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    Overclocking GPU in SZ691

    Discussion in 'VAIO / Sony' started by teatime0315, Jul 6, 2008.

  1. teatime0315

    teatime0315 Notebook Enthusiast

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    Hi everyone. I was wondering if anyone has successfully overclocked the 8400 in the SZ series. If so how did you do it. Everytime I try, the settings revert back to stock. :( Thanks
     
    teatime0315, Jul 6, 2008
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  2. teatime0315

    teatime0315 Notebook Enthusiast

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    anyone at all?
     
    teatime0315, Jul 7, 2008
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  3. bunbuns

    bunbuns Notebook Consultant

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    Use Rivatuner 2.09 and drivers version 169.04 (XP/VISTA) ( www.laptopvideo2go.com)

    Overclock at your own risk thou as its a thin and light notebook so overheating could be a problem. Make sure you disconnect the battery (only overclock on AC power), put it on a cooling stand and allow adequte ventilation and only raise the core/mem speed at max 5 mhz increments to find a safe overclock value. Check the GPU temp and don`t allow it to go over 80c as a safety margin.

    Use 3dmark to test stability and video memory stress programs to find a good value. Again done at your own risk and be aware this could potentionally void the warrenty on your machine and reduce the lifespan of the GPU.
     
    bunbuns, Jul 7, 2008
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