Re: Laptops with SpeedStep technology.

[Alan Cox]

On Thu, 2002-08-29 at 09:13, Steffen Persvold wrote:
> Hi all,
> 
> Recently I got myself a Dell Inspiron 8200 with a Intel P4 Mobile wich has 
> SpeedStep technology. With power plugged in, this processor runs at 1.6 
> GHz and with battery only, 1.2 GHz. However I've found that the 
> /proc/cpuinfo doesn't show this and I was wondering if there were some 
> patches lying around before I began to look at this on my own.

cpufre handles this including switching processor speeds, fixing up
udelay and ensuring you dont get stuck at random boot speed