Lenovo 5457 Installation And Service Manual page 275

5. Remove the air baffle (see
6. Locate the DIMM connector that contains the DIMM that is to be replaced (see
connectors" on page
Attention: To avoid breaking the DIMM retaining clips or damaging the DIMM connectors, open and
close the clips gently.
7. Carefully open the retaining clips on each end of the DIMM connector and remove the DIMM.
Figure 188. DIMM removal
8. If you are instructed to return the DIMM, follow all packaging instructions, and use any packaging
materials for shipping that are supplied to you.
To remove a dual inline memory module (DIMM) on the 5U server model with hot-swap power supplies,
complete the following steps. For 4U server models with non-hot-swap power supplies, please see the
above sub-section.
1. Read the safety information in
2. Turn off the server and all attached devices; then, disconnect all power cords and external cables.
3. Unlock and remove the side cover (see
4. Carefully turn the server on its side so that it is lying flat, with the cover facing up.
Attention: Do not allow the server to fall over.
5. Locate the DIMM connector that contains the DIMM that is to be replaced (see
connectors" on page
Attention: To avoid breaking the DIMM retaining clips or damaging the DIMM connectors, open and
close the clips gently.
6. Carefully open the retaining clips on each end of the DIMM connector and remove the DIMM.
"Removing the air baffle" on page
27).
"Safety" on page v
"Removing the side cover" on page
27).
177).
and "Installation guidelines" on page
.
Chapter 6 Removing and replacing components
"System-board internal
31.
173).
"System-board internal
263