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HX620 strange -12v readings


gcwebbyuk

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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?

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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

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  • 3 months later...

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.

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  • Corsair Employees
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.
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