====== Linux on a Dell Inspiron 9400 ======
Having learned the hard way that life is to short for gentoo, my laptop now runs kubuntu.

===== feisty fawn 7.04 =====
Update worked without major problems.

===== edgy eft 6.10 =====
Some tweaking to activate the headphone jack

==== Kernel modules ====

ALSA Sound Upgrade wegen Kopfhörerbuchse!
(1.0.14rc3)

(hda-intel)
Subwoofer!

/usr/src/alsa/alsa-[lib|util]
  configure
  make
  make install

Damit der Subwoofer wooft:

/etc/modules.d/alsa-base
  options snd-hda-intel model=ref


To control the volume of the subwoofer together with the main volume:
<code bash>
#!/bin/sh
while true; do
dcop kmix Mixer0 setVolume 2 `dcop kmix Mixer0 volume 0`
dcop kmix Mixer0 setMute 2 `dcop kmix Mixer0 mute 0`
sleep 1
done
</code>