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any 4850 crossfires out there with oc?

356 Views 6 Replies 3 Participants Last post by  We Gone, 
C
I cant seem to oc these things at all.

they overclock fine, one at a time. but not in crossfire

some one shed some light please

got the new visiontec 4850s the revised ones that dont get over 50c
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grunion
Quote:


Originally Posted by collateral
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I cant seem to oc these things at all.

they overclock fine, one at a time. but not in crossfire

some one shed some light please

got the new visiontec 4850s the revised ones that dont get over 50c


Could you elaborate please?

They don't achieve the same speeds as they did when single, or they won't oc at all?
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We Gone
Have you tried the auto overclock in CCC? Does GPU-Z show both cards with CF ?
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Quote:


Originally Posted by We Gone
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Have you tried the auto overclock in CCC? Does GPU-Z show both cards with CF ?

I use the ati catalyst center. when i try to do the auto oc . it gets up to 655 core and 1043mem. on both

however its not stable there.

or anywhere near it.
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We Gone
Have you tried to reinstall the drivers after you hooked up CF? I had a stabilty issue when I first set up CF and it was a power supply issue..but I see you should have that covered.
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C
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Originally Posted by We Gone
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Have you tried to reinstall the drivers after you hooked up CF? I had a stabilty issue when I first set up CF and it was a power supply issue..but I see you should have that covered.

yes.

power isnt an issue.
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We Gone
This was posted a while back..Hope it helps ya.

http://www.tweakguides.com/ATICAT_1.html
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