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Temperature-reactive Fan speed control

Elcs

Diamond Member
As some of you may have seen, I have installed a Thermalright HR-03 GT with AC Turbo Module onto my HD4870.

The AC Turbo Module has a 3-pin fan header and the socket on my HD4870 looks like a mini-4-pin PWM socket.

I would like my AC Turbo Module to react to the GPU temperature ie. when it gets to a certain temperature, spin up to X speed and if it continues to rise Y speed then finally Z speed.

From my understanding, if I got a 3-pin to 4-pin, I could plug it directly into my HD4870 and in some roundabout fashion use that to moderate the speed. I could also plug it into a fan header on my motherboard but then I would be stuck for a program that reads GPU temperature and allows a fan to be controlled as depends on the temperature.

I am also thinking about doing this for my CPU fan and Exhaust fan later. My primary concern at this moment in time is my GPU fan.

How would I go about this in the best fashion? Any suggestions?
 

This would not tell me the temperature of my GPU core and be able to adjust fan speed accordingly. This solution uses an external temperature measure which is more likely to be a less accurate option.

I also agree with AmberClad. They cost more than my Case.
 
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