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Thread: Nvidia 5900XT - HL2 - No directX 9 support

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    Nvidia 5900XT - HL2 - No directX 9 support

    I have HL2 installed, but when I go to video options it says I only have harwdare support for directx 8.1. Is there a way I can confirm my card is working fine with directx 9?


    I have ran dxdiag, 3dmark 2005 and have found nothing to confirm it is only half life that has the problem.

    I have installed 66.93, 67.02 det drivers with directx 9c but no success.

    Thanks

  2. #2
    Put him in the curry! Rythmic's Avatar
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    Unfortunately valve push this card to dx8.1, cause the dx9 shaders have an awful performance hit on these cards.

    You can force dx9 but expect to see anything up to a 70% performance hit - check out the article on midrange cards on anandtech.
    Now go away before I taunt you a second time.

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    bored out of my tiny mind malfunction's Avatar
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    • malfunction's system
      • Motherboard:
      • Gigabyte G1.Sniper (with daft heatsinks and annoying Killer NIC)
      • CPU:
      • Xeon X5670 (6 core LGA 1366) @ 4.4GHz
      • Memory:
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      • 1TB 840 Evo + 1TB 850 Evo
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      • 290X
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    I don't think you're missing a whole lot anyway:

    http://gear.ign.com/articles/567/567437p1.html

    It even looks good in DX7 mode IMO (not as good obviously - and I suspect there's a much more obvious difference in quality when you look at the game moving... but impressive all the same)

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    cheers lads

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    HEXUS webmaster Steve's Avatar
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    I must say I'm rather impressed with my 9600 Pro's handling of it in DX9 mode. Shame the FX's were never that good at DX9. Still, valve have made a decent engine and it looks good in just about any mode
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    Hell my mobility 9700 clocked to 550/250 can run this game at 1280x800 at 50fps average :O

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    Quote Originally Posted by Kez
    I must say I'm rather impressed with my 9600 Pro's handling of it in DX9 mode. Shame the FX's were never that good at DX9. Still, valve have made a decent engine and it looks good in just about any mode
    You mean the 5xxx range ?
    The 6xxx range are pretty good
    Quote Originally Posted by Saracen View Post
    And by trying to force me to like small pants, they've alienated me.

  8. #8
    HEXUS webmaster Steve's Avatar
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    The 6xxx's aren't in the FX range
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    Oh sorry, i misread and hit reply quicker than my brain works !
    Quote Originally Posted by Saracen View Post
    And by trying to force me to like small pants, they've alienated me.

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