The_Other_One said:Look around for speedswitchxp. I'm using that on my laptop to leave it clocked at 800MHz when I'm on battery. It really helps boost the battery life.
As for just altering power options, I don't think that always adjusts the speed... But really, I see no reason you'd want it to be full unless you are on AC(which this program allows you to select which you want)
Oh, happy 400th Greg ;P