Re: [ACPI] Acer Aspire 1700

[BERTRAND Joel <joel.bertrand%systella.fr@localhost>]

Julio Merino a écrit :
> On Tue, Apr 6, 2010 at 12:33 PM, BERTRAND Joel
> <joel.bertrand%systella.fr@localhost>  wrote:
> > Jukka Ruohonen a écrit :
> > > On Tue, Apr 06, 2010 at 11:53:08AM +0200, BERTRAND Joel wrote:
> > > > As it worked fine with Solaris, I suppose that this control is done
> > > > by operating system, but I don't understand why CPU fan does not start
> > > > when
> > > > ACPI is disabled. Is there any workaround or patch ? I haven't found any
> > > > information.
> > >
> > > On some systems the fan is controlled by the operating system via ACPI.
> > > Consequently, if the latter is disabled, it is possible that the fan does
> > > not work. The temperature threshold for "active cooling" by a fan is
> > > generally imposed by the firmware.
> > >
> > > The question is: why you need to disable ACPI?
> >
> >         I have tried to disable ACPI to check if fan speed is controlled by
> > ACPI. As CPU is to hot, my first idea was to force fan action.
>
> Why do you think the CPU is too hot?  I've seen the CPU in several
> MacBooks reach 75C+ frequently, and the fans don't kick in until then.

        Because bottom of laptop is very hot (more than 70 °C).

        JKB