Lenovo ThinkSystem SR860 V3 User Manual page 115

Procedure
Step 1. Remove the front top cover. See
Step 2. Locate the CMOS battery on the system board assembly.
Figure 60. CMOS battery location
Step 3. 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 system board
assembly. Any damage to the socket might require replacing the system board assembly.
• Do not tilt or push the CMOS battery by using excessive force.
Note: Before you remove or install the CMOS battery from or into the socket, differentiate between
the positive and negative ends.
"Remove the front top cover" on page
Chapter 5
272.
.
Hardware replacement procedures
105