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Replacing the battery
The computer has a special type of memory that maintains the date, time, and
settings for built-in features, such as parallel-port assignments (configuration). A
battery keeps this information active when you turn off the computer. If the
battery fails, the date, time, and configuration information (including passwords)
are lost. An error message is displayed when you turn on the computer.
To replace the battery:
1. Turn off the computer and disconnect the power cord from the electrical outlet
and from the computer.
2. Disconnect all other cables attached to the computer.
3. Open the cover. See “Opening the cover” on page 25.
4. Refer to “Identifying parts on the system board” on page 28 and locate the
battery.
5. Remove the PCI riser and PCI adapters that impede access to the battery.
6. Remove the old battery.
7. Install the new battery.
8. Install the PCI riser and adapters if removed.
9. Replace the cover, and connect the cables. See “Closing the cover and
connecting the cables” on page 46.
Note: When the computer is turned on for the first time after battery
replacement, an error message might be displayed. This is normal after
replacing the battery.
10. Turn on the computer and all attached devices.
11. Use the IBM Setup Utility program to set the date and time and any
passwords.
Chapter 6. Replacing FRUs 31