sh soundcardinfo.sh
/proc/asound/cards:
 0 [ICH6           ]: ICH4 - Intel ICH6
                      Intel ICH6 with AD1981B at irq 11

/proc/asound/pcm:
00-04: Intel ICH - IEC958 : Intel ICH6 - IEC958 : playback 1
00-03: Intel ICH - ADC2 : Intel ICH6 - ADC2 : capture 1
00-02: Intel ICH - MIC2 ADC : Intel ICH6 - MIC2 ADC : capture 1
00-01: Intel ICH - MIC ADC : Intel ICH6 - MIC ADC : capture 1
00-00: Intel ICH : Intel ICH6 : playback 1 : capture 1

/proc/asound/card0/codec97#0/ac97#?-?:
0-0/0: Analog Devices AD1981B

PCI Subsys Vendor: 0x1014
PCI Subsys Device: 0x0567

Capabilities     : -headphone out-
DAC resolution   : 20-bit
ADC resolution   : 16-bit
3D enhancement   : No 3D Stereo Enhancement

Current setup
Mic gain         : +20dB [+20dB]
POP path         : pre 3D
Sim. stereo      : off
3D enhancement   : off
Loudness         : off
Mono output      : MIX
Mic select       : Mic1
ADC/DAC loopback : off
Extended ID      : codec=0 rev=1 AMAP DSA=0 VRA
Extended status  : VRA
PCM front DAC    : 48000Hz
PCM ADC          : 48000Hz



AD18XX configuration
Unchained        : 0x1000,0x0000,0x0000
Chained          : 0x0000,0x0000,0x0000

......

# Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) AC IBM Intel ICH6 with AD1981B
[pci:8086:266e:1014:0567:capture:alsa:0]
name=Intel ICH6 with AD1981B ()
initialPreference=35

# Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) AC IBM Intel ICH6 with AD1981B
[pci:8086:266e:1014:0567:capture:alsa:1]
name=Intel ICH6 with AD1981B ()
initialPreference=35

# Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) AC IBM Intel ICH6 with AD1981B
[pci:8086:266e:1014:0567:capture:alsa:2]
name=Intel ICH6 with AD1981B ()
initialPreference=35

# Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) AC IBM Intel ICH6 with AD1981B
[pci:8086:266e:1014:0567:capture:alsa:3]
name=Intel ICH6 with AD1981B ()
initialPreference=35

# Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) AC IBM Intel ICH6 with AD1981B
[pci:8086:266e:1014:0567:playback:alsa:0]
name=Intel ICH6 with AD1981B ()
initialPreference=35

# Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) AC IBM Intel ICH6 with AD1981B
[pci:8086:266e:1014:0567:playback:alsa:4]
name=Intel ICH6 with AD1981B ()
initialPreference=35