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

Question asked by therealanubis on Oct 4, 2012



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.