Installing, Removing, Or Replacing Optional Hardware Devices; Installing Or Removing A Memory Module - Lenovo ThinkServer RD240 Installation And User Manual

To remove the server cover, do the following:
1. Remove all media from the drives. Then, turn off all attached devices and the
2. Disconnect all power cords from electrical outlets.
3. Disconnect the power cord(s), Input/Output (I/O) cables, and all other cables
4. Loosen the thumbscrew in the rear of the server cover ( 1 ). Then, slide the
Figure 8. Removing the server cover
To reinstall the server cover, see "Installing the server cover" on page 67.

Installing, removing, or replacing optional hardware devices

This section provides instructions on how to install, remove, or replace optional
hardware devices for your server. You can expand the capabilities of your server
by adding memory modules, PCI cards, or drives, and maintain your server by
replacing the failing optional hardware devices. If you are replacing an optional
hardware device, perform the removal procedure and then perform the installation
procedure for the optional hardware device that you want to replace.

Installing or removing a memory module

This section provides instructions on how to install or remove a memory module.
For a list of the supported memory modules for your server, go to
22
Installation and User Guide
server.
that are connected to the server.
server cover to the rear until you can lift it up to completely remove it from the
chassis ( 2 ).
Notes:
a. The thumbscrew is securely installed and you need to use a tool, for
example a screw driver, to loosen it.
b. The thumbscrew is an integrated part of the server cover and it cannot be
removed from the server cover.