Microsoft® Windows® XP includes built-in processor performance control to take advantage of microprocessors that utilize performance states to operate the processor more efficiently when it is not fully utilized. This download white paper outlines the new BIOS implementations needed to expose this capability in Windows XP; this paper also details the functionality and policies employed by Windows XP for processor performance control.

This download white paper describes issues and solutions for achieving fast system start up on PC systems running the Microsoft® Windows® XP operating system. This paper provides guidelines for system manufacturers to improve boot and resume times for new PCs. This paper also briefly summarizes several of the changes in Windows XP that promote quick system availability. Windows XP Native Processor Performance Control

Fast System Startup for PCs Running Windows XP