cpufreqd : CPU Frequency Daemon ( http://www.linux.it/~malattia/wiki/index.php/Cpufreqd )
cpufrequtils : Userspace utilities for the Linux kernel cpufreq subsystem ( http://www.kernel.org/pub/linux/utils/kernel/cpufreq/cpufrequtils.html )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a rich0
For Paludis use this rsync : rsync://gentoo.zugaina.org/rich0-portage
If you have a problem : ycarus(-at-)zugaina.org