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0% CF scaling - Page 3

post #21 of 89
Thread Starter 
Does it matter if I have 2 crossfire bridges on at once?
post #22 of 89
You only need 1, make sure A1 is attached to the top card.
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post #23 of 89
Are you using the latest CF profiles from AMD? If no profiles, then it's not going to work right
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post #24 of 89
Thread Starter 
Just tested the new card by its' self. XFX 6970. In Crysis 2 @4800x900 = avg 50fps @1600x900 = avg 110fps. Now I'm gonna pop the other card back in and re-run the test. That's some pretty good fps for just 1 card!
post #25 of 89
Thread Starter 
This is a joke.... I'm super burnt right now. So I switched the cards around. Put the new XFX up top and the PC below. Fired up Crysis 2 and FPS are now at avg 75fps @1600x900 and dropped to 30fps @4800x900... Is there anyway I can test to see how much power my system is drawing? and not a power calculator.. How is my scaling negative.. Both cards are at 99% while gaming..
post #26 of 89
Are you using the latest crossfilre profiles?????????????????????
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post #27 of 89
Thread Starter 
Yes!
post #28 of 89
Open up afterburner and run a game to see if your cards are possibly throttling. 850w is more than enough if it's a decent psu but thats a Thermaltake psu and is terrible. Also try downloading earlier drivers.

Edit: Overclock the northbridge to 2.6ghz and you should see an improvement.
Edited by nbmjhk6 - 5/18/11 at 1:49pm
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post #29 of 89
Sounds like CPU bottleneck to me. 4x PCIe slot isn't helping either.

Have you ran 3DMark Vantage/11 yet? Post the graphics scores of those 2.
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post #30 of 89
I was wondering when the bottleneckers were gonna show up lol
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