What is the make of the box? If it's for instance a compac proliant, you can download management software that slows down the fan after startup. Regards, Frank Vogel On Thursday 02 June 2005 17:22, Olga Urban wrote: > On Thu, 2005-06-02 at 03:49, Klaasjan Brand wrote: > > > I just installed Linux on a former NT box. When it had NT, after boot > > > up it used to either slow down or shut down the fan, and there was > > > almost no noise. However, after I installed Linux, the noise persists > > > and it's really loud. How do I adjust the fan speed? Thank you. > > > > If the box supports ACPI you can set the fans to automatic mode: > > echo -n 3 > /proc/apci/fan/ <name> /state > > The system does not support ACPI and APM. What do I do? Help! The fan is > really loud.