1) Output of asoundconf list

Names of available sound cards:
SB

2) Output of lsmod | grep snd

snd_hda_intel          21912  1 
snd_hda_codec         205440  1 snd_hda_intel
snd_pcm_oss            44544  0 
snd_mixer_oss          17408  1 snd_pcm_oss
snd_pcm                79876  3 snd_hda_intel,snd_hda_codec,snd_pcm_oss
snd_seq_dummy           4740  0 
snd_seq_oss            32896  0 
snd_seq_midi            9600  0 
snd_rawmidi            25472  1 snd_seq_midi
snd_seq_midi_event      8448  2 snd_seq_oss,snd_seq_midi
snd_seq                52592  6 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_midi_event
snd_timer              23684  2 snd_pcm,snd_seq
snd_seq_device          9100  5 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq
snd                    54020  12 snd_hda_intel,snd_hda_codec,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_seq_oss,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
soundcore               8672  1 snd
snd_page_alloc         10888  2 snd_hda_intel,snd_pcm



3) Out put of cat /proc/interrupts

           CPU0       
  0:     604114  local-APIC-edge-fasteio   timer
  1:       2059   IO-APIC-edge      i8042
  8:          3   IO-APIC-edge      rtc
  9:       1926   IO-APIC-fasteoi   acpi
 12:     161386   IO-APIC-edge      i8042
 15:      21479   IO-APIC-edge      ide1
 16:          1   IO-APIC-fasteoi   yenta
 17:      28615   IO-APIC-fasteoi   libata, wifi0
 18:      15074   IO-APIC-fasteoi   ohci_hcd:usb1, ohci_hcd:usb2, ehci_hcd:usb3
 19:       2810   IO-APIC-fasteoi   HDA Intel
 20:      38428   IO-APIC-fasteoi   eth0
NMI:          0 
LOC:     603981 
ERR:          0
MIS:          0


4) Output of aplay --list-devices

**** List of PLAYBACK Hardware Devices ****
card 0: SB [HDA ATI SB], device 0: ALC861 Analog [ALC861 Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: SB [HDA ATI SB], device 6: Si3054 Modem [Si3054 Modem]
  Subdevices: 1/1
  Subdevice #0: subdevice #0