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    6950 DCII Crossfire problems

    I had the profiles installed, but dident realise they had to be enabled seperatly in the CCC. Ive also changed my motherboard for one that can do PCIE x16 / x16, and not x16 / x4
  2. G

    6950 DCII Crossfire problems

    Just an update, I finally got this working right. Seems I dident have the catalyst profiles setup correctly. Games seem to be working correctly, almost getting double the fps now. :D
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    6950 DCII Crossfire problems

    As per your suggestion I tried out the 12.8 drivers, and I am able to enable crossfire without a BSOD using those drivers. However I am still not getting a performance increase in any of the games ive tried. Crossfire logo is displayed in the top right hand corner when playing those games. 12.8...
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    6950 DCII Crossfire problems

    Ran gpuz while playing some games, Second card seems to be running up to %90. However gpuz seems to have switched my cards, gpu1 is actually gpu2, and vice versa. Anyway to change this? It does show that the second card is "synchronized with master". Even if the second card is working, I am...
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    6950 DCII Crossfire problems

    I installed some earlier drivers, and have since got crossfire to enable. However I do not see any improvement in frame rates in BF3, its the same as running a single card. Dont have any other games installed at the moment to test. Using catalyst 12.1 right now.
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    6950 DCII Crossfire problems

    My motherboard has 2 pcie slots, one 16x and one 4x. As far as I know the second slot is locked at 4x. So could it be possible that there is not enough voltage to the 4x slot, and when I enable crossfire there is not sufficient power going to the second card so I get a BSOD? One is a blue slot...
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    6950 DCII Crossfire problems

    yep, tried the new one in BF3. And it works just as well as the old one does.
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    6950 DCII Crossfire problems

    I used ati winflash to save the bios from the good card, then used that to flash the 6970 back to 6950. So both cards now have the same bios. Both should now be identicle. Im going to uninstall the videocard driver, and go back to a much older one and see if that works. But I have my doubts.
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    6950 DCII Crossfire problems

    Took the good bios from the 6950, and flashed the 6970 back to stock 6950. But same thing happens when I try to enable crossfire in CCC, I get a BSOD. Flashed motherboard to newest bios, fresh install of windows, fully updated. Nothing else but chipset drivers and videocard drivers, and still...
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    6950 DCII Crossfire problems

    I think I narrowed the problem down to a bad bios on the second card, the one that was flashed to a 6970. Running just that card, and bios switch set to factory bios gpuz shows its stats as being a 6970, not a 6950 like it should. With bios switch set to second position, I get a BSOD on startup...
  11. G

    6950 DCII Crossfire problems

    Reinstalled drivers. Now whenever trying to enable crossfire in CCC system goes to BSOD. BSOD gives atikmdag.sys error.
  12. G

    6950 DCII Crossfire problems

    I was able to boot into windows with the crossfire bridges installed. However, now when I enable crossfire in the CCC I get a BSOD. When I restart and boot back into windows the graphics driver stops working.
  13. G

    6950 DCII Crossfire problems

    Motherboard is new, no overclocking done to it. Ive had the psu about 6 months. My motherboard supports crossfire, but seems to be maxed at 4x on the second pcie slot. Would this cause a problem? Everything works great, up until I put on the crossfire bridges and restart the pc.
  14. G

    6950 DCII Crossfire problems

    I recently purchased a second Asus 6950 DCII card (used) to use in crossfire with my existing one. Card works, and system runs fine until I install the crossfire adapter(s). System boots up but freezes on windows 7 loading screen with one, or both crossfire adapters installed, yet will boot...
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