overnor
This will make the CPU-Frequency sticky at the lowest speed your CPU can run at - and hopefully lower the overall system power consumption and heat dissipation This is what I have added to the system's /etc/rc.local file on my server - so it gets activated at every boot.
sleep 60
echo powersave > /sys/devic... evices/system/cpu/cpu0/cpufreq ]
then
DRIVER=`cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_driv