Table of Contents
VIM2 Cooling Fan
Introduction
This page introduces the Cooling Fan. The first section describes how to control the fan on Ubuntu, and the second section describes how to control it on Android.
Ubuntu
This setting is only applicable to 4.9, 5.15, 5.4, and 6.1 linux kernel
Fan Application
This method is recommended if you are using a desktop OS. Find Fan Setting in the applications list. Open the app to control the cooling fan speed.
Command Line
You can also use commands to control the fan from the terminal.
Set the fan mode
| fan mode | command |
|---|---|
| off | fan.sh off |
| on | fan.sh on |
| auto | fan.sh auto |
Get the fan mode
fan.sh mode
Set the fan speed
| fan speed | command |
|---|---|
| high | fan.sh high |
| mid | fan.sh mid |
| low | fan.sh low |
Get CPU temperature
fan.sh temp
Get and Set the trigger temperature
You can read the trigger temperature from the following nodes:
| fan mode | trigger temp parameter |
|---|---|
| low | /sys/class/fan/trigger_temp_low |
| mid | /sys/class/fan/trigger_temp_mid |
| high | /sys/class/fan/trigger_temp_high |
Example: Get the low trigger temperature:
cat /sys/class/fan/trigger_temp_low
Example: Set the low trigger temperature to 40 Celsius.
echo 40 | sudo tee /sys/class/fan/trigger_temp_low
The trigger temperature only affects the fan when it is in auto mode.
Mainline linux
The fan is controlled automatically by the Linux thermal subsystem. Temperatures are in millidegrees Celsius.
Example: Get the auto trigger temperature:
cat /sys/class/thermal/thermal_zone0/trip_point_3_temp
Example: set the auto trigger temp to 40000 millicelcius
echo 40000 | sudo tee /sys/class/thermal/thermal_zone0/trip_point_3_temp
To turn the fan off, set the trigger temperature to a higher value (e.g., 80000).
To turn the fan on, set the trigger temperature to a lower value (e.g., 10000).
Android
Check system settings to control the fan.