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Possible Quad GTX 480 SLI 3d regression bug?

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xanthus1
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Monday, October 25, 2010 5:48 PM (permalink)
I ran 3d Vision drivers 1.33 WHQL (v258.96) in Quad SLI with no issues, all four boards worked in DX9 applications. I verified this both with EVGA Procession on a G19 Logitech keyboard and physically with a thermal laser measuring gun. With Vision drivers 1.37 WHQL (v260.89/vision v260.81) only cards 1 and 2 work in DX9 applications, but all cards work in DX10. I have tried every cleaning method listed on this site plus reloading the OS (which is Win7 64 Ultimate.) I have also tried disabling HD audio but I am having no issues with HD audio. If I run the system in 2d mode all four cards work with the new 260.89 drivers. This is very frustrating any advice so I do not have to fall back to v258.96?

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    xanthus1
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    Re:Possible Quad GTX 480 SLI 3d regression bug? Friday, October 29, 2010 0:37 PM (permalink)
    Either nobody else is experiencing this or I am just going crazy.   I update drives to 260.99 still no change.   Finally I have reverted back to v258.96 which still works flawlessly.  In the mean time I have also tested an e758 with 2 GTX 295 the exact same issue.
     
    To recap here is the issue:
       
    v258.96 with 3D Vision v258.96 enabled and DX9.0c Quad SLI 200 or 400 series 3d rendars on all boards
     
    v260.89 with 3D Vision Controll driver v260.81 enabled and DX9.0c Quad SLI 200 or 400 series 3d rendars on only board 1 and 2
     
    v260.99 with 3D Vision Controll driver v260.81 enabled and DX9.0c Quad SLI 200 or 400 series 3d rendars on only board 1 and 2
     
    This is reminiscent of a problem about a year ago but has long sense been fixed.  If this is not a regression bug does somebody know what settings must be changed to have the new drivers render on all boards with dx9 in 3d vision mode?
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    20184549615095
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    Re:Possible Quad GTX 480 SLI 3d regression bug? Friday, October 29, 2010 11:34 AM (permalink)
    Whats fps are u getting maybe all of them arent needed to run at full clock in order to run the 3d properly! If u like u can go to invida control pannel and change power mode from adaptive to performance see if that works!
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    xanthus1
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    Re:Possible Quad GTX 480 SLI 3d regression bug? Friday, October 29, 2010 4:32 PM (permalink)
    Depending on render demand it still should distributing load between all cards based off of the SLI config of the application. The FPS per second differs greatly based off of game and or application. The game I like the most is Dragon Age in 3d mode will all options turned to max at 1920 x 1080. With the v258.96 driver and the Quad SLI GTX 480 I get a sustained rate of 60fps no matter what I do in the game. In contrast when I use v260.89 or v260.99 I get as low as 24 and as high as 60 with an average around 55, but as I said before cards 3 and 4 are doing nothing with these new v260.xx with 3d mode enabled in dx9 games.
     
    I have messed with adaptive performance and other SLI setting and I am not finding anything that brings the other to cards up on DX9 games with 3d vision mode enabled.

    post edited by xanthus1 - Friday, October 29, 2010 4:34 PM
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