMMs)

•Supports 4 GB, 8 GB, and 16 GB 1333 MHz DDR3 RDIMMs

•Supports 4 GB, 8 GB, and 16 GB 1600 MHz DDR3 RDIMMs

•Supports up to 12 normal RDIMMs when one microprocessor is installed and up to 20 RDIMMs when two microprocessors are installed

•Supports up to 8 LV RDIMMs when one microprocessor is installed and up to 16 LV RDIMMs when two microprocessors are installed

•Minimum system memory: 4 GB (only one microprocessor installed and only one 4 GB memory module installed in the CPU1 DIMMA1 slot)

•Maximum system memory if you are using normal RDIMMs: 320 GB (two microprocessors installed and one 16 GB RDIMM installed in each of the 20 memory slots)

•Maximum system memory if you are using LV RDIMMs: 256 GB (two microprocessors installed and one 16 GB LV RDIMM installed in each of the 16 memory slots that supports a LV RDIMM)

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