sysctl -a | grep pcm
pcm0: <EMU10Kx PCM Interface> on emu10kx0
pcm0: <SigmaTel STAC9750/51 AC97 Codec>
pcm1: <Intel ICH5 (82801EB)> port 0xc400-0xc43f,0xc800-0xc8ff mem 0xfebff900-0xfebff9ff,0xfebffa00-0xfebffbff irq 17 at device 31.5 on pci0
pcm1: <Avance Logic ALC655 AC97 Codec>
pcm0: <EMU10Kx PCM Interface> on emu10kx0
pcm0: <SigmaTel STAC9750/51 AC97 Codec>
pcm1: <Intel ICH5 (82801EB)> port 0xc400-0xc43f,0xc800-0xc8ff mem 0xfebff900-0xfebff9ff,0xfebffa00-0xfebffbff irq 17 at device 31.5 on pci0
pcm1: <Avance Logic ALC655 AC97 Codec>
hw.snd.pcm0.buffersize: 0
hw.snd.pcm1.buffersize: 16384
hw.snd.pcm1.vchans: 0
hw.snd.pcm1.ac97rate: 48000
dev.pcm.0.%desc: EMU10Kx PCM Interface
dev.pcm.0.%driver: pcm
dev.pcm.0.%parent: emu10kx0
dev.pcm.1.%desc: Intel ICH5 (82801EB)
dev.pcm.1.%driver: pcm
dev.pcm.1.%location: slot=31 function=5 handle=\_SB_.PCI0.AC9_
dev.pcm.1.%pnpinfo: vendor=0x8086 device=0x24d5 subvendor=0x1462 subdevice=0x0080 class=0x040100
dev.pcm.1.%parent: pci0