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Thread: GV-R797TO-3GD Drivers issue




  1. #1
    Join Date
    Feb 2013
    Location
    Poland
    Posts
    3

    Question GV-R797TO-3GD Drivers issue

    Hi,

    I've just bought myself GV-R797TO-3GD (HD7970 GHz Top edition) and I've been struggling so far with proper drivers installation. I've already tried all official Catalyst packages, as well as provided by Gigabyte packs.

    Every driver installation was a full cycle of uninstalling, drivers leftovers sweeping/cleaning and rebooting. Unfortunately my Windows 7 Home Premium x64, keeps on reverting the card drivers to Standard VGA Adapter. Nothing helps so far. I've even tried resetting BIOS, removing CPU overclock and changing PCIE slots.

    Any ideas or properly working drivers?

    Specs:
    CPU: i7 -930 @2,80
    MB: Asus Sabretooth x58
    GPU: GV-R797TO-3GD
    GPU BIOS: F62
    PSU: Thermaltake 1000W, previously powering HD6990 without any problem
    OS: Windows 7 Home Premium x64 SP1

    Cheers,

  2. #2
    Join Date
    Feb 2013
    Location
    Poland
    Posts
    3

    Default Re: GV-R797TO-3GD Drivers issue

    Hi,

    Reinstalling Windows was a last step I was about to take.

    Luckily I managed to find out the issue. As I've been inspecting drivers and Device Manager constantly, I noticed that beside Vendor Id and Device Id, rest of the data was filled with zeros (revision, susbsytem, etc.). This gave me a thing to ponder. I've edited .inf file and looked for the Vendor and Dev Id's my card is supposed to have. And I was right, there was no entry regarding it. Even in official Gigabyte drivers package.

    Vendor Id: 0x1002

    Dev Id: 0x6790

    Basing on the info from here:

    AMD Catalyst Modding Guide and Performance Test BenchmarK3D

    I've edited C7152570.inf and added 2 lines to it.

    1. Under [ATI.Mfg.NTamd64.6.1]:
    Code:
    "%AMD6790.1%" = ati2mtag_R575, PCI\VEN_1002&DEV_6790
    2. Under ; Localizable Strings, where the list of labels is
    Code:
    AMD6790.1 = "7900 MOD - AMD Radeon HD 7900 GHz Series"
    After saving the file, I ran setup.exe from the package and rebooted. Card was installed properly in Device Manager. I ran the installation of CCC package again in order to get all the functionalities available. So far, everything works like a charm. Gonna test the stability a bit and let you all know how it behaves.

    Question to community:
    Is it an error on AMD/Gigabyte behalf that Vendor/Dev Id hasn't been included in .inf file or is it card's bios fault that it has non-existant Vendor/Dev Id?

  3. #3
    Join Date
    Feb 2013
    Location
    Poland
    Posts
    3

    Default Re: GV-R797TO-3GD Drivers issue

    Everything works. You can easily overclock the card, not a single instability.

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