CPU Frequency management with RMClock

RMClock is a useful little application. My notebook was consistently hot, and I was unable to use the power management tools that came with Vista to make the notebook use the full range of CPU frequencies available to it. Higher CPU frequencies equate to more heat. In my case my AMD Turion X2 can run at 800Mhz, 1600Mhz or 1800Mhz, but my notebook was locked at 1600Mhz, refusing to dip lower, even when I was hardly using the CPU.

Enter RMClock, it does a fabulous job of keeping my notebook at 800Mhz most of the time, and reacting to load by bumping up the Mhz to 1600 or 1800 when I need it. This CPU technology was called “cool ‘n quiet” when AMD released it, and now thanks to RMClock I get a bit of that promise. My notebook was running routinely at 50-65C, now it idles at 35-40C, and the fans on the system are correspondingly quieter.

I found this article useful in getting the software configured correctly, which required some care, but the end result is great on my Acer notebook running Vista.



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