/etc/rc.local

/usr/lib/oss/soundon

/usr/sbin/mixer > /dev/null \
        vol     65      \
        pcm     65      \
        speaker 0       \
        line    0       \
        mic     0       \
        cd      0       \
        rec     0       \
        igain   0       \
        line1   0       \
        phin    0       \
        video   0