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From: Guenter Roeck <linux@roeck-us.net>
To: lm-sensors@vger.kernel.org
Subject: Re: [lm-sensors] Asus H87-PRO /usr/sbin/pwmconfig: There are no pwm-capable sensor modules installed
Date: Wed, 22 Jan 2014 20:02:48 +0000	[thread overview]
Message-ID: <20140122200248.GA27598@roeck-us.net> (raw)
In-Reply-To: <CALiX4iZMuV2446GaK9qyS8Cfa=q1RV0w8-UUXYnOFXfROkBoaw@mail.gmail.com>

On Wed, Jan 22, 2014 at 08:32:31PM +0100, Mathias Gerber wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> Hello Guenter
> 
> On 22.01.2014 19:34, Guenter Roeck wrote:
> >>> Interesting. Obviously that doesn't help ;-). What is returned 
> >>> back if you read pwm2 after setting it to 0 ?
> >> 0 (zero). Maybe some sort of protection?
> > No idea. Might be the fan itself doing it.
> Unlikely. The same fan model is installed on my other main-board
> (Gigabyte with it8728) and its possible there to bring down the fan to
> 0 rpm with pwm set to 0.
> 
Ok.

> > What happens if you set it to 1 ?
> Set to [0-4] => fan spins up to maximum rpm (~2250rpm)
> Set to > 5 => fan spins at desired rpm (~600rpm upward)
> 
Mathias,

Can you send me the output of "grep . pwm2*" ? I'll see if I can
find anything in the datasheet that might explain this behavior.

Thanks,
Guenter

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  parent reply	other threads:[~2014-01-22 20:02 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-01-22 14:43 [lm-sensors] Asus H87-PRO /usr/sbin/pwmconfig: There are no pwm-capable sensor modules installed Michael Vorburger
2014-01-22 16:01 ` Mathias Gerber
2014-01-22 16:25 ` Guenter Roeck
2014-01-22 17:01 ` Mathias Gerber
2014-01-22 17:27 ` Guenter Roeck
2014-01-22 17:59 ` Mathias Gerber
2014-01-22 18:34 ` Guenter Roeck
2014-01-22 19:32 ` Mathias Gerber
2014-01-22 20:02 ` Guenter Roeck [this message]
2014-01-23  7:25 ` mathias_g
2014-01-24 14:40 ` Guenter Roeck
2014-01-26 15:58 ` Mathias Gerber
2014-01-27 18:51 ` Guenter Roeck

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