> I'm going to assume you're a Windows user trying to overcome a > retarded Windows design flaw that has the CPU do a whole lot of > nothing at full steam instead of using HLT instructions to let the > CPU *really* not do anything when it's idle. > > Linux doesn't have this problem, the kernel has what you're looking > for by default.
I don't think that is the case--at least, not in stock Debian kernels. I have an Athlon XP 1700+, and it idled at 45C until I installed athcool. Now it idles below 40C, sometimes as low as 30-32C in cooler weather.