Interesting idea. I am running 1.3b9.
How would I know if there is a problem with the ACPI-support?

Thanks for your input.

> It's vageuly possible that the ACPI support in FreeBSD is turning off
> the fan somehow (i remember this with very old linux ACPI
> implementations).
>
> I would expect it to have been fixed by now though!
>
> Are you using 1.2 or 1.3?
>
> Thanks,
> adam.