IBM SAN Volume Controller 2145-CG8 Hardware Maintenance Manual page 174

b. Use your thumb and index finger to lift the battery from the socket.
9. Recycle or discard the battery as instructed by local regulations.
See the warning at the beginning of this topic for further instructions regarding handling the battery.
Removing the SAN Volume Controller 2145-8A4 CMOS battery
This topic describes how to remove the SAN Volume Controller 2145-8A4 CMOS battery.
CAUTION:
The battery contains lithium. To avoid possible explosion, do not burn or charge the battery.
Do not:
v Throw or immerse into water
v Heat to more than 100°C (212°F)
v Repair or disassemble
Exchange only with the IBM-approved part. Recycle or discard the battery as instructed by local
regulations. In the United States, IBM has a process for the collection of this battery. For information,
call 1-800-426-4333. Have the IBM part number for the battery unit available when you call. (C003)
To remove the CMOS battery, perform the following steps:
1. Read the safety precautions in "Safety and environmental notices" on page xiii.
2. 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.
3. Remove the node from the rack and place it on a flat, static-protective surface. See "Removing the
SAN Volume Controller from a rack" on page 46.
4. Remove the top cover. See "Removing the top cover" on page 77.
5. Lift the riser-card assembly out of the way. You do not need to separate the riser-card assembly and
the Fibre Channel adapter. See "Removing the PCI express riser card assembly" on page 214.
6. Locate the battery on the system board.
1 in Figure 133 on page 145 shows the location of the battery.
144
IBM SAN Volume Controller Hardware Maintenance Guide