FreeBSD6.1聲音

Sound server informational message:
Error while initializing the sound driver:
device /dev/dsp can't be opened (No such device)
The sound server will continue, using the null output device


Arts，是進入KDE時，那個類似Windows的開機響聲。感覺是。還有鼠標點擊的響聲等。好象是系統鈴聲類似的東西。