How to get the Fan-Speed of an slow Papst fan

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* Michael Zenke <mzenke at gmx.de> [2003-05-15 19:28:36 +0200]:
> Dear Developers,
> I recently bought a Papst fan whitch rotates with only about 1500 rpm. In the 
> documentation I found that fan speeds below 2600 rpm are not representable 
> and ProcMeter3 and sensors show me a fan-speed of 0 rpm. I have a W83727HF 
> chip and use the w83781d module. What do I have to change that I get the fan 
> speed?

This is a FAQ...

> 4.1.1 Fans sometimes/always read 0!!
> 
> You may not have a three-wire fan, which is required. 
> 
> You may need to increase the 'fan divisor'. See doc/fan-divisors in our
> package for further information. 

The rest are here:

http://www2.lm-sensors.nu/~lm78/cvs/lm_sensors2/doc/lm_sensors-FAQ.html

-- 
Mark M. Hoffman
mhoffman at lightlink.com



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