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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 2145-8G4 CMOS battery

This topic describes how to remove the SAN Volume Controller 2145-8G4 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. Turn off the node while ensuring that its data is mirrored and synchronized. See MAP 5350 in the

IBM System Storage SAN Volume Controller 2145 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 29.

4. Locate the battery

on the system board. Figure 137 on page 132 shows the location of the battery.

svc00495

Figure 136. Removing the SAN Volume Controller 2145-8A4 CMOS battery

Chapter 2. Removing and replacing parts 131

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IBM SAN Volume Controller Specifications

General