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Thread: Crosshair V doesn't recognize my 2 Nvidia cards

  1. #1

    Crosshair V doesn't recognize my 2 Nvidia cards

    Here is my system;

    System:
    27" LG HD Monitor
    Windows7 Ultimate 64 Bit
    Antec Dark Fleet DF-85 Case
    ASUS Crosshair V Formula Motherboard
    AMD Phenom II X6 1090 Processor @ 3.2 GHz
    Creative Sound Blaster X-Fi Titanium Fatal1ty Champion Series PCI Express Sound Card
    16.0 GB 1333mhz DDR3 Installed RAM
    2 X Nvidia GTX590 EVGA Limited Edition
    Logitech z5500 Speakers
    Logitech G700 Mouse
    Logitech G13 Game pad
    Logitech G35 Headphones
    Logitech G25 Steering Wheel
    Logitech G940 Flight Control System
    Razer BlackWidow Ultimate Mechanical Keyboard
    Flexiglow's Cyber Snipa Gamepad
    2 X Seagate 1.5 TB Hard drives
    2X Western Digital 1 TB Black Edition Hard drives

    Now the only Nvidia drivers I could find is 275.33. Even though I have both GTX590 properly installed, they both show up in the control panel, but SLI is not even displayed so I can turn it on. I do not understand.

    Please help.

  2. #2
    TeamROG Moderator xeromist +30 xeromist's Avatar
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    Do you have the SLI bridge installed? If so you may want to try removing it and re-seating it. You also should be able to enable SLI without the bridge, just as a test. The performance may not be as good but it should work.

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  3. #3
    Super Moderator Praz +20 Praz's Avatar
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    nVidia has not released drivers yet that allows SLI on the 990 boards. I'll ask if it is possible to upload drivers that do support SLI. Another option is to mod the inf file of the drivers you currently have.

  4. #4
    Yes the SLI bridge is installed, I picked up the second GTX590 yesterday with the motherboard and powersupply. Since Praz's reply indicates a non-existant driver issue, if he is correct, then that could probably be the answer. I guess that having 2 GTX590's on the Crosshair V, is still fairly unique.

    SLI is not even indicated within the control panel itself. Multi GPU is the only thing I can enable...

    Whats interesting about all this is; when I went to the geforce Automatic Detection site, it recognized both cards in SLI. Its just not enabled in the control panel.

  5. #5
    I don't mind altering the .ini files if someone can let me know what I should change. Perhaps the location of the .ini file and the line/lines I must change to enable the SLI function to actually work, would be most excellent.

  6. #6
    ROG Member Andre +10 Andre's Avatar
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    Could you try NV beta driver 275.50?

    http://us.download.nvidia.com/Window...glish-beta.exe

    http://us.download.nvidia.com/Window...glish-beta.exe

    http://us.download.nvidia.com/Window...glish-beta.exe


    New in Release 275.50

    •Enables SLI technology on SLI-certified motherboards with AMD chipsets: 990FX, 990X, and 970.
    •Improves 3D Vision performance with Duke Nukem Forever with 3-way SLI and Quad SLI technology.

  7. #7
    Not to be taken seriously Raja@ASUS +20
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  8. #8
    Solved... The beta WORKS!! Just can't wait for the Bulldozer cpu to come out...

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