Updating bios on hp a520n

Posted by / 22-Apr-2020 14:01

Updating bios on hp a520n

(Note: you have to run before SPIPGM each time.) It will ask for the total size of the flashrom, enter 1024 If SPIPGM reports your chip id as fffffffh then something isn't right. SPIPGM has several functions, such as erasing the BIOS first. Giving credit where credit is due, without these sites I never would have figured this out.

doesn't do it slow enough, or a bit at a time; which is what the SST chip needs for a successful reflash.

There have been scores of people with the same issue, if only I had known before hand. In perhaps a moment of great stupidity and laziness, I reflashed the bios on my ASUS P5B Deluxe using the ASUS windows based flash utility.

I confirm I successfully programmed my flash IC for an ASUS P8H67-M-PRO. I built the parallel adapter, I added a 3.3vdc power supply and used it to program my flash memory chip.

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The turnaround on my replacement was 10 days (not business days). It booted and was trying to access the via floppy disk, but it stopped half way trough.

Use version 1803 (606.11 KBytes - 2007/11/30 Link to the BIOS download page), anything above wont work.

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If you only tried the USB option for crash free then you should try floppy or CD.

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