CAUTION:
The battery is a lithium ion battery. To avoid possible explosion, do not burn the battery. Exchange it
only with the approved part. Recycle or discard the battery as instructed by local regulations.
Attention:
• Read “Installation guidelines” on page 57 to ensure that you work safely.
• Power off the server and disconnect all power cords for this task.
• Prevent exposure to static electricity, which might lead to system halt and loss of data, by keeping static-
sensitive components in their static-protective packages until installation, and handling these devices with
an electrostatic-discharge wrist strap or other grounding system.
• If the server is in a rack, remove it from the rack.
• If foot stands are installed on the server, rotate them inwards and lay the server on its side for easier
operation.
Watch the procedure. A video of the installation and removal process is available:
• YouTube:
https://youtube.com/playlist?list=PLYV5R7hVcs-DoEcxrm2zKNpaKOdZ3f8Qc
• Youku: https://list.youku.com/albumlist/show/id_59636516
Procedure
Step 1. Make preparations for this task.
a. Remove the server cover. See “Remove the server cover” on page 188.
b. Remove all the flash power modules. See “Remove a flash power module” on page 98.
c. Remove the air baffle. See “Remove the air baffle” on page 72.
Step 2. Locate the CMOS battery on the system board. See “System board components” on page 33.
Step 3. Remove the CMOS battery.
Attention: Do not apply excessive force on the CMOS battery. Failing to remove the CMOS
battery properly might damage the socket on the system board. Any damage to the socket might
require replacing the system board.
Figure 47. Removing the CMOS battery
a.
Press on the nub on the side of the CMOS battery.
b.
Pivot the battery away from the socket to remove it.
After you finish
• Install a new CMOS battery. See “Install the CMOS battery (CR2032)” on page 78.
Chapter 4. Hardware replacement procedures 77
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