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Updating the BIOS
43
1. Turn off the computer, disconnect the computer’s power cord, and disconnect all external
peripherals.
2. Remove the computer cover and locate the BIOS configuration jumper labeled C6D6
(see Figure 17).
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 computer cover, connect the power cord, turn on the computer, and allow it to
boot. The recovery process will take a few minutes.
6. Listen to the speaker:
• 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 a successful
BIOS recovery.
• A series of continuous beeps indicates a failed BIOS recovery.
7. If recovery fails, return to step 1 and repeat the recovery process.
8. If recovery is successful, turn off the computer, and disconnect its power cord.
9. Remove the computer cover and continue with the following steps.
10. Reinstall the jumper back on pins 1-2 as shown below to set normal mode for Setup.
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11. Leave the update diskette in drive A, replace the computer cover, and connect the computer’s
power cord.
12. Turn on the computer and continue with the BIOS update (see page 41).