Removing the SAN Volume Controller 2145-4F2 system-board CMOS battery

This topic describes how to remove the SAN Volume Controller 2145-4F2 CMOS battery.

CAUTION:

The battery contains lithium. To avoid possible explosion, do not burn or charge the battery.

Do not:

Throw or immerse into water
Heat to more than 100°C (212°F)
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 system-board CMOS battery, perform the following steps:

Turn off the node while ensuring that its data is mirrored and synchronized. See MAP 5350: Powering off a SAN Volume Controller node for more information.
Remove the node from the rack and place it on a flat, static-protective surface. See Removing the SAN Volume Controller from a rack.
Remove the top cover. See Removing the top cover.
Use a finger to lift the battery clip above the battery, which is shown in Figure 1.
Figure 1. Removing the SAN Volume Controller 2145-4F2 system-board CMOS battery
Use one finger to slightly slide the battery out from its socket. The spring mechanism pushes the battery out toward you as you slide it from the socket.
Use your thumb and index finger to pull the battery out from under the battery clip.
Ensure that the battery clip is touching the base of the battery socket by pressing gently on the clip.