underguiz@underguiz:~$ ossinfo -v
Version info: OSS 4.1 (b 080226/200803081757) (0x00040003) GPL
Platform: Linux/x86_64 2.6.24-ARCH #1 SMP PREEMPT Tue Feb 26 23:47:57 CET 2008 (underguiz)

Number of audio devices:	4
Number of audio engines:	13
Number of MIDI devices:		0
Number of mixer devices:	1


Device objects
 0: osscore0 OSS core services
 1: audigyls0 AudigyLS interrupts=3 (3)
 2: ossusb0 USB audio core services
 3: vmix0 OSS transparent virtual support

MIDI devices (/dev/midi*)

Mixer devices
 0: AudigyLS Mixer (Mixer 0 of device object 1)
    Device file /dev/oss/audigyls0/mix0, Legacy device /dev/mixer0
    Priority: 1
    Caps: 

Audio devices
AudigyLS front                    /dev/oss/audigyls0/pcm0  (device index 0)
    Legacy device /dev/dsp0
    Caps: DUPLEX TRIGGER MMAP 
    Modes: IN/OUT 
      Engine      1: Busy (OUT) label 'Front' 
      Engine      2: Available for use 
      Engine      3: Available for use 
      Engine      4: Available for use 
      Engine      5: Available for use 
      Engine      6: Available for use 
      Engine      7: Available for use 
      Engine      8: Available for use 
      Engine      9: Available for use 
      Engine     10: Available for use 
AudigyLS center/lfe               /dev/oss/audigyls0/pcm1  (device index 1)
    Legacy device /dev/dsp1
    Caps: TRIGGER MMAP 
    Modes: OUTPUT 
      Out engine  1: Available for use 
AudigyLS surround                 /dev/oss/audigyls0/pcm2  (device index 2)
    Legacy device /dev/dsp2
    Caps: TRIGGER MMAP 
    Modes: OUTPUT 
      Out engine  1: Available for use 
AudigyLS 5.1 output               /dev/oss/audigyls0/pcm3  (device index 3)
    Legacy device /dev/dsp3
    Caps: TRIGGER MMAP 
    Modes: OUTPUT 
      Out engine  1: Available for use