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Memory module replacement
Use the following procedures to replace a memory module.
Remove a memory module
Memory modules are in the system boards that are accessed from the front of the server.
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Attention: Memory modules are sensitive to static discharge and require special handling. In addition to the
standard guidelines for "Handling static-sensitive devices" on page 91:
• Always wear an electrostatic-discharge strap when removing or installing memory modules. Electrostatic-
discharge gloves can also be used.
• Never hold two or more memory modules together so that they touch. Do not stack memory modules
directly on top of each other during storage.
• Never touch the gold memory module connector contacts or allow these contacts to touch the outside of
the memory-module connector housing.
• Handle memory modules with care: never bend, twist, or drop a memory module.
Note: The same procedure is used to remove memory modules and memory module fillers.
Before you remove a memory module:
1. If you are removing a DCPMM in App Direct or Mixed memory mode, make sure to back up the stored
data, and delete any created namespace.
2. Remove the front cover. See "Remove the front cover" on page 131.
3. Remove the compute tray where the system board and memory module are installed. See "Remove a
compute tray" on page 115.
4. If you are removing a memory module from the lower compute system board, remove the upper system
board or system board filler. See "Remove a system board" on page 109.
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" on page 91
" on page 65 "
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Chapter 9
Hardware replacement procedures
173
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