75Recovering the BIOSIt is unlikely that anything will interrupt the BIOS upgrade; however,an interruption could damage the BIOS. The following steps explainhow to recover the BIOS if an upgrade fails. The following procedureuses recovery mode for the Setup program.Note: Because of the small amount of code available in the non-erasable boot block area, there is no video support. You will notsee anything on the screen during the procedure. Monitor theprocedure by listening to the speaker and looking at the floppydrive LED.1 Turn off all connected peripherals, turn off system power, anddisconnect the AC power cord.2 Remove the access cover and expose the server board. Forinstructions, see the product guide accompanying your chassis.3 Move the Recovery Boot (RCVRY BOOT) jumper from its normalposition to the BIOS recovery position (see “Server Board Jumpers”on page 97).4 Reinstall the access cover and connect the power cord.5 Insert the diskette holding the BIOS upgrade and recovery filesinto drive A.6 Turn on system power and listen to the speaker:• Two beeps indicate successful BIOS recovery-Go to the nextstep.• A series of continuous beeps indicates failed BIOS recovery-Return to Step 1 and repeat the recovery process.7 Turn off system power and disconnect all AC power cords.8 Remove the access cover.9 Move the Recovery Boot jumper back to its normal position.10 Reinstall the access cover.11 Connect all AC power cords and turn on system power.
