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2 easy questions about ATI drivers

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  • 2 easy questions about ATI drivers

    Hello,


    I'm using Gentoo with the latest ATI drivers available (8.542, which is I think the 8.10 version...) and I have 2 questions :

    * The catalyst control center offers in the 3D section, a "more settings" panel, where I can set "Catalyst A.I." to either "Standard" or "Advanced".
    What's this ? When I set "Advanced", no more options are highlighted in the panel.

    * The powerplay feature is not available for my HD4870. I hoped this way been able to downclock the GPU in order to have less noise in 2D ? Is powerplay the good way to achieve this ?

    Thanks for the time you would have taken answering my questions

  • #2
    Originally posted by Fixxer_Linux View Post
    Hello,


    I'm using Gentoo with the latest ATI drivers available (8.542, which is I think the 8.10 version...) and I have 2 questions :

    * The catalyst control center offers in the 3D section, a "more settings" panel, where I can set "Catalyst A.I." to either "Standard" or "Advanced".
    What's this ? When I set "Advanced", no more options are highlighted in the panel.

    * The powerplay feature is not available for my HD4870. I hoped this way been able to downclock the GPU in order to have less noise in 2D ? Is powerplay the good way to achieve this ?

    Thanks for the time you would have taken answering my questions
    Not sure exactly what AI does, but I think it's to do with app specific hacks.

    If you do -

    aticonfig --adapter=0 --od-getclocks
    aticonfig --adapter=0 --od-gettemperature

    You should see that the card is underclocked automatically when not loaded.

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    • #3
      Originally posted by Fixxer_Linux View Post
      * The catalyst control center offers in the 3D section, a "more settings" panel, where I can set "Catalyst A.I." to either "Standard" or "Advanced".
      What's this ? When I set "Advanced", no more options are highlighted in the panel.
      The tooltip for it says "Enables per-application 3d optimizations" - ie. if there's any hacks that make a particular game work better, this will enable them. I don't know if the Linux driver actually has any of these optimisations yet, but I'm pretty sure the Windows version does.

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