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Manually Recovering the BIOS
A BIOS recovery can be manually initiated. This option would be used only when the BIOS is
corrupt, but the ROM checksum error does not occur during POST. To manually initiate a BIOS
recovery, use the following steps:
1. Power down and uplug the system from the AC power source.
2. Install the recovery jumper at J4H1. See the figure below.
TP00902
3
FRB
HALT
J4H2
RECOVERY
BOOT
J4H3
J4H1
PASSWORD
CLEAR
Figure 12. Recovery Boot Jumper
3. Insert the Crisis Recovery Diskette into the A: diskette drive.
4. .Plug the system into the AC power source and power it on.
5. A blue screen will be displayed and the recovery process will automatically run. The system
will continue to beep throughout the recovery process.
6. A series of three beeps and no disk access signals the need to insert disk two.
7. When the beeping stops and disk access stops on disk two the recovery process is complete.
8. Remove disk two.
9. Power down and unplug the system from the AC power source.
10. Remove the BIOS recovery jumper at J4H1.
11. Plug the system into the AC power source and power it up to confirm that the recovery was
successful.