Fedora 17 - CPU Fan Speed

Wed Jun 13 17:00:54 UTC 2012

On Wed, Jun 13, 2012 at 18:42:12 +0200,
   Mateusz Marzantowicz <mmarzantowicz at osdf.com.pl> wrote:

>Hey! It works! My video card is quiet again (I can hear my hard drive
>working again :) )! Now I must find out how to make this changes to /sys
>persistent across system reboots. Then see if there is some stock
>Fedora/X.org tool to make this changes in more elegant manner (I use
>echo for this.)

man sysctl.d I think will tell you a good way to do this.