best is don;'t (omg 2002 PC)only update if it offers new features, such as faster CPU or newer memory upgradesdo not ever upgrade any sick PC or it bricks.google "BIOS update bricked (or killed) my PC gets millions of hitsHP.com owns now and supports your PC, ask them how.also the BIOS files must match you exact PC, and countryor again you brick the PC.ask only them.
https://www.letmegooglethat.com/?q=bios+update+killed+my+PC.FACTIODSBIOS DOES NOT FIX BROKEN PC's.BIOS updates will brick many. (vast have now) click linkBIOS does not leak out like a dropped beer can.BIOS does not get cancer,BIOS has retention factor of 200years (EEPROM do)best is leave it alone, 99%^ of the time.you never told why you must, not 1 clue sorry.now 2 things to do need worry on your relic, PC.19 years old today, C4 dated by me.COIN CELL battery failed 3 times already, and you now.HDD , no HDD lasted 19 years not one. show me, we can get it listed at Guinness.
https://www.guinnessworldrecords.com/why not just post a real problem with the PC , I'm dead sure there is this old.all evidence of bad , sights and sounds, all. fans dead.?BIOS pages DEAD?