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CPU (Linux)

 
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Frequency

To manually set the CPU frequency proceed as follows:

root@apalis-t30:~# cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors
conservative userspace powersave ondemand performance                           
root@apalis-t30:~# echo userspace > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
root@apalis-t30:~# cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies
51000 102000 204000 370000 475000 620000 760000 860000 1000000 1100000 1200000 1300000 1400000
root@apalis-t30:~# echo 860000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed

Please note that depending on the board/die temperature thermal throttling might further limit the current frequency in use.