[lm-sensors] sensor 3.3.1 and previous do not properly detect/show CPUTIN temperature - maximus iv extreme Revision 3.0 motherboard

[Martin Suchanek]

On Sat, Apr 28, 2012 at 5:30 AM, Guenter Roeck
<guenter.roeck at ericsson.com>wrote:

> On Fri, Apr 20, 2012 at 11:47:47AM +0100, Martin Suchanek wrote:
> > Hi,
> >
> > Add info:
> > I have found software called open hardware monitor. I have been testing
> it
> > in windows for couple of days and it works properly with Nuvoton NST6776F
> > chip. I have been comparing results with AI Suite software coming from
> ASUS
> > and results are corresponding and measuring is with big precise. So , you
> > can have a look to source code and compare with your driver. This
> software
> > should work on linux as well but I did not try it yet but I will.
> >
> I finally had time to look into the open hardware monitor code.
>
> The answer is quite simple - the board get the CPU temperature using PECI,
> which the w83627ehf/nct67765 driver reports is as "PECI Agent 0".
> Open Hardware Monitor maps that temperature into the CPU temperature
> display
> and ignores CPUTIN. Which makes sense, since the purpose of PECI is to
> report
> the CPU temperature.
>
> So all you need to do is to ignore the value of CPUTIN and use the "PECI
> Agent 0"
> temperature instead.
>
>
I am now confused ?
I do not know technical details but according to ASUS technical support
CPUTIN is temperature of motherboard (not cpu socket , not cpu yourself )
what exactly this temperature means ?

Martin
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