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[SOLVED] 6850CF bf3 both gpu stuck at 40% - Page 2

post #11 of 20
Vsync off,good.

I see you have your CPU at 3.2Ghz,can you get it higher that this?

EDIT:

Reason is ask is that i play BFBC2 and my i7930@4Ghz isnt enough for my GTX480,i have to clock it to 4.2Ghz or i see frequent FPS drops.

Also which PSU are you using?
Edited by superj1977 - 2/20/12 at 1:36pm
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post #12 of 20
Thread Starter 
Yeah but honestly I don't think that matters too much my cpu load in game is around 70%.
post #13 of 20
Quote:
Originally Posted by cdxliv View Post

all the power connectors are properly attached, temperatures are really good.... too good infact, 55 is the highest i have seen.

Yes the temp is too good. Are the cards downclocking?
    
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post #14 of 20
Thread Starter 
cards are running at the right clocks 850-1100.

here's the bizzare part the gpu load seem to be scaling, at medium settings i still get around 40fps but the load is around 40% at ultra setting i get around 40fps but the load is around 70%. What is happening. It feels like the gpu is trying to conserve power or something.
post #15 of 20
if i were you uninstall 12.1 can caps and install 12.3 + 12.1 cap3, my gpu's jumped up to 90% usage
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post #16 of 20
Thread Starter 
I will try that now, hopefully it was just a driver issue. what cards were you using?
post #17 of 20
Try overclocking a bit more... 6850 XFire is no slouch, and neither is Nehalem, but if you have the cooling, push it further. If you can hit 3.8 or so, definitely try. You could also try disabling Hyper-Threading(probably not the solution but it's worth a try)

Report back.
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post #18 of 20
Thread Starter 
tried 12.3 with 12.1 cap3 same issue, low, medium setting 40% gpu load, high setting 60% gpu load, ultra 80% load at 40fps. I just wanna have 60+ fps on mid-high setting. but the cards just are not at load at those setting.
post #19 of 20
Thread Starter 
SOLVED!!!!!

So, I have always had direct x errors starting the game, so I always ran bf3 in Windows 7 Compatibility mode which disabled aero and ran as admin. Plus this was suggested on the bf3 crossfire common issue thread.

For some reason running it in compatibility mode prevents both card from going 100%. So I disabled compatibility mode and voila 99% on both cards. and 60fps in ultra mode. Now i have to deal with the occasional directx error while starting the game, but at least the game runs at full speed.
post #20 of 20
Quote:
Originally Posted by cdxliv View Post

SOLVED!!!!!
So, I have always had direct x errors starting the game, so I always ran bf3 in Windows 7 Compatibility mode which disabled aero and ran as admin. Plus this was suggested on the bf3 crossfire common issue thread.
For some reason running it in compatibility mode prevents both card from going 100%. So I disabled compatibility mode and voila 99% on both cards. and 60fps in ultra mode. Now i have to deal with the occasional directx error while starting the game, but at least the game runs at full speed.

I had a directX error in the beta, and just reinstalled windows and never had a problem again.

Anyways, glad your fixed up!
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