[lm-sensors] [w83627ehf] Not all fans are shown (#3)
khali at linux-fr.org
Tue Jan 31 16:12:38 CET 2012
On Sat, 28 Jan 2012 16:14:35 +0100, CC wrote:
> I wasn't aware that mainboard chips can and do modulate +12V by PWM
> themself. So there's actually *three* methods/modes to drive a fan:
> 1) Voltage regulation ("DC")
> 2) PWM by modulating the +12V line
> 3) PWM by providing a control signal
> In my previous statements, I did assume that "PWM" always means (3).
> Maybe we could adapt the documentation to reflect the situation. I
> guess it's a valid distinction, and you surely wouldn't want another
> smart-ass guy complaining about it.
Adapt which documentation? I wasn't even aware that we documented this
somewhere in the first place.
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