shell = flash2.exe
3. Change this line to:
shell = flash2.exe /U
4. Save this file to the diskette. Now you can use this BIOS flash diskette to
update your computer.
5. Turn off your computer and all attached devices, such as printers, monitors,
and external drives.
6. Unplug all power cords from electrical outlets, and remove the cover. See
“Removing the side cover” on page 30.
7. Locate the CMOS jumper on the system board, removing any adapters that
impede access to the jumper. See the system board label inside your computer
for the location of the jumper. See also the illustration in “Erasing a lost or
forgotten password (clearing CMOS)” on page 72.
8. Remove the jumper from the system board.
9. Replace the cover. See “Replacing the cover” on page 43. Reconnect the power
cords for the computer and monitor to electrical outlets.
10. Insert the BIOS update (flash) diskette into drive A, and turn on the computer
and monitor.
11. After the update session is completed, remove the diskette from the diskette
drive, and turn off the computer and monitor.
12. Unplug the power cords from electrical outlets.
13. Unplug all power cords from electrical outlets, and remove the cover. See
“Removing the side cover” on page 30.
14. Remove any adapters that impede access the BIOS Configuration jumper.
15. Replace the Clear CMOS/Recovery jumper to its original position.
16. Replace any adapters that were removed.
17. Replace the cover, see “Replacing the cover” on page 43, and reconnect all
cables that were disconnected.
18. Turn on the computer to restart the operating system.
19. Restore the config.sys file on the diskette back to:
shell = flash2.exe
Replacing the battery
When replacing the battery, you must replace it with a lithium battery of the same
type from the same manufacturer. To avoid possible danger, read and follow the
information in “Lithium battery notice” on page viii.
To order replacement batteries, call 1-800-772-2227 within the United States, and
1-800-465-7999 or 1-800-465-6666 within Canada. Outside the U.S. and Canada, call
your IBM reseller or IBM marketing representative.
Note: After you replace the battery, you must reconfigure your system and reset
the system date and time.
Do the following to replace the battery:
1. Follow any special handling and installation instructions supplied with the
replacement battery.
2. Turn off the computer and all attached devices. Disconnect all external cables
and power cords; then remove the computer cover.
3. Do the following to remove the battery:
Chapter 6. Solving problems 73
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