Originally posted by: mamisano
Thats correct. It keeps the processor speed and voltage down until needed. When load increases, the processor seamlessly increases speed and voltage to meet demand.
My Sempron 3100+ runs at 800mhz and 0.900v while idle and goes as high as 1.8Ghz and 1.35v under full load. Being a web server, it barely sees much time above 800mhz and the CPU runs at a constant 29c during the winter