Only obsolete x86 processors at this point (pre-P4 Intel, iirc) Pretty much until the early 2000's, PC processors essentially idled at full speed. There are p

Only obsolete x86 processors at this point (pre-P4 Intel, iirc) Pretty much until the early 2000's, PC processors essentially idled at full speed. There are probably some super-cheap, bottom-of-the-barrel, low-end ARM chips still being made somewhere that can't sleep or down-clock.