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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 1647

post #16461 of 38701
Quote:
Originally Posted by Luca T View Post

I have a 7970 liquid-cooled with fullcover, I overclocked at 1200Mhz GPU and 1500mhz RAM but I need 1237mv to be full stable in every game (Batman 1 gave problems and I had to rise voltage)!
Is it too much?
Which is the safe voltage limit?

This is fine. 1.3v is the limit for 24/7 in my mind. If its not up 24/7 up to 1.35v is good. I run my lightnings at 1.33v/1.7v for 1310/1800. All three are water cooled.
     
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post #16462 of 38701
Quote:
Originally Posted by jerrolds View Post

Heaven is a good start - but its not fool proof imo, neither is Furmark.
When i was overclocking my 7970, it would be stable in Heaven for hours, as well as Furmark (just hotter) - but when i ran actual games - i would notice artifacting/instability.
I used Max Payne 3 and Left 4 Dead 2 (the games i played at length) - those 2 games would show issues pretty early even though Heaven/Furmark was fine. I guess still running your system through real world apps for a while before you consider it stable.
1237mv is pretty high - whats the default voltage? Mine has 1050mV as default, and i was able to hit 1200/1700 on stock air (XFX Core 7970) with 55% fan speed...but it would artifact even at 1160mv...i just pulled it back a bit and settled on 1150/1650 at 1150mV.
I suppose if the temps are fine its ok - i think when its liquid cooled slightly different rules apply.

Testing more In game and found out I need 1243mv to be stable in Batman 1!
Anyway Max temperature showed by GPU-Z is 35*C in game!

Ps: my default voltage is 1175mv
Edited by Luca T - 10/3/12 at 12:20pm
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post #16463 of 38701
What is the maximum temp you should expect out of VRM1 in gpu-z? for example my gpu was 59c/VRM2 62c/VRM1 103c. Why is VRM1 so much higher than the rest, is it a faulty reading?
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post #16464 of 38701
Quote:
Originally Posted by Luca T View Post

Testing more In game and found out I need 1243mv to be stable in Batman 1!
Anyway Max temperature showed by GPU-Z is 35*C in game!
Ps: my default voltage is 1175mv
That seems to be very very cool for load temps. Either your under a crazy water setup, or its fairly cool where your at. Considering thats cooler than most peoples cards idle at. . .
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post #16465 of 38701
Quote:
Originally Posted by Rebelord View Post

That seems to be very very cool for load temps. Either your under a crazy water setup, or its fairly cool where your at. Considering thats cooler than most peoples cards idle at. . .

For CPU and GPU I have Two pomps and a Mora 9x120
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post #16466 of 38701
Quote:
Originally Posted by Luca T View Post

For CPU and GPU I have Two pomps and a Mora 9x120


Haha, that's awesome, a single 9x120 for two blocks!
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post #16467 of 38701
Quote:
Originally Posted by Ganf View Post

Nothing a sexy stainless steel backplate won't fix.
Also thick enough to deflect small caliber bullets. Seriously.


The vapor x isn't a reference card though? And its not water cooled so how would that work or will it still work? Lol
post #16468 of 38701
Quote:
Originally Posted by Aspec89 View Post

The vapor x isn't a reference card though? And its not water cooled so how would that work or will it still work? Lol

It wouldn't work at all.
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post #16469 of 38701
He's not talking about cooling it - he's referencing a post that talks about a card bending under its weight with insufficient support.
   
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post #16470 of 38701
Quote:
Originally Posted by ElevenEleven View Post

He's not talking about cooling it - he's referencing a post that talks about a card bending under its weight with insufficient support.

Vapor-X has different mount points so how's he simply going to screw it on right?
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