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AMD Radeon 6990 Club - Page 352

post #3511 of 4103
I am back now on ati 6990 running at position 1 switch 880mhz and running great other than input lag or mouse lag.

11.10 driver revision 3 with cap 4
had to reduce msaa to off because of fps drops like crazy
-weird thing is when I alt tab the game two things happened
1. with msaa on somehow theres no crazy fps drop anymore
2. both cores work again doubling the fps/ i have ulps at 0 btw

fps averages around from 80-150 now which is great. Tearing barely happens too with vsync off. I leave vsync on just because it doesnt overly work the 6990 so its not as loud and hot.

-The only thing I see that still needs to be fix is
game crashing when changing any settings
-one core only working sometimes
-smoothness can be better, could be microstutter (on my sli 480gtx it was perfect..)

Anyone got any ideas for input lag or mouse lag? i got a g9x with setpoint. One thing that sometimes irritate me is there is sometimes this high frequency sound that comes from the graphics card, is that normal?
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post #3512 of 4103
Quote:
Originally Posted by CallsignVega View Post
Even on a fresh windows install it is doing that? That is most unusual. Have you tried different drivers?
yes I've tried 11.9 and 11.10 preview3

Quote:
Originally Posted by ezveedub View Post
Atiman uninstaller ran under admin account is what I would do before doing OS re-install for driver corruption.

http://www.mediafire.com/?76yfas13pwcnhq6

Swap drivers to make sure its not the issue also.
I did try using Atiman Uninstaller under admin but it did not fix the problem either. I also tried driver sweeper but still had problems. Im wondering if it could be a problem with my mb not reading my cards correctly or maybe the cards themselves? Ive even tried reflashing the bios on the switch 1 position with stock bios from techpowerup and it didnt help.
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post #3513 of 4103
still having problems with bf3 only getting 30-40fps, had it working fine for a hr now back to normal, i installed some more games and found crossfire working fine.
i have noticed when i am in game gpu2 is on full load gpu1 is on 0, but when i exit ingame to desktop the loads switch gpu2 becomes 0 and 1 has some load
why is this? has anyone any ideas, i have just downloaded latest drivers but no good,
can someone explain when you suppose to press alt and tab and what it does?
thanks
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post #3514 of 4103
Quote:
Originally Posted by maka12 View Post
still having problems with bf3 only getting 30-40fps, had it working fine for a hr now back to normal, i installed some more games and found crossfire working fine.
i have noticed when i am in game gpu2 is on full load gpu1 is on 0, but when i exit ingame to desktop the loads switch gpu2 becomes 0 and 1 has some load
why is this? has anyone any ideas, i have just downloaded latest drivers but no good,
can someone explain when you suppose to press alt and tab and what it does?
thanks
I too am having problems with the 6990 and this game. It has this stuttering feeling when both GPUs are being used. Also it is not a nice even scaling. GPU 2 will not reach full usage consistently. When I switch the game to windowed mode the stuttering goes away, but then GPU will not be utilized. I still haven't tried the official 11.10 drivers, but AMD says "they are pretty much the same." My cpu should not be a problem either, so no bottlenecks for me.

I am running 11.10 v3 with cap 4. I tried every cap and driver combo. Maybe the official ones will work
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post #3515 of 4103
It sounds like the official 11.10 drivers are the same as v3 for BF3. There still working on a cap to help with crossfire.
post #3516 of 4103
Quote:
Originally Posted by HiLuckyB View Post
It sounds like the official 11.10 drivers are the same as v3 for BF3. There still working on a cap to help with crossfire.
Any kind of odd problems on your rig? Stutters, crashes, black screens, scaling or the like? This 6990 is pretty tricky to get working correctly with BF3.
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post #3517 of 4103
Quote:
Originally Posted by Duknov007 View Post
Any kind of odd problems on your rig? Stutters, crashes, black screens, scaling or the like? This 6990 is pretty tricky to get working correctly with BF3.
No, Thats whats odd I haven't had any problems at all with just my 6990 or my 6990+6970. 60-100fps with my 6990, And 95-140fps with my 6990+6970. I even have HT On, I know some people have have better luck with it off.
post #3518 of 4103
Thanks for letting me know. I once debated adding another 6990 or a trifire setup like yours, but then realized I don't even run Eyefinity. This 6990 alone should do the trick, but drivers hinder me right now. I am only running 1920x1200 and it stutters or will hitch around occasionally when 2 GPUs are being used. (doesn't stutter in single gpu)

The Render.perfoverlayVisible 1 commands is a great way to see spikes in gpu and cpu utilization and find any bottlenecks.

More about it here: http://www.battlefield3online.com/so...commands/2991/
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post #3519 of 4103
Quote:
Originally Posted by Duknov007 View Post
Thanks for letting me know. I once debated adding another 6990 or a trifire setup like yours, but then realized I don't even run Eyefinity. This 6990 alone should do the trick, but drivers hinder me right now. I am only running 1920x1200 and it stutters or will hitch around occasionally when 2 GPUs are being used. (doesn't stutter in single gpu)

The Render.perfoverlayVisible 1 commands is a great way to see spikes in gpu and cpu utilization and find any bottlenecks.

More about it here: http://www.battlefield3online.com/so...commands/2991/
Have you tryed turning HT Off on your CPU if you have it on?
post #3520 of 4103
I have tried the HT disabled as well.
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Lian Li PC-A70F Asus Xonar Xense 
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