default
    Default
front:CARD=NVidia,DEV=0
    HDA NVidia, ALC887 Analog
    Front speakers
surround40:CARD=NVidia,DEV=0
    HDA NVidia, ALC887 Analog
    4.0 Surround output to Front and Rear speakers
surround41:CARD=NVidia,DEV=0
    HDA NVidia, ALC887 Analog
    4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=NVidia,DEV=0
    HDA NVidia, ALC887 Analog
    5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=NVidia,DEV=0
    HDA NVidia, ALC887 Analog
    5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=NVidia,DEV=0
    HDA NVidia, ALC887 Analog
    7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=NVidia,DEV=0
    HDA NVidia, ALC887 Digital
    IEC958 (S/PDIF) Digital Audio Output
hdmi:CARD=HDMI
    HDA ATI HDMI, ATI HDMI
    HDMI Audio Output
front:CARD=pcsp,DEV=0
    pcsp, pcsp
    Front speakers
front:CARD=Dummy,DEV=0
    Dummy, Dummy PCM
    Front speakers