Lenovo ThinkSystem SR950 Setup Manual page 361

• 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.
Step 1. Install the memory module.
Figure 109. Memory module installation
a. Open the memory module connector retaining clips. If a memory module is already installed in
the connector, remove it.
b. Align the keys on the memory module that you are installing with the connector; then, insert the
memory module.
c. Firmly press both ends of the memory module straight down into the connector until the
retaining clips snap into the locked position.
Step 2. If you are installing additional memory modules, do so now.
After you install a memory module:
1. Install the upper system board or system board filler, if it was removed. See "Install a system board" on
page 310.
2. Install the compute tray where the system board is installed. See "Install a compute tray" on page 307.
3. Install the front cover. See "Install the front cover" on page 322
4. Power on the system.
5. If you have installed a DCPMM:
a. Update the system firmware to the latest version (see
7X12/maintenance_manual_firmware_updates.html
b. Make sure that the firmware on all of the DCPMM units is the latest version. If not, update it to the
latest version (see
https://sysmgt.lenovofiles.com/help/topic/com.lenovo.lxca.doc/update_fw.html
https://thinksystem.lenovofiles.com/help/topic/
).
Appendix B. Component reference
).
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