Installing Or Removing A Memory Module - Lenovo ThinkServer RD430 User Manual

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 56. 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 47 to locate the connectors on the system board and reconnect cables.
13. Go to "Completing the parts replacement" on page 174.

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 82 first and carefully perform the operation.
Memory module installation rules
Your server has 12 memory slots and it has the following features:
• Each slot supports 4 GB, 8 GB, and 16 GB 1333 MHz double data rate 3 low-voltage registered dual inline
memory modules (DDR3 LV RDIMMs).
• Each slot supports 4 GB, 8 GB, and 16 GB 1333 MHz DDR3 RDIMMs.
• Each slot supports 2 GB and 4 GB 1333 MHz DDR3 unbuffered dual inline memory modules (UDIMMs)
with Error Checking and Correcting (ECC) technology.
• Your server supports up to six memory modules when one microprocessor is installed and up to 12
memory modules when two microprocessors are installed.
• The minimum system memory for RDIMMs or LV RDIMMs is 4 GB (only one microprocessor installed and
only one 4 GB RDIMM or LV RDIMM installed in the CPU1 DIMMA1 slot).
• The minimum system memory for UDIMMs is 2 GB (only one microprocessor installed and only one 2
GB UDIMM installed in the CPU1 DIMMA1 slot).
• The maximum system memory for RDIMMs or LV RDIMMs is 192 GB (two microprocessors installed and
one 16 GB RDIMM or LV RDIMM installed in each of the 12 memory slots).
• The maximum system memory for UDIMMs is 48 GB (two microprocessors installed and one 4 GB
UDIMM installed in each of the 12 memory slots).
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Chapter 6 Installing, removing, or replacing hardware
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