Lenovo ThinkServer RD240 (English) Installation and User Guide - Page 34

Installing, removing, or replacing optional hardware devices, Installing or removing a memory module

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4. Loosen the thumbscrew in the rear of the server cover 1 . Then, slide the 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, such as a screwdriver, to loosen it. b. The thumbscrew is an integrated part of the server cover and it cannot be removed from the server cover. Figure 8. Removing the server cover Attention: For proper cooling and airflow, install the server cover before turning on the server. Operating the server for more than 30 minutes with the server cover removed might damage server components. To reinstall the server cover, see "Installing the server cover" on page 71. 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 http://www.lenovo.com/thinkserver. On the ThinkServer systems page, click Products ➙ Options ➙ ThinkServer Memory. 22 ThinkServer User Guide

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4. Loosen the thumbscrew in the rear of the server cover
1
. Then, slide the 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, such as a screwdriver, to loosen it.
b. The thumbscrew is an integrated part of the server cover and it cannot be removed from the server
cover.
Figure 8. Removing the server cover
Attention:
For proper cooling and airflow, install the server cover before turning on the server. Operating the
server for more than 30 minutes with the server cover removed might damage server components.
To reinstall the server cover, see “Installing the server cover” on page 71.
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 http://www.lenovo.com/thinkserver. On the ThinkServer systems
page, click
Products
➙
Options
➙
ThinkServer Memory
.
22
ThinkServer User Guide