Chipset VIA686b and SYSFAN (PART 2)

Jean Delvare khali at
Fri Aug 1 09:19:08 CEST 2003

> I installed lm_sensor on a MSI MS-6368 board with the VIA686B
> chipset. LM_Sensors workk great (but he detected a via686a chipset.
> I don't know why).

This is a unified driver for both the VT82C686A and the VT82C686B.

> But, the P/S Fan doesn't work. I checked and I have the right value
> in my bios.  But, with lm_sensors... He display 9000RM the first
> time i type "sensors".  After, only 0.  I need to reboot the pc
> to get 9000 again.  So, do you have any idea (because the true
> value cannot be 9000 rpm and it's always at 0 anyway). The
> SYSFAN is in fact the fan of my power supply (enermax).

This could be a fan divisor issue. Read doc/chips/via868a and

Jean Delvare

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