Lenovo ThinkSystem SR645 V3 User Manual page 66

A video of this procedure is available at YouTube:
CTkyVDu-5Lhy1r9G-4PQGl
Procedure
Step 1. Remove the top cover. See
Step 2. Remove any parts and disconnect any cables that might impede your access to the CMOS battery.
Step 3. Locate the CMOS battery. See
Step 4. Open the battery clip as shown and carefully take the CMOS battery out of the socket.
Attention:
• Failing to remove the CMOS battery properly might damage the socket on the processor board.
Any damage to the socket might require replacing the processor board.
• Do not tilt or push the CMOS battery by using excessive force.
Figure 26. The positive and negative end on the CMOS battery socket
Note: Before you remove or install the CMOS battery from or into the socket, differentiate between
the positive and negative ends. Use the illustration above for guidance.
Figure 27. CMOS battery removal
1. Pry the CMOS battery from the socket with a flat-blade screwdriver.
2. Remove the CMOS battery.
After you finish
1. Install a new one. See
2. If you are instructed to return the component or optional device, follow all packaging instructions, and
use any packaging materials for shipping that are supplied to you.
ThinkSystem SR645 V3 User Guide
56
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"Remove the top cover" on page
"System-board-assembly connectors" on page
"Install the CMOS battery" on page
https://www.youtube.com/playlist?list=PLYV5R7hVcs-
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