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Crossfire: How do I overclock more?

Discussion in 'Graphics Cards' started by Gibbo, 28 Jul 2006.

  1. Gibbo

    Commissario

    Joined: 17 Oct 2002

    Posts: 34,105

    Location: OcUK HQ

    HI there

    I've got the slider push to max in the CC panel and I want more.

    Got latest version of ATI tool, when it loads it says it needs to close a system process, some ATI thing that changes 2D/3D speeds so I say yes to remove this.

    It loads and detects the 2D clock speeds.

    When I try to set core above 650MHz it crashes, yet the core is at 700MHz with Overdrive CC panel and that runs fine.

    Are there any other overclocking utilities I can or is this a known problem? Any fixes as I'd suspect these cards will get close to 750 core and over 1600 memory....
     
  2. rxmac

    Hitman

    Joined: 15 Jun 2005

    Posts: 648

    Location: Northants

    Think the problem is the 2d speeds use a lower core voltage so you need to set that to 3d voltage, or more :eek: ,also before upping the core speed. Don't aske me what the voltage needs to be set to though for 3d speeds :confused: im sure some one more knowledgable in these things will be along soon :D
     
  3. tim_enchanter

    Wise Guy

    Joined: 9 Nov 2003

    Posts: 1,069

    Location: On the Hill

    Yeah where are the crossfire experts?
    IIRC Gibbo there are two ATI services you should disable before using another prog for overclocking.
     
  4. Gerard

    Caporegime

    Joined: 18 Oct 2002

    Posts: 35,225

    Location: Ireland

  5. tim_enchanter

    Wise Guy

    Joined: 9 Nov 2003

    Posts: 1,069

    Location: On the Hill

    Cheers Gerard that looks like a good guide.
    I'll need it as I've not overclocked a gfx card for months now and don't wanna fry this one.