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Overclocking 660Ti PrecisionX

post #1 of 6
Thread Starter 
I try to overvolt my GTX660Ti to 1.15 volts, like it says in the official 670 overclocking guide, but PrecisionX automatically downvolts it to 986mv unless I set it on k-boost. Help?
post #2 of 6
youre not actually overvolting the card. the only way to overvolt is using a modded bios. setting the max voltage in prec-x and ab only sets the minimum voltage the card will run at if you set max performance in nvidia control panel.
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post #3 of 6
Thread Starter 
AB? What's AB? How do I set max performance?
post #4 of 6
ab = msi afterburner

nvcp = nvidia controlpanel
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post #5 of 6
Thread Starter 
Quote:
Originally Posted by pc-illiterate View Post

ab = msi afterburner

nvcp = nvidia controlpanel

I get that. Should I try afterburner instead? I mean, I thought it was supposed to allow you to lock the voltage.
post #6 of 6
it doesnt 'lock' the voltage. it sets minimum voltage when your card(s) is(are) under load.
i use ab because ive had less problems and it may sound strange but ab overclocks are more stable for me. i cant clock as high but they are definitely more stable for ME.

notice the max voltage graph
no load voltage


loaded voltage. this is running bf4 with frames capped at 72fps. running adaptive vsync so the cards are not actually 100% loaded but as you see, 100% voltage.
w00t
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