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28867Re: [linux-dell-laptops] inspiron 9300: problems with fans and cpu throttling

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  • Peter Teuben
    Mar 26, 2008
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      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.

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