194 IBM : Hardware Maintenance Manual
To update (flash) the BIOS, see “Flash (BIOS/VPD) update procedure”.
Flash (BIOS/VPD) update procedure
1. Power-off the computer.
2. Insert the flash update diskette into drive A.
3. Power-on the computer.
4. When the Update Utility appears; select the country/keyboard, then press Enter.
5. If the computer serial number was previously recorded, the number is displayed
with an option to update it. Press Y to update the serial number.
6. Type the 7-digit serial number of the computer you are servicing, then press
Enter.
7. Follow the instructions on the screen to complete the flash (BIOS/VPD) update
procedure.
Flash recovery boot block jumper
To perform a Flash/BIOS recovery using the recovery jumper, use the following
procedure.
1. Power-off the computer and remove the cover.
2. Move the system board recovery jumper to the clear position. Refer to
“Identifying parts on the system board” on page 59 or the label inside the
computer for more information.
3. Insert the upgrade diskette into the diskette drive.
4. Power-on the computer. The IBM Logo will appear.
5. When the Flash Update Utility appears, select the country/keyboard, then press
Enter.
6. If the computer serial number was previously recorded, the number is displayed
with an option to update it. Press Y to update the serial number.
7. Type the 7-digit serial number of the computer you are servicing, then press
Enter.
8. Follow the instructions on the screen to complete the flash (BIOS/VPD) update
procedure.
9. When you are instructed to reboot the computer, power-off the computer and
move the recovery jumper to the normal position. Then replace the cover and
power-on the computer.
Attention:
Refer to the information label located inside the system unit cover for any model-specific
information.
Attention:
If an interruption occurs during a Flash/BIOS upgrade, the BIOS might be left in an unusable
state. The Boot Block jumper enables you to restart the system and recover the BIOS.
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