P5N73-AM BIOS error & bootloop

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Joined
21 May 2013
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2,075
Hey guys, I'm trying to get an old SKT775 machine (Q6600) going for a project, but I'm running in to an issue. The board/cpu and ram were pulled from a working PC around six months ago and stored.

First bootup went fine; it complained about missing CMOS settings but that was expected since it'd been unplugged for so long. Made minimal changes in the BIOS (mostly date/time and disable floppy drive) and saved/exited.

After saving and exiting it failed to post, nothing on the screen and cycling the CPU fan high/low with every post attempt. After a while it posted to a failsafe message saying previous boot failed, reset CMOS setting. I did this and rebooted, but the same thing happened again (continuous post attempts, finally erroring out).

I tried turning everything off and clearing the CMOS, but even if I don't change any BIOS settings (save and exit straight away on first setup) it still fails to boot the second time.

Anyone have any ideas?
 
Doh, BIOS update solved everything. The old BIOS was incompatible with the graphics card (ATI HD5570).
 
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