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5850 Memory Idle

Discussion in 'Graphics Cards' started by SMAndy, 1 Jun 2010.

  1. SMAndy


    Joined: 28 Jan 2009

    Posts: 401

    Location: Gloucestershire

    Hi all.

    So. I'm running a 5850 with ann 8800GT for PhysX.

    Core speed set to 900Mhz, nicely lowers itself to 400 when its idling. Memory however doesn't.

    My overdrive profile is set correctly, memory on "want_0" is 800Mhz, 1000 for awesome 2D, and 1175Mhz for awesome 3D.

    This stays at 1175 constantly, doesn't matter if i'm not doing anything.

    Any ideas whats wrong here? got the latest catalyst, 10.5. Running ATI driver 190.x -ish so i can use the PhysX mod to get it working properly. The later drivers break it...
  2. JTrickle

    Wise Guy

    Joined: 2 Nov 2006

    Posts: 1,631

    Location: Sheffield

    Changes with the 10.5 drivers to stop all the 2 monitor display issues.

    If you dissable ccc Overdrive, and dont overclock in Afterburner (when in 2D mode), then you will get 157/300 as normal. You will likely have to recreate any saved CC profiles.

    I've found I need to launch and close the Afterburner settings screen once per boot to activate altered fan profiles. I'm switching between a saved overclock and stock Afterburner profiles depending on if I'm gaming or not.
  3. spirits247


    Joined: 29 Jan 2007

    Posts: 725

    Yep, the 10.5's affect the idle clocks in certain situations.
  4. Mr Paul


    Joined: 19 Oct 2002

    Posts: 5,529

    Location: Reading UK

  5. SMAndy


    Joined: 28 Jan 2009

    Posts: 401

    Location: Gloucestershire

    Ahh thanks guys. i can live with it being super fast memory all the time... just gonna have to replace the card in... hang on a second, it'll be replaced in a year anyway, so who cares about lower life expectancy?