asrock 775 dual VSTA: will Nvidia 7950gx2 work?

Discussion in 'ASRock' started by Branek, Nov 6, 2007.

  1. Branek

    Branek Guest

    Asrock is a wholly owned subsidiary of Asus, since my newserver doesn't list
    asrock newsgroups I'm posting this question here. I know this motherboard
    Asrock 775 dual VSTA) is notoriously finicky about PCIe video cards. Has
    out there managed to get a Nvidia 7950gx2 512MB to work w/the Asrock 775
    dual VSTA?

    Thanks in advance.
    Branek, Nov 6, 2007
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  2. Branek

    Paul Guest

    Motherboard BIOS compatibility is listed here.

    There is an architecture diagram here for 7950GX2.

    The PT880/Ultra chipset, has an AGP 8X slot and a PCI Express x4
    interface. That is why the Asrock 775 dual VSTA is "finicky" about
    video, because the chipset doesn't have a full x16 lane interface.

    I don't think there is any risk of damage - the only risk would be
    that it doesn't work properly. Trying to run two GPUs through
    only x4 lanes of bandwidth, is going to reduce their performance
    quite a bit.

    Paul, Nov 6, 2007
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  3. Branek

    Branek Guest

    Thanks for the insights Paul, I think I will give up on this idea now. It's
    too bad the 8800GT's don't work on this motherboard. I guess I'll have
    to look into the 8800GTS's.
    Branek, Nov 6, 2007
  4. Branek

    Nez Guest

    Check out the last message at

    It looks like a new Bios is available that lets the 8800GT work on the
    ASRock 775Dual VSTA.

    Nez, Nov 9, 2007
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