CPU frequency scaling
kernel 2.4 series	kernel 2.6 series
1 - download the lastest cpufreq drivers at ftp://ftp.linux.org.uk/pub/linux/cpufreq/ 2 - patch the kernel 3 - compile the kernel with the following options : cpu frequency scaling, cpu frequency table helpers, Intel Pentium M Enhanced Speedstep 4 - startup with this fresh kernel and load the speedstep-centrino module 5 - install the cpufreq daemon with this command : emerge cpufreqd 6 - modify /etc/cpufreqd.conf according to your needs	1 - be sure that the kernel has been compiling with the following options : cpu frequency scaling, cpu frequency table helpers, Intel Enhanced Speedstep 2 - startup with your fresh kernel and load the speedstep-centrino module 3 - install the speedfreq daemon with this command : emerge speedfreq 4 - modify /etc/conf.d/speedfreq according to your needs