IBM F50 RS/6000 7025 - Manual (Page 320)

Note: After you replace the battery, you must reconfigure your system (custom boot
list, IP parameters, etc.) and reset the system date and time.
1. If you have not already done so, remove the covers as described in “Removing
Both the Front and Side Covers” on page 5-10.
2. Remove the system board cover as described in “Removing the I/O Planar
Cover” on page 5-16.
3. Locate the battery on the system board.
B-2 IBM RS/6000 7025 F50 Series User's Guide