I searced the net. similar problem existed with ecs boards. (k7s5a, and similar boards with uses the same audio hw as ecs)
pc side the solution was:
-new driver
or
-new soud card
or
-turn off hardware accelerating for audion in dxdiag.
[ Edited by Derringer 06.10.2012 - 13:03 ]
MorphOS PowerBook G4 1,67GHz, 2GB Ram, 250GBHdd, ATI 9700/128MB
Morphos G5 2,7GHz, 8GB Ram, 500GB Hdd, ATi Passive cooled 9800 PRO/128MB