Re: Problems with set in5_max in nct6776-isa-0290

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On Wed, Sep 25, 2013 at 08:53:31PM +0200, Jean Delvare wrote:
> On Wed, 25 Sep 2013 10:45:01 -0700, Guenter Roeck wrote:
> > On Wed, Sep 25, 2013 at 06:01:47PM +0200, Kent Larsson wrote:
> > > I want to change in5_min and in5_max. First I check that I have the right
> > > value names:
> > > 
> > >     sensors -u
> > >     ...
> > >     in5:
> > >       in5_input: 2.040
> > >       in5_min: 1.224
> > >       in5_max: 2.040
> > >       in5_alarm: 1.000
> > >     ...
> > > 
> > > Yes it looks that way. I try to set them in my configuration file
> > > 
> > >     test@debianstick:~$ cat /etc/sensors.d/custom
> > >     chip "nct6776-isa-0290"
> > >             ...
> > >             set in5_min 1.224
> > >             set in5_max 2.540
> > > 
> > > There seem to be no problem interpreting the configuration file, but only
> > > in5_min takes affect
> > > 
> > >     test@debianstick:~$ sudo sensors -s
> > >     test@debianstick:~$ sensors
> > >     ...
> > >     nct6776-isa-0290
> > >     Adapter: ISA adapter
> > >     ...
> > >     in5:            +2.04 V  (min =  +1.22 V, max =  +2.04 V)  ALARM
> > >     ...
> > > 
> > > A reboot does not help. I suspect that this is a bug, but I hope that I am
> > > the bug. :-)
> > 
> > You can not go above 2.04V; that is the maximum supported by the ADC.
> > I would be a bug if you can not set the maximum to, say, 1.9V.
> > Question is if the input is connected to anything. Can you map it
> > to a voltage shown in the BIOS ?
> 
> With a saturated input like this, I bet not. This input is to be
> ignored.
> 
> (It would help a bit to know what board brand and model this is...)
> 
Probably the same Kent had before - ASUS P9X79 WS.

Guenter

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