On [Wed Mar 26 14:52], Walter Cazzola wrote:
> On Wed, 26 Mar 2008, Peter Teuben wrote:
> > On [Wed Mar 26 14:27], Walter Cazzola wrote:
> >> Dear Linux Experts,
> >> I'm an owner of a three-years old inspiron 9300 laptop running linux
> >> Mandriva 2007.1. In the last few weeks I got a few problems with the
> >> fans and the CPU clock.
> >> For no apparent reasons the fans start whirling at the highest speed and
> >> the only way I found to turn them off is switching off and on the laptop.
> >> Analogously the laptop CPU without reasons stops working at 2.2 Ghz and
> >> slow down to 800 Mhz and again to turn off the laptop is the only way
> >> that (sometimes not always) restores the top speed for the CPU.
> >> Do you know why this happens? I have checked with the Dell check program
> >> but both fans and CPU works correctly.
> >> Especially do you know how to bypass this problems by forcing the turn
> >> off/on of the fans (is there something like the i8k tools for the
> >> i9300?) and regulate the CPU clock?
> > On my i8200 forcing it off was done with Fn-Z.
> it is not the case here, the support of the function keys is very low
> under mandriva 2007.1 on i9300 or at least I give up to get my function
> keys working long ago.
The Fn-Z function is a direct call into the BIOS and doesn't need an OS,
at least that's my understanding! But it may very well be that for this
Dell model they've changed the keys.