[lkml]   [2001]   [Jun]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: Changing CPU Speed while running Linux
Sven Geggus wrote:
> Hi there,
> on my Elan410 based System it is very easy to change the CPU clock speed by
> means od two outb commands.
> I was wondering, if it does some harm to the Kernel if the CPU is
> reprogrammed using a different CPU clock speed, while the system is up and
> running.

I have a module for the K6 PowerNow which allows you to do

echo 450 > /proc/sys/cpu/0/frequency

and does the right thing wrt udelay / bogomips etc..
I can dig it out if you want.. sounds like this should be a more generic

Arjan van de Ven
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-03-22 13:17    [W:0.103 / U:0.128 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site