[ltp] lower CPU clock without battery in X61s

[Tino Keitel]

On Mon, Jun 30, 2008 at 08:57:17 +0200, Tino Keitel wrote:

[...]

> This way I get the full CPU speed without the battery inserted:
> 
> 1. boot with the battery inserted and AC connected
> 
> 2. suspend to disk
> 
> 3. remove AC power
> 
> 4. remove the battery
> 
> 5. plug in AC power
> 
> 6. resume from suspend
> 
> I don't know if there is a more simple way, though.

I thought I figured you a simpler way:

1. use kernel 2.6.25 or higher

2. add processor.ignore_ppc=1 to the kernel command line

Taken from:
http://www.thinkwiki.org/wiki/Problem_with_CPU_frequency_scaling

Regards,
Tino