The fan goes lower but the /sys/devices...../cpuinfo_cur_freq and scaling_cur_freq list the highest frequency. core i5 can go down to 1.2Ghz according to cpuinfo but watching the time_in_state shows it middle-of-the-roading it, with time only growing at 2ghz. what do I do? I want low low low low freq and power.
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I will suggest you to use these settings http://askubuntu.com/questions/285434/jupiter-or-similar-power-saving-app-for-13-04/285681#285681 – Qasim May 07 '13 at 05:36
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You can Is there a power saving application similar to Jupiter? read the full configuration
Removing default Ubuntu cpu frequency config
sudo update-rc.d -f ondemand remove
Then you can use this post How to change default scaling governor back to ondemand
Just keep it in mind that you need powersave
powersave Run the cpu at the minimum frequency
sudo apt-get install cpufrequtils -y
