[vox-tech] Loud fan, only on Linux

[Rod Roark]

What sort of fan?  Power supply?  CPU?  Case?

Check to see if your kernel is built with:

  Power Management Support
    Advanced Power Management BIOS support
      Make CPU Idle calls when idle

-- Rod
   http://www.sunsetsystems.com/

On Thursday 04 April 2002 12:53, Mark K. Kim wrote:
> Keywords: loud fan, acpi
>
> I recently installed Mandrake on a work computer.  It's working great,
> except its fan is really loud.  So what's the big deal, right? -- well,
> the fan powers down if I go into Windows.  The fan turns on when I power
> up the computer -- if I go into Linux, it stays on, but if I go into
> Windows, it powers down.
>
> So there must be a way to power down the fan under Linux, too, and
> safely. I poked around a bit and I think ACPI is what's doing it, but
> I'm not sure.  I recompiled the kernel with ACPI support but it won't
> load the modules (the kernel needs ACPI support, and the modules provide
> some more support, I guess -- I made everything I can into modules so I
> can test them) -- it says either the IRQ/IO hasn't been configured
> properly or the device doesn't exist.
>
> So either this computer doesn't use ACPI (but I'm pretty sure it does as
> the ACPI services show up under Windows), or I got the IRQ/IO wrong.  I
> can find out the IRQ/IO from Windows end, but how do I pass the
> paramters to the modules?  Which modules do I need to power down this
> freakingly noisy fan?
>
> Thanks in adv!
>
> -Mark