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Journeyman III

I'm looking for information on how to access the GPU temperature sensor on older ATI Radeon cards for Mac


I've been thinking about writing a small program to get the GPU temp for my ATI Radeon X800 XT card installed in my older PPC Mac G5.

I know this is old tech, but I'm interested in this, so old or not, I need some information to get started!

Any assistance with how to access the temp sensor, what programming language works best with PowerPC's, etc.  I have to start from somewhere, and this is the bottom rung for me.

Currently, there is not a single app that gets the GPU temp for ATI cards.  Not even the official Apple release of ATI Displays.

Thanks for your time.

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