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post #41 of 52
Thread Starter 
but if i crank up fan speed no problem's. how does fan speed affect VRM temps?

however. to loud. and this wasnt necessary before..
    
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post #42 of 52
Quote:
Originally Posted by Yoko Littner View Post
but if i crank up fan speed no problem's. how does fan speed affect VRM temps?

however. to loud. and this wasnt necessary before..
It was not before but from the heat they might degraded a bit. I cant rum may card over 78C because it will crash after that. This meas the VRMs are hitting 100C+. I can OC the card to 950Mhz with stock voltage and fan to 100% but not worth it.
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post #43 of 52
Quote:
Originally Posted by Yoko Littner View Post
but if i crank up fan speed no problem's. how does fan speed affect VRM temps?

however. to loud. and this wasnt necessary before..
If the cooler on the 6870 is anything like the 5870, then the vrm sink is integrated into the main cooler.
Faster fan speed equals higher flow across the dedicated heatpipe of the vrms.


Attachment 192156
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post #44 of 52
Gelid Icy Vision is dual slot but i've no idea how good it is at keeping VRM temps low, or not.

Quote:
Originally Posted by grunion View Post
If the cooler on the 6870 is anything like the 5870, then the vrm sink is integrated into the main cooler.
Faster fan speed equals higher flow across the dedicated heatpipe of the vrms.
You are indeed correct, it shares a similar cooler design to the 5800 cards, the "full-length" plate on the card seems to cool the memory chips and vrms and such. Doesn't look all too amazing to be honest, as aftermarket sinks would do a better job with enough airflow though to get good temps you would have to turn the fans up pretty high.

Edited by Razi3l - 1/25/11 at 12:49pm
    
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post #45 of 52
Thread Starter 
the icy vision's are 58mm H
    
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post #46 of 52
Quote:
Originally Posted by grunion View Post
If the cooler on the 6870 is anything like the 5870, then the vrm sink is integrated into the main cooler.
Faster fan speed equals higher flow across the dedicated heatpipe of the vrms.


Attachment 192156
True,but still if core temps have been as high as previously stated then what temps have the vrms seen?

EDIT:

My card in rig now(water cooled-5870) at idle stock clocks and default voltage with no use in days shows the vrms to be 6 degrees hotter than the core.

If the cores on these 6870s have hit 90 degress then im sure the vrms are likely to have hit some very high temps well possible of causing damage.

Edited by superj1977 - 1/25/11 at 1:04pm
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post #47 of 52
Quote:
Originally Posted by Yoko Littner View Post
but if i crank up fan speed no problem's. how does fan speed affect VRM temps?

however. to loud. and this wasnt necessary before..
OK. So either you crank up the fan speed to keep the cards cool, or downclock the cards to keep them quiet. Pick one. Obviously the heat has started to show it's affect on the cards. I personally will never let my cards get to 80C. And the way I have the fan profile now, they dont even touch 70. They only get that hot under load which means I am gaming and wont really notice the loud fans anyways.
   
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post #48 of 52
Quote:
Originally Posted by Yoko Littner View Post
the icy vision's are 58mm H
Apparently Icy Vision is only 2 slots and you can get lower height fans for it or something, last i read.
    
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post #49 of 52
Thread Starter 
Meh

Quote:
Originally Posted by Wildcard36qs View Post
OK. So either you crank up the fan speed to keep the cards cool, or downclock the cards to keep them quiet. Pick one. Obviously the heat has started to show it's affect on the cards. I personally will never let my cards get to 80C. And the way I have the fan profile now, they dont even touch 70. They only get that hot under load which means I am gaming and wont really notice the loud fans anyways.
    
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post #50 of 52
Thread Starter 
where can i get them? the dual slot kit or whatever lol


Quote:
Originally Posted by Razi3l View Post
Apparently Icy Vision is only 2 slots and you can get lower height fans for it or something, last i read.
    
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