gcwebbyuk Posted January 29, 2010 Share Posted January 29, 2010 I have a UK HX620 PSU. All seems to be fine, but both SmartFan and HWMonitor show the -12v rating as anything from -6v up to -14v. At present it is reading -8.16v Some previous examples: http://i284.photobucket.com/albums/ll9/gcwebbyuk/PC/SpeedFan.png http://i284.photobucket.com/albums/ll9/gcwebbyuk/PC/SpeedFan2.png http://i284.photobucket.com/albums/ll9/gcwebbyuk/PC/SpeedFan3.png http://i284.photobucket.com/albums/ll9/gcwebbyuk/PC/HWMonitorLoad.png Do I have a faulty PSU? Link to comment Share on other sites More sharing options...
Yellowbeard Posted January 29, 2010 Share Posted January 29, 2010 Software voltage readings are not at all reliable. Are you having stability issues? Link to comment Share on other sites More sharing options...
gcwebbyuk Posted February 1, 2010 Author Share Posted February 1, 2010 No all seems stable It is a similar reading in various pieces of software, HWMonitor, Speedfan, AMD Overdrive. I think it may be a sensor issue on the motherboard, as there are some other weird issues. I think the PSU is ok (for the time being) :) thanks Link to comment Share on other sites More sharing options...
gcwebbyuk Posted May 18, 2010 Author Share Posted May 18, 2010 I am still experiencing this issue with the -12v reading, and also the -5v reading. Is there any way I can test this properly, rather than rely on software sensors? As for stability - things seem OK, but I get very poor results with any overclocking of the CPU. Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted May 18, 2010 Corsair Employees Share Posted May 18, 2010 The fact that there is no -5 volt rail on any of our PSUs (or any other ATX12v 2.0 or newer PSUs) should help prove that the software is not accurately reading the negative voltage values. I would not suspect that the PSU is hindering your CPU overclock in any way. Link to comment Share on other sites More sharing options...
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