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Having voltage issues with Sapphire 7950 3L

post #1 of 12
Thread Starter 
Using trixx I set core to 1200 and mem to 1700, setting core voltage to 1.3

Everything seems to work great and this OC is stable but all voltage monitoring software is showing 1.25?

also no matter what i try i can not get MSI Afterburner, my OC software of choice, to allow voltage changes on this card, i have followed every guide.
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post #2 of 12
I believe your card has locked voltage, but hopefully someone can confirm that.

Is this your card?

http://www.sapphireforum.com/showthread.php?29785-7950-Vapor-X-Fix-the-Voltage!!!
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post #3 of 12
I read this thread and just did a quick test my Sapphire 3L using Trixx just to see it would show in GPU'Z and it did.


post #4 of 12
Thread Starter 
Quote:
Originally Posted by jayhay View Post

I believe your card has locked voltage, but hopefully someone can confirm that.

Is this your card?

http://www.sapphireforum.com/showthread.php?29785-7950-Vapor-X-Fix-the-Voltage!!!

thanks for the reply. My card is voltage unlocked. it is not the vapor-x shown above.
thanks.
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post #5 of 12
Thread Starter 
OK - looks like GPU-z does report voltage.... but not a lot of other things are correct...

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post #6 of 12
lol ok I kind of misread/understood your post I thought you meant if you set your voltage between 1.25.-1.3v it would only show 1.25 or meaning that is high as it would show or go. So since I never took my card over 1.25 I wanted to see if mine was the same so I temporally set mine to 1.27 just to see if it would read/go over 1.25v after reading your post. So what you were saying is at any volt setting it would only read 1.25 with the software monitoring program (s) you were using, got it now. smile.gif
Edited by Fastx - 4/6/13 at 8:10pm
post #7 of 12
What? 2.5-2.7v? I think that's impossible.
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post #8 of 12
I meant 1.27 and or 1.25-1.30V.
post #9 of 12
Quote:
Originally Posted by mikepahl318 View Post

OK - looks like GPU-z does report voltage.... but not a lot of other things are correct...


Your card is throttling back to stock clocks - most likely you did not increase the power limit to +20%.
post #10 of 12
Thread Starter 
Quote:
Originally Posted by glina View Post

Your card is throttling back to stock clocks - most likely you did not increase the power limit to +20%.

why should I have to do that? i was told to keep away from CCC for overclocking. most guides demand that is be disabled.

i am using trixx as shown in the image not CCC
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