CPU-Spannung senken - Eigenbau

patch in src-ordner kopieren 

patch -p1 linux-phc-kernel-vanilla-2.6.24-rc1.patch
cp /boot/config-2.6.24-5-generic .config
make oldconfig
make prepare
make scripts
make M=./arch/x86/kernel/cpu/cpufreq

modultest

rmmod acpi-cpufreq
sudo insmod ./arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.ko
cat /sys/devices/system/cpu/cpu0/cpufreq/phc_controls
 sudo /etc/init.d/undervolt start

geht?

dann dauerhaft kopieren:
altes modul sichern!

/lib/modules/2.6.24-5-generic/kernel/arch/x86/kernel/cpu/cpufreq