IBM LS20 - BladeCenter - 8850, Service Manual

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To remove a memory module (DIMM), complete the following steps:
1. Read the safety information that begins on page v and “Installation guidelines”
on page 59.
2. Shut down the operating system, turn off the blade server, and remove the
blade server from the BladeCenter unit. See “Removing and installing the blade
server in a BladeCenter unit” on page 61 for instructions.
3. Carefully lay the blade server on a flat, non-conductive surface.
4. Remove the blade server cover (see “Operating the blade server cover” on
page 64 for instructions).
5. Locate the DIMM connectors on the system board. Determine the connector
that contains the DIMM to be replaced.
DIMM 2 (J30)
DIMM 1 (J31)
DIMM 4 (J2)
DIMM 3 (J4)
Microprocessor 1
Microprocessor 2
6. To remove a DIMM, repeat the following steps for each DIMM that you want to
remove:
Attention: Opening both DIMM retaining clips at the same time will cause the
DIMM to be ejected rapidly from the system board connector. This action can
damage the DIMM and other system board components.
a. Carefully open the retaining clip on one end of the DIMM until it stops and
the DIMM begins to rise out of the system board connector.
Retaining
clip
DIMM
b. While holding the top edge of the DIMM, carefully open the other retaining
clip until it stops and the DIMM is free from the system board connector.
c. Carefully lift the DIMM out of the blade server and place it on a
non-conductive surface.
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AMD Opteron LS20 Type 8850 for IBM BladeCenter: Problem Determination and Service Guide