sound

> dmesg | grep pcm
pcm0: <Realtek ALC889A (Analog)> at nid 26 and 25 on hdaa0
pcm1: <Realtek ALC889A (Rear Digital)> at nid 30 and 31 on hdaa0
pcm2: <Realtek ALC889A (Front Analog Headphones)> at nid 24 on hdaa0
pcm3: <Realtek ALC889A (Rear Analog Line-out)> at nid 21 on hdaa0

> sysctl -a | grep hw.snd
hw.snd.vpc_reset: 0
hw.snd.vpc_0db: 45
hw.snd.vpc_autoreset: 1
hw.snd.latency_profile: 1
hw.snd.latency: 5
hw.snd.report_soft_matrix: 1
hw.snd.report_soft_formats: 1
hw.snd.compat_linux_mmap: 0
hw.snd.feeder_eq_exact_rate: 0
hw.snd.feeder_eq_presets: PEQ:16000,0.2500,62,0.2500:-9,9,1.0:44100,48000,88200,96000,176400,192000
hw.snd.feeder_rate_quality: 1
hw.snd.feeder_rate_round: 25
hw.snd.feeder_rate_max: 2016000
hw.snd.feeder_rate_min: 1
hw.snd.feeder_rate_polyphase_max: 183040
hw.snd.feeder_rate_presets: 100:8:0.85 100:36:0.92 100:164:0.97
hw.snd.vpc_mixer_bypass: 1
hw.snd.verbose: 0
hw.snd.maxautovchans: 16
hw.snd.default_unit: 2
hw.snd.version: 2009061500/amd64

> mixer
Mixer vol      is currently set to 100:100
Mixer pcm      is currently set to 100:100
Mixer igain    is currently set to 100:100