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.

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 CMOS battery, perform the following steps:
  1. Follow any special handling and installation instructions supplied with the battery.
  2. 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.
  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.
  4. Remove the top cover. See Removing the top cover.
  5. Locate the battery reference key one on the system board. Figure 1 shows the location of the battery.
    Figure 1. Location of the CMOS battery on the SAN Volume Controller 2145-8F2 or the SAN Volume Controller 2145-8F4This figure shows the location of the CMOS battery on the SAN Volume Controller 2145-8F2 or the SAN Volume Controller 2145-8F4.
  6. Remove the battery:
    1. Use one finger to pull the retainer tab, which is shown in Figure 2, that secures the battery to its housing.
      Figure 2. SAN Volume Controller 2145-8F2 or the SAN Volume Controller 2145-8F4 CMOS battery holderThis figure shows the CMOS battery holder for the SAN Volume Controller 2145-8F2 or the SAN Volume Controller 2145-8F4
    2. Use one finger to slide the battery up and out from its socket.
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