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Mysterious rebooting problem

P

pogomips

Member
I'm experiencing a strange (for me) rebooting problem. I'm running win2k pro with a slot-A athlon 750@950, 512mb ram, aopen ak72 mobo, antec case & 300w ps.

For no apparent reason, after running puuurfectly for months, the machine started rebooting at the most inopportune moments last week. Initially I thought it might be a bad hd - checked out ok. The only other hardware in the machine is the cdrw. Default voltage is 1.95 - set it to 2.05. Reboots no matter the program - surfing the web, using photoshop, email, office, you name it.

Any suggestions as to how to go about testing this further? Could the ps be bad? The Mobo? It obviously still runs, but could it be the cause? I'm ready to throw this thing through the window - any help you can provide will be greatly appreciated!

pogo ( :^ } #

 
Do you have hardware monitoring software or BIOS? If so, do you notice any voltage drops in any areas (12V, -12V, 5V, -5V, etc)? IT sounds like the PSU, but it could also be the board. I doubt your CPU is getting "tired" and suddenly decided to not cooperate at the higher voltage, but you may still want to back off to the default setting for diagnosis puposes.

I've had spontaneous rebooting problems due to two problems: a failing PSU, and then a bad Epox board. What's your PSU wattage and what are you running? If you have the dough, I'd consider buying a new quality PSU. If that doesn't fix the problem, at least you'll have a good PSU for your new mobo!!

Also are you running the FSB at the default. If you push the memory too much, it'll cause reboots too. Good luck.
 
Thanks for the advice, I'l try it.

My PSU is a standard Antec 300w that came w/ the Antec case.

I should have mentioned that the CPU is "Physically" overclocked - I had someone resolder some "doohickies" so that the cpu is recognized as a 950 (default speed) - I don't have to change the multiplier or anything like that.

Thanks again,

pogo ( :^ } #

 
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