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Recovering the BIOS
It is unlikely that anything will interrupt the BIOS update, however, if an interruption occurs, the
BIOS could be damaged. The following steps explain how to recover the BIOS if an update fails.
The following procedure uses recovery mode for the Setup program. See page 54 for more
information on Setup modes.
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NOTE
Because of the small amount of code available in the boot block area, there is
no video support. You will not see anything on the screen during this
procedure. Monitor the procedure by listening to the speaker and looking at
the diskette drive LED.
1. Turn off the server, disconnect the server’s power cord, and disconnect all external peripherals.
2. Remove the server cover and locate the configuration jumper block (J6H1) (see Figure 14).
3. Remove the jumper from all pins as shown below to set recovery mode for Setup.
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4. Insert the bootable BIOS update diskette into diskette drive A.
5. Replace the server cover, connect the power cord, turn on the server, and allow it to boot. (The
recovery process will take a few minutes. Listen to the speaker and watch for
drive A activity.)
• Upon applying power, drive A will begin to show activity. In about a minute, two beeps
are heard and drive A activity ceases (temporarily) indicating the successful recovery of the
BIOS core. Drive A activity will begin again followed by two more beeps indicating the
successful recovery of the boot block. This sequence of events indicates that successful
BIOS recovery has taken place.
• A series of continuous beeps indicates that BIOS recovery has failed.
6. If recovery fails, return to step 1 and repeat the recovery process.
7. If recovery is successful, turn off the server, and disconnect its power cord.
8. Remove the server cover and continue with the following steps.
9. On the jumper block (J6H1), reinstall the jumper back on pins 1-2 as shown below to set
normal mode for Setup.
10. Leave the update diskette in drive A, replace the server cover, and connect the server’s
power cord.
11. Turn on the server and continue with the BIOS update (see page 58).
Configuration Software and Utilities 59