Volker Armin Hemmann <volkerar...@googlemail.com> [10-12-12 15:16]:
> On Sunday 12 December 2010 14:57:26 meino.cra...@gmx.de wrote:
> > Volker Armin Hemmann <volkerar...@googlemail.com> [10-12-12 14:52]:
> > > On Sunday 12 December 2010 14:06:33 meino.cra...@gmx.de wrote:
> > > > IT8721
> > > 
> > > So look at the lm sensors site:
> > > 
> > > http://www.lm-sensors.org/wiki/Devices
> > > 
> > >  ITE    IT8721F, IT8758E    yes    it87    LPC    2.6.37 or  standalone
> > >  driver
> > > 
> > > (2010-10-12) We have a datasheet for the IT8721F. Different from
> > > previous
> > > IT87xxF chips (12 mV ADC instead of 16 mV, amongst other.) Two requests
> > > ( Jae Sammy,  Virgil Gheorghiu.) The IT8758E was reported to have the
> > > same device ID, so hopefully they are fully compatible. Support added
> > > by Jean Delvare, please test the standalone driver and report.
> > > 
> > > you could try this:
> > > http://khali.linux-fr.org/devel/misc/it87/it87.c
> > > 
> > > google. 2minutes. It really is that simple.
> > 
> > Instead I backported the i87.c driver from the upcoming linux
> > 2.36.7.rc5 itree into my linux-2.6.36.6 kernel.
> > 
> > After recompiling i and a reboot it loads well but dmesg shows that
> > there were conflicting ACPI areas then. The driver itsself suggests to
> > use the atk0110-acpi driver instead the it87 one.
> > 
> > So I will do that and give the BIOS the full control over the fans.
> 
> I did the same and it is working really well... apart from an annoying 
> cpu-fan 
> error at the boot, because the fan only start turning 1-2 minutes after 
> turning the box on.
> 
> k10temp-pci-00c3
> Adapter: PCI adapter
> temp1:       +38.1°C  (high = +70.0°C, crit = +90.0°C)  
> 
> atk0110-acpi-0
> Adapter: ACPI interface
> Vcore Voltage:       +1.00 V  (min =  +0.85 V, max =  +1.70 V)
>  +3.3 Voltage:       +3.39 V  (min =  +2.97 V, max =  +3.63 V)
>  +5 Voltage:         +5.08 V  (min =  +4.50 V, max =  +5.50 V)
>  +12 Voltage:       +12.52 V  (min = +10.20 V, max = +13.80 V)
> CPU FAN Speed:       565 RPM  (min =  600 RPM)
> CHASSIS FAN Speed:  1171 RPM  (min =  600 RPM)
> CHASSIS FAN 2 Speed: 698 RPM  (min =  600 RPM)
> CPU Temperature:     +36.0°C  (high = +60.0°C, crit = +95.0°C)  
> MB Temperature:      +29.0°C  (high = +45.0°C, crit = +75.0°C)
> 

Hi Volker,

THAT'S INTERESTING!!

What motherboard do you use and may be you can mail me your kernel
config in a personal mail ?
And: What exactly do you enable/disable in the BIOS of you board?

When I try to enable fan control via bios I got a warning and loud
beeps from the BIOS *AND* the fan do not start...

When disabling fan control, the fan starts nearly instantly 
(acoustic-wise it is not that a problem ... the CPU fan works 
silently...).

But what is the reason for the ACPI area conflict???




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