IBM 622020U Maintenance Manual - Page 36
Recovering, POST/BIOS, update, failure
UPC - 000435052933
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5. When the computer starts for the first time after the BIOS is updated, press F1 to select the Configuration/Setup Utility program; then, select the Load OPtimized Defaults option. 6. Select the Save & Exit option. 7. Select Y to save the settings, and exit. Recovering from a POST/BIOS update failure If power to your computer is interrupted while POST/BIOS code is being updated (flash update), your computer might not restart (reboot) correctly. If this happens, complete the following steps to recover: 1. Review the safety information beginning on page 129 and "Handling static-sensitive devices" on page 31. 2. Turn off the computer and all attached devices. See "Turning off the computer" on page 10 for instructions. 3. Disconnect the power cord. 4. Remove the cover and support bracket. 5. Locate the boot block recovery jumper (J6) on the system board. Remove any adapters that impede access to the jumper. The following illustration shows the location of the boot block jumper on the system board. Boot block jumper (J6) 6. Remove the boot block recovery jumper from pins 1 and 2. 7. Replace any adapters that were removed; then, replace the support bracket and replace the cover. 8. Connect the computer to a power source, keyboard, monitor, and mouse. 9. Insert the POST/BIOS update (flash) diskette into the diskette drive. You can download a file to create this diskette from http://www.ibm.com/pc/support/. 10. Turn on the computer and the monitor. 11. After the update is completed, turn off the computer and monitor. 12. Remove the diskette from the diskette drive. 13. Disconnect all power cords; then, remove the computer cover. 14. Return the boot block recovery jumper to pins 1 and 2. 26 IBM IntelliStation M Pro Types 6220 and 6230: Hardware Maintenance Manual