Tom's Hardware > Forum > CPU & Components > Power Supplies, PC Cases & Case Mods > Replaced power supply.......
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ffmedic152   12-28-2008 at 03:27:19 AM

I have an ASUS 87N deluxe MB. I had a 400W psu by antec that I have been using for the past 2 years. Today I started having random shutdowns. The pc would just turn off suddenly as if I had unplugged it and when I reboot there is no error or system check due to the crash, it just boots normally. I replaced the PSU with an antec 500w figuring that is the problem. As of now there are no crashes. But......when using the ABit Eq software to monitor the system, I have a problem. Under the voltage setting -5V, the low limit is -5.50 and the high is -4.50. The current value is 3.55!!! What is this going to and what should I look for? I have changed psu's before and I have checked everything I know right now. All cables are accounted for. Any help would be appreciated. My current CPU temp is 100 F and SYS is 75 F. I have not noticed any spikes in temp. Thanks again and let me know if any more info is needed. David

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evongugg   12-29-2008 at 02:52:11 PM
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Welcome to the forums!

Only some very old motherboards or ISA expansion cards require -5v.
It's probably a false reading.
Don't worry about it.

------------------------------ Google is your friend and Bob's your uncle
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ffmedic152   12-29-2008 at 03:24:07 PM
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Thanks alot I was starting to assume that but I wasnt sure.

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