Over on the Windows Vista blog they have an extensive informational post about the power management in Vista for laptop computers. From the read through of the post I had it does look like they done a heck of a job from the turning on of the laptop to the turning off.
The Windows Vista power management goals were simple: 1) making turning a computer “off”/”on” as reliable, simple, and fast as turning off/on a TV, and 2) maximizing the active usage if on battery and reducing the energy consumption if on A/C power. The first goal involved not only improving the predictability of the behavior when a PC was switched “off”, but more importantly changing the model for what “off” and “on” means. Everyone knows that turning a TV off doesn’t really turn it off. It is still available to receive the remote control signal, etc. so that it can come back on quickly. We wanted to emulate this for Windows Vista machines. [Full Post]
While the post does appear to be about improvements for laptop there is also information relating to all PC’s and how their power is used and when.
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