Lenovo 3057 Maintenance Manual page 115

To install a memory module, do the following:
1. Remove all media from the drives and turn off all attached devices and the server. Then, disconnect all
power cords from electrical outlets and disconnect all cables that are connected to the server.
2. If the server is installed in a rack cabinet, remove the server from the rack cabinet and place it on a flat,
clean, and static-protective surface. See the Rack Installation Instructions that comes with the server.
3. Remove the server cover. See "Removing the server cover" on page 85.
4. Remove the cooling shroud. See "Removing and reinstalling the cooling shroud" on page 93.
5. Locate the memory slots on the system board and read the memory module installation rules. See
"Memory module installation rules" on page 97.
6. Disconnect any cables that might impede your access to the memory slots.
7. Open the retaining clips of the appropriate memory slot.
Figure 61. Opening the retaining clips of the memory slot
8. Touch the static-protective package that contains the new memory module to any unpainted surface on
the outside of the server. Then, take the new memory module out of the package.
Note: Carefully handle the memory module by its edges.
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Chapter 6 Installing, removing, or replacing hardware
101