Re: control system fan with software

Magnus Warker wrote:

After sensors-detect, I got modules to load, and after loading i2c-viapro,
i2c-isa and w83627hf, I got:

/sys/devices/platform/i2c-9191/9191-0290/pwm3
/sys/devices/platform/i2c-9191/9191-0290/pwm2
/sys/devices/platform/i2c-9191/9191-0290/pwm1

The files have the following contents:

pwm1: 240
pwm2: 240
pwm3: 0

Ok, great.

I am a bit afraid of simply echoing arbitrary things into these files. Is
there a documentation?

<http://www.lm-sensors.org/> has a lot of documentation, and there's
"man pwmconfig" and "man fancontrol".

Can I get hardware damage?

Probably yes, if you stop your fans (using too small values) and the CPU
gets too hot. You can watch the output of the sensors program ("watch
sensors") or use ksensors or gkrellm or any other lm-sensors aware
program. Watch the temperatures and your CPU/board should be safe.

Regards...
Michael
.

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