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Why does Afterburner set incorrect voltage?

post #1 of 8
Thread Starter 
My stock voltage is 1.087. Let's say i wish to set it to 1.088..then i hit apply and surprise, Afterburner sets it back to 1.087.

If i set it to 1.095 it automatically goes to 1.100.

Why does afterburner do all this crap? I can't OC a card like that if the voltage would spike to higher values just like that.
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post #2 of 8
Afterburner does not allow for specific voltage settings like that, as far as i know. There are specific "jumps" instead. Same happens to me. The next "jump" from 1.000v on my 450's is 1.012v. and my cards are MSI.
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post #3 of 8
Thread Starter 
But what if then, by accident i overvolt the card....

Because of these jumps, yesterday i saw that the VRMs were 102 celsius...had to downvolt to cool them.
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post #4 of 8
Usually AB knows the max volts of a card (it does know the 1.138v limit of my 450's and won't let me go past that once i click on apply, even tho the slider can go all the way up to 1.25v). If not, Google the max volts of your card, or ask in the forums.
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post #5 of 8
If that one increment jumped your temps(dont know what they were before, only know that they ended up at 102) that much, sounds like your oc is topped off until you either get additional cooling, or you are at your peak.

*edit* Don't most motherboards also have incremental voltages as well? The last 3 or 4 I've owned did.
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post #6 of 8
Asus SmartDoctor does the same...
cards have set voltage jumps.
    
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post #7 of 8
Thread Starter 
They should at least make the slider show the correct voltage. :|
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post #8 of 8
Quote:
Originally Posted by farmdve View Post
They should at least make the slider show the correct voltage. :|
it does when you hit apply.

the issue is... i don't think that afterburner actually knows what the jumps are... but when it tries to set it... the BIOS corrects it.
    
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