http://www.ibm.com/pc/us/
2. PC PartnerInfo-TechnicalDatabase (CTSTIPS.NSF)
3. HelpCenter
4. Levels 1 and 2 Support
Toupdate (flash) the BIOS, see “Flash (BIOS/VPD) update procedure”on page
200.
Flash (BIOS/VPD) update procedure
Attention:
Refer to the information label located inside the system unit cover for any model-specific
information.
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 Yto update the serial number.
6. Typethe 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
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.
Toperform a Flash/BIOS recovery using the Virtual clear CMOS/BIOS recovery
jumper, use the following procedure.
1. Power-off the computer and remove the cover.
2. Move the system board Virtual clear CMOS/BIOS recoveryjumper to the ROM
recovery position. Refer to “Identifying parts on the system board - small
desktop model”on page27 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 Yto update the serial number.
7. Typethe 7-digit serial number of the computer you are servicing, then press
Enter.
200 HardwareMaintenance Manual