IBM NETVISTA 2251 Hardware Maintenance Manual

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Contents

Flash (BIOS/VPD) update procedureAttention:Refer to the information label located inside the system unit cover for any model-specificinformation.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 pressEnter.5. If the computer serial number was previously recorded, the number isdisplayed 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 pressEnter.7. Follow the instructions on the screen to complete the flash (BIOS/VPD) updateprocedure.Flash recovery boot block jumperAttention:If an interruption occurs during a Flash/BIOS upgrade, the BIOS might be left in anunusable state. The Boot Block jumper enables you to restart the system and recover theBIOS.To perform a Flash/BIOS recovery using the recovery jumper, use the followingprocedure.1. Power-off the computer and remove the cover.2. Move the system board recovery jumper to the clear position. Refer to“A40/A40P/A40i system board layout” on page 31 or the label inside thecomputer 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 pressEnter.6. If the computer serial number was previously recorded, the number isdisplayed 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 pressEnter.8. Follow the instructions on the screen to complete the flash (BIOS/VPD) updateprocedure.9. When you are instructed to reboot the computer, power-off the computer andmove the recovery jumper to the normal position. Then replace the cover andpower-on the computer.98 Hardware Maintenance Manual