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Graphics Crossfire and Windows XP x64 - help

Discussion in 'Hardware' started by Goreblast, 19 Mar 2007.

  1. Goreblast

    Goreblast What's a Dremel?

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    Before I state the problem here is a breakdown of the system hardware.

    Intel x6800
    Tuniq Tower w/ Delta fan (up to 150CFM!!!!)
    Asus P5W64 WS Pro
    4x1GB GSkill PC8000 HZ
    Sapphire X1900XT Crossfire Edition 512MB
    HIS X1900XTX 512MG
    Areca 1230 w/ 4xNEW 36gb Raptors
    2xOLD 36gb Raptors
    Soundblaster Xfi
    Tagan Dual Engine 800W PSU

    I have installed Windows Professional x64 Edition on a RAID 0 array. All updates, and most recent drivers for all enabled hardware.

    Catalyst drivers installed are 7.2 and directX9.0c. All is fine until I enable Crossfire. At this point I should point out that the two graphics cards have run in crossfire mode without problem in Windows XP Pro before I had a motherboard change and RAID array failure.

    Once Crossfire is enabled and you try running any of the Futuremark 3DMarks there is either a directX error or the system hangs with a black screen or you get a BSOD due to one of the ATI dll files. The system freezes if the Catalyst Control Centre when you try to change either 3D or video settings.

    It there a problem with 64bit systems?
    As stated the same system ran this fine under XP Pro.

    Any help appreciated.
     
  2. Mother-Goose

    Mother-Goose 5 o'clock somewhere

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    It maybe that those version of the drivers do not support crossfire in vista 64-bit. Are they 64-bit vista drivers?!
     
  3. Goreblast

    Goreblast What's a Dremel?

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    Yep they are the 64-bit drivers
     
  4. alexia_net

    alexia_net What's a Dremel?

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    Hi. The only way you are going to make crossfire work is to use Vista 64. I have tried xp pro 32 and vista 32 and no luck. I will try XP 64 too, but it works ok with vista 64.
     

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