On Sat, Dec 01, 2007 at 12:32:00AM +0900, Tatoku Ogaito wrote:
> Its audio device is "Intel 82801H High Definition Audio Controller" and 
> recognized as azalia. It works with internal speaker but when plug in
> headphones, no sound comes from the headphones.

Please include the relevant part of dmesg for azalia and codec. This
should be trivial to fix.

Joerg