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Gtx 580 fan setting only goes to 85% in afterburner

post #1 of 7
Thread Starter 
Msi Afterburner will only let my gtx 580 go to 85% fan speed. When the bar is slid all the way to the right, 85% is the max. Is this the same with everybody's? I couldn't find anything on google when I searched about this issue.
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post #2 of 7
Yeh, it was done on purpose.
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post #3 of 7
Yes it is the same for the 570s too..
Here is the Unlocker for the 580s tho, Straight from EVGA
EVGA Fan Unlocker
post #4 of 7
Thread Starter 
hmm thanks guys, why do you think they put a cap on it? why not lower the highest rpm it can go, then recalibrate it to say 100% if thats what they were trying to get after idk
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post #5 of 7
Quote:
Originally Posted by brkbeatjunkie View Post
hmm thanks guys, why do you think they put a cap on it? why not lower the highest rpm it can go, then recalibrate it to say 100% if thats what they were trying to get after idk
Who knows, read the precautions EVGA put on their unlocker. Maybe it can significantly shorten the life of the cooler. Should net you 2-5c though I would imagine under load.
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post #6 of 7
Thread Starter 
Quote:
Originally Posted by tconroy135 View Post
Who knows, read the precautions EVGA put on their unlocker. Maybe it can significantly shorten the life of the cooler. Should net you 2-5c though I would imagine under load.
Yeah, it just doesn't make sense to me. If putting the fan past a certian rpm could shorten the life of the cooler, then why not put the 85% rpm speed as the upper specified limit, or 100%?
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post #7 of 7
Quote:
Originally Posted by brkbeatjunkie View Post
Yeah, it just doesn't make sense to me. If putting the fan past a certian rpm could shorten the life of the cooler, then why not put the 85% rpm speed as the upper specified limit, or 100%?
It's mostly based on the fan controller and most likely since it auto detects the maximum voltage of the fan and RPM's using the Speed Control that you can't set 85% as the maximum 100%.

They would have to manually lower the fans power draw so that the RPM's lowered but since they are reference cards it's easier to just reflash it with a locked fan bios and give you precautions when they release an unlocked bios.
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