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Zotac GTX 580 brand new, artifacts already? - Page 2

post #11 of 85
Keep in mind that the voltage could be wrong both ways.
Customer reports have shown that some voltages were also too high.

So logically you should first try to decrease the voltage a bit and test if the instabilities vanish before you increase it thumb.gif
Edited by Kung Pow - 9/17/11 at 4:20pm
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post #12 of 85
Thread Starter 
Quote:
Originally Posted by Kung Pow;14971427 
Keep in mind that the voltage could be wrong both ways.
Customer reports have shown that some voltages were also too high.

So logically you should first try to decrease the voltage a bit and test if the instabilities vanish before you increase it thumb.gif

Hey, I read through the Zotac thread you posted up...the guy ending up saying something about his SLI bridge? I don't see anything regarding voltage though...oh well, I'll still keep this in mind biggrin.gif

Also their forum seems real dead...I hope its not how the RMA department treats customers...lol
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post #13 of 85
Thread Starter 
Okay guys I dunno if I am crazy or what not

But I am running another OC scanner with STOCK clocks and volts...the only thing I've changed is the fan speed...which I bumped it up to 85% (max allowed for this BIOS, wish zotac would provide a fan unlocker)...well I am 35 mins in OC scanner without a single artifact...before with stock fan, I would get at least ONE artifact within 5 minutes or so

So this could be a cooling issue?
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post #14 of 85
Quote:
Originally Posted by steven88;14971703 
Okay guys I dunno if I am crazy or what not

But I am running another OC scanner with STOCK clocks and volts...the only thing I've changed is the fan speed...which I bumped it up to 85% (max allowed for this BIOS, wish zotac would provide a fan unlocker)...well I am 35 mins in OC scanner without a single artifact...before with stock fan, I would get at least ONE artifact within 5 minutes or so

So this could be a cooling issue?

It's a combo of both Cooling and Voltage.

The hotter the card, the more voltage is needed. The cooler the card, the less voltage needed.

I personally would just add a notch in voltage so the fan isn't as loud underload.
    
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post #15 of 85
Thread Starter 
Quote:
Originally Posted by MrTOOSHORT;14971728 
It's a combo of both Cooling and Voltage.

The hotter the card, the more voltage is needed. The cooler the card, the less voltage needed.

I personally would just add a notch in voltage so the fan isn't as loud underload.

For sure! Yeah 85% is pretty loud...I'll def setup some kind of fan profile to games...but I really don't mind, since most of the time I do have headphones on...and I can't hear nada even with the fans real loud...during the day time, I do like to play with my speakers though

Its kinda sad to see manufactures sell OC cards but some aren't stable...its like, damnit, you should have tested it thoroughly before it left the factory....and I know its not my case either...haf x ftw
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post #16 of 85
@MrTOOshort: Increasing the voltage also increases heat, hence would require more cooling ability, which means the fan would have to spin at a higher setting and be louder, not quieter.

I think we had already cleared up that the "stock" volts of your card cause artifacts due to the BIOS having wrong values:)
So if you reset your volts to Stock with an overclocking tool, it will get the values from the card´s BIOS and set them as stock which will then result in artifacts since it is a wrong value.

You need to manually find the optimal voltage for your card and then leave it at that.
It has nothing to do with cooling in this situation only with the right adjustment of voltage.

Like I said, just test a couple of different voltages and see if instabilities (artifacts) occur, at the point on which they won´t anymore you have found your optimal voltage and then leave it at that^^
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post #17 of 85
That's why you should not buy something that's not from evga, Asus or MSI (basically).
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post #18 of 85
@ Kung Pow

I'm talking about up the voltage a notch which would help stabilty in this case and keep the auto fan profile, which is pretty quiet. The hotter the card runs the more voltage is needed to keep it stable until ofcourse nothing will help beyond a certain point when the card reaches it's max clocks.

But if you just up the fan speed instead, that will also help in keeping the card stable as cooler cards can reach better clocks with lesser voltage, same thing with cpus.

I disagree with your point of lowering the voltage to gain stability, but that's your opinion.
    
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post #19 of 85
Can't you maybe return the card and get something from MSI or ASUS. You know, something that's perfect from the start. I hear EVGA has some pretty good 580's too. biggrin.gif
post #20 of 85
Thread Starter 
Quote:
Originally Posted by Saizer;14971804 
That's why you should not buy something that's not from evga, Asus or MSI (basically).

evga has some quality stuff...i'll agree with that smile.gif
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