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Can't overclock my 24" iMac 8800GS in Bootcamp

C

CastrolSyntec

macrumors newbie
Original poster
I have tried to overclock my iMac's 8800GS in Bootcamp using Rivatuner, the new Nvidia Control panel and ATI tool, but every time i try to overclock and apply the settings, even only by 1MHz, it resets itself back to stock frequencies 🙁

Anyone else had these problems and anyone know how to fix it?

Thanks,
John S

(iMac 24" - Nvidia 8800GS GDDR3 512MB - 500GB 7500rpm HD - 2GB RAM - 2.8GHz C2D)
 
It's not possible to overclock any apart of the iMac, or or that matter any Mac. Apple locks access to the EFI which controls things like clock speed. If you want to overclock, you'll have to figure out how to break the EFI open.

Don
 
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