DejAJaVvuU Posted August 17, 2008 Share Posted August 17, 2008 Dear Corsair, After talking with EVGA through phone and e-mail, my mobo/gpu manufacturer has come to the conclusion that my 12V rail on my PSU is faulty. The software SpeedFan (v 4.34) states that my 12V rail is only outputting 9.87V consistently. However, my BIOS reads that the rail it putting out 11.98V. Which should I believe? EVGA believes that because of the lack of power on my 12V rail causes frequent video crashes characterized by loss of monitor output as well as loss of keyboard/mouse function. Does this sound like a faulty PSU? Link to comment Share on other sites More sharing options...
Wired Posted August 17, 2008 Share Posted August 17, 2008 I'd believe the BIOS over the software, but the REAL test is a multimeter. at 10v, I don't think the PC would even turn on. Link to comment Share on other sites More sharing options...
Chief_10Beers Posted August 17, 2008 Share Posted August 17, 2008 As wired said, you should check the 12VDC BUS under Load with a DMM or a VOM. I don't trust what the softwear says. Case in point, I used to run MBM and I was getting 10.9VDC on the 12V Bus but my DMM was showing 12.0VDC so I ditched MBM.................. Link to comment Share on other sites More sharing options...
DejAJaVvuU Posted August 18, 2008 Author Share Posted August 18, 2008 Thanks -- got my hands on a analog multimeter, and the voltage came out to be within 5% of 12V. Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted August 18, 2008 Corsair Employees Share Posted August 18, 2008 Thanks -- got my hands on a analog multimeter, and the voltage came out to be within 5% of 12V. Glad to hear it is within spec, both software and BIOS readings can be off by quite a bit. With that said, I would not suspect a faulty PSU is causing the issues. Link to comment Share on other sites More sharing options...
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