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Upgrade and replacement procedures 57
The method for replacing a battery depends on whether the battery case is mounted on the inner wall of the
server chassis by a hook-and-loop strip or located in a drive slot.
To replace a battery case mounted on the inner wall of the server chassis:
1. Back up all data.
2. Close all applications.
3. Power down the server.
4. Remove the server from the enclosure.
5. Remove the server access panel.
6. Remove the battery case from the chassis wall.
7. Disconnect the cable from the battery.
8. Connect the battery cable to the replacement battery.
9. Mount the battery case on the chassis wall.
10. Close the server access panel.
11. Reinstall the server in the enclosure.
After installing a battery pack, you might see a POST message during reboot indicating that the array
accelerator (cache) is disabled temporarily. This behavior is normal because the new battery pack is likely to
have a low charge.
The controller operates properly while the battery pack is recharging, although the performance advantage
of the array accelerator is absent. You do not need to take any action because the recharge process begins
automatically when the battery pack is installed. When the battery pack has been charged to a
predetermined level, the array accelerator is enabled automatically.
To replace a battery case located in a drive slot:
1. Back up all data.
2. Close all applications.
3. Power down the server.
4. Remove the server from the enclosure.
5. Remove the server access panel.
6. Remove the battery case from the drive slot.
7. Disconnect the battery cable.
8. Invert the battery case.