Tom's Guide > Forum > Overclocking > Graphics Cards > Sony Vaio SZ - overclock the GPU - How to?

Sony Vaio SZ - overclock the GPU - How to?

Forum Overclocking : Graphics Cards - Sony Vaio SZ - overclock the GPU - How to?

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neocron   10-17-2008 at 09:42:57 AM

Dear Everybody,


I have a Sony Vaio SZ90 with a nVidia Go 7400. I have tried to use the nVidia programmes to overclock the chip but although the programme reports that the change was successful upon verification the values are still set to Sony's setting.

I think that the custom Sony supplied BIOS has disabled this ability.

I have tried to change with RivaTuner (WinXP) and the nvidea-settings (Linux) utililies. (RIva crashes with a blue screen of death / driver error) and nvidea behaves as I meantoned in the first paragraph.

Is there a way of making this work?

Regards.

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jludvig   10-17-2008 at 10:32:59 AM
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you could try atitool (yes it sometimes works with nvidia too) or PowerStrip, but generally I'd advice against overclocking a mobile gpu - usually the cooling is barely enough to keep it cool at stock settings, but if you are careful I guess it won't hurt to try.
Just remembered - there's an excellent tool for controlling laptop hardware: Notebook Hardware Control or NHC - you really need to get that one - it's free and might give you control over your CPU speed and voltages. I use it to underclock the laptop in my livingroom, and when lowering the voltages a bit the CPU is much cooler and the fan never starts.

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neocron   10-17-2008 at 10:44:16 AM
- 0 +

Will these tools work around the BIOS restictions placed by Sony into their custom BIOS?

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neocron   10-17-2008 at 10:46:51 AM
- 0 +

I installed NDC but could not see where I could make any changes ; It looks like a monitoring tool

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