PLEASE HELP Weird reboots while idle?

edhowell

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Jul 21, 2004
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For a couple of days now I have been stress testing my CPU at different FSB settings to test stability. I test dual primes for about 30 hours with no problems. However after I end the tests I get intermittent reboots while surfing the net or doing anything that does not take a lot of CPU power. I get a blue flicker screen and a reboot. My voltage is 1.625-1.632 according to CPU-Z for the rest of my specs check my sig.
The rails on the PSU are rock steady while under full load. I ran memtest last night all night long with no errors so I don't think its a memory problem. What do you think about it being a Windows problem? I notice some other funky stuff going on like getting booted out of Internet Explorer. Can ocing corrupt Windows to the point of having to reinstall it?

Any help would be greatly appreciated.
 

edhowell

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Jul 21, 2004
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Originally posted by: PhoenixOrion
Hey ed. List all your components in link below and tell us how much is your peak power draw. That's a lot of drives and P4 overclocking you have there.

http://www.jscustompcs.com/power_supply/

Thanks Phoenix thats a cool website. It says my peak draw is about 459 watts and that doesn't account for the overclocking. Is that a good indication that I need a stronger PSU? If so what would you guys recommend?
Also something to consider is when I run dual prime using Large FFT's I have no problems. But when I switch to Blend test which tests a lot of ram I get the reboots.

Thanks again

ed
 

cubanx

Senior member
Oct 27, 2000
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Random reboots are "generally" a PSU or memory problem but kinda hard to pinpoint.

Does that mobo have a AGP/PCI lock?
Also did you run both DOS Memtest and the Windows Memtest?

Just some idea's :)
 

edhowell

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Jul 21, 2004
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Thanks cubanx

I have the agp/pci locked at 66.66/33.33
I ran windows memtest, how do you run dos memtest ((not to sound dumb)
 

yourdeardaniel

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Mar 20, 2004
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i had reboots all the time when overclocking with the same PSU u have, not sure whether it's the drooping vcore of P4C800-E mobo or PSU but more stable and little to none reboots using this PSU in sig. i think u should get a good 550w PSU, since ur using alot of HD's and that nvidia card.
 

rgreen83

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Feb 5, 2003
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I would have to agree that you are having a power draw problem, while prime is nice for testing stability of the floating point unit of your cpu, surfing the net might actually be more taxing on your system overall. And the answer to your question about overclocking corrupting your windows install is yes it absolutely can happen, the most common cause being an overclocked FSB (sadly the only way to OC an intel processor) and the fact that the SATA clock speed can get out of spec causing corrupt info to slowly be dumped onto your hard drive. I learned this the hard way after about my 5th reinstall of windows.
 

edhowell

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Jul 21, 2004
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Thanks guys for all your help!!

I think tonight I am going to go get a Antec True Power 550 from a local store and see if it helps.
 

yourdeardaniel

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Mar 20, 2004
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Originally posted by: edhowell
Thanks guys for all your help!!

I think tonight I am going to go get a Antec True Power 550 from a local store and see if it helps.

why would you want to get same brand PSU when last one was giving u unsteady rails :confused:
 

edhowell

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Jul 21, 2004
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Originally posted by: yourdeardaniel
Originally posted by: edhowell
Thanks guys for all your help!!

I think tonight I am going to go get a Antec True Power 550 from a local store and see if it helps.

why would you want to get same brand PSU when last one was giving u unsteady rails :confused:

I don't have unsteady rails, according to asus probe and motherboard monitor. I just think I need the extra 70 watts of power. According to the website in one of the above threads it estimated that I am pulling about 459 watts and Im afraid I am too close to the max for my 480 to run steady.