To remove the CMOS battery, perform the following steps:
1. Turn off the node while ensuring that its data is mirrored and synchronized. See MAP 5350 in the
IBM System Storage SAN Volume Controller Troubleshooting Guide for more information.
2. Remove the cable-retention bracket and disconnect the power cable from the node. See “Removing the
cable-retention bracket” on page 34.
3. Remove the top cover. See “Removing the top cover” on page 77.
4. Locate the battery
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on the system board. Figure 135 shows the location of the battery.
5. Remove the CMOS battery, as shown in Figure 136:
a. Use a fingernail to press the top of the battery clip away from the battery. The battery pops up
when released.
b. Use your thumb and index finger to lift the battery from the socket.
Removing the SAN Volume Controller 2145-8F4 or SAN Volume Controller
2145-8F2 CMOS battery
This topic describes how to remove the SAN Volume Controller 2145-8F4 and SAN Volume Controller
2145-8F2 CMOS battery.
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svc00301
Figure 135. Location of the SAN Volume Controller 2145-8G4 CMOS battery holder
svc00276
Figure 136. SAN Volume Controller 2145-8G4 CMOS battery holder
146 IBM SAN Volume Controller Hardware Maintenance Guide
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