[ltp] SpeedStep? - ACPI "throttling"

[Greg Meyer]

On Tuesday 13 April 2004 01:20 pm, Tony Whitmore wrote:
> Jordi G. March wrote:
> > Well, that's a good point... How did you manage to get full power even
> > without AC cord plugged in?
>
> I didn't :) The laptop would stay at 800MHz if it was started with the
> mains off. Turning the power on later didn't make any difference.
>
> If the laptop was started with the power on, it would run at 1.4Ghz at
> all times, even if the power was turned off later.

This is controlled by the BIOS. To get the system to switch frequencies 
automatically when inserting and removing the power cord you have to make 
sure the speedstep-centrino module is loaded and use a package like cpufreq 
to manage it.
-- 
/g