Replacing The Core I/O Board Battery - HP AB464-9003F Service Manual

IMPORTANT:
settings. (Find the settings using the INFO ALL EFI command.) You must reset these values
after replacing the battery.
To remove the core I/O board battery, follow these steps:
1. Power off the server and disconnect the power cables. See
(page 89).
2. If rack installed, slide the server completely out from the rack. See
from the Rack" (page
3. Remove the top cover from the chassis. See
4. Remove the core I/O board. See
5. Locate the battery on the core I/O board
6. Insert a flat tool under the battery and carefully lift upward to pry the battery from the socket.
Figure 81 Battery Location on UCIO Card

Replacing the Core I/O Board Battery

To replace the core I/O board battery, follow these steps:
1. Insert the replacement battery into the socket.
NOTE:
with the + sign facing up.
2. Replace the core I/O board. See
3. Replace the top cover. See
4. If rack installed, slide the server completely into the rack. See
Rack" (page
5. Reconnect the power cables and power on the server. See
(page 89).
236 Removing and Replacing Server Components
Before removing the system battery, record all boot and LAN configuration
176).
The positive terminal of the battery is designated by a + sign. Install the battery
"Replacing the Top Cover" (page
177).
"Removing the Top Cover" (page
"Removing the Core I/O Board" (page
(Figure 78).
"Replacing the Core I/O Board" (page
"Powering Off the Server"
"Extending the Server
178).
234).
235).
179).
"Inserting the Server into the
"Powering On the Server"