Unable to raise voltage on 680 GTX

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Pilotito

Distinguished
Mar 10, 2012
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18,530
Intel i5 750 @ 2.66 GHz
Asus P7P55D LE
Gskill Ripjaws DDR3 2x4GB 1600mhz
MSi N680GTX Twin Frozr II OC Edition
PSU Corsair TX750M
Windows 7 64 Ultimate

I'm trying to raise the voltage on my videocard using MSI Afterburner 2.3.1 and it wouldn't let me. I'm able to set the offset but the videocard will simply ignore it and reset it to the current value.

The voltage without load is 0.987 and on full load it reaches 1.175. I tried doing the same with the last version of EVGA Precision X and the result would be the same.

In both cases the offset is set but the voltage level remains the same on the charts.

How can I raise the voltage levels?
 
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Guest

Guest
Flashing unlocked BIOS probably won't help much either. You have a factory overclocked version which already may be at it's maximum stable overclock. Just curious, why are you wanting to raise the voltages? Are you trying to get more out of the overclock?
 
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Guest

Guest
The 680, like other Kepler cards, when idle will lower clock and voltage to minimum. This is completely normal. Try disabling the power management features in the NVidia control panel [3D Settings->Manage 3D Settings->Set Power Management Mode to Maximum] and see if your issue is resolved. It may not be a bad idea to call MSI technical support about this. They may offer to replace the card if they determine it to be defective.
 
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Pilotito

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Mar 10, 2012
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I just did that and today the problem persists. And again, after the black screen and the driver recovering, voltage won't rise over 0.987v (before the event was 1.125 with some load) no matter what I do next, causing that every thing that demands GPU will cause again a black screen and driver recovery. I mean, I was just browsing sigh...

Any other suggestions? Should I try updating Windows?

Yesterday I hadn't any incidents, I did a lot of browsing and played League of Legends for hours. Completely random and not load related.
 
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Guest

Guest
I see you posted this issue to Nvidia's gforce.com forum. I hope you get better info there. From what I can tell, your voltages on your 680 are normal. What you are noticing as a voltage drop is called "vdroop". MSI may have a BIOS update that fixes voltage issues. You may want to call them as I suggested in an earlier reply.
 
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RussK1

RussK1

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Apr 15, 2011
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http://www.overclock.net/t/149879/howto-nvidia-bios-flashing

Use Kepler Bios Tweaker to modify your bios and Nvflash. Make sure to make a backup ROM.

Need any help in changing values just upload your original bios to mediafire or mega upload and I'll modify for you and re-upload.

There are dangers with increasing voltage so this would be entirely on you, although I haven't heard of anyone permanently damaging a card due to a voltage of 1.235v (1.215mV).

But like mentioned above, if the card is crashing on stock clocks then something is wrong. I'd contact the manufacturer.
 
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