shutdown on BSD and Linux

[Francis GUDIN]

On 07-09-2006, Erik Wikström <erik-wikstrom at xxxxxxxxx> wrote :
> On 2006-09-07 17:50, Justin C. Sherrill wrote:
>> On Thu, September 7, 2006 6:28 am, Rahul Siddharthan wrote:
>> 
>> I had an older system that would do this with the fans; I never saw a
>> negative effect.  I assumed it was some setting that was tripped as
>> systems were shutdown, which made the fans react as if the temperature was
>> too high - perhaps the equivalent of a burst of static.
>
> I have a computer on which the fan-controls does not start working until 
> somewhere post BIOS, before that they run for full. Might be something 
> like that but in reverse, the fan-control is disabled and the fans run 
> for full by default. How does the computer sound when it starts?

Could it be ACPI tearing down ? I've got no clue, but my Compaq Presario
also exhibits that behaviour.

Francis