lsmod
Module                  Size  Used by
snd_intel8x0           22382  1 
snd_ac97_codec         84197  1 snd_intel8x0
ac97_bus               12462  1 snd_ac97_codec
snd_pcm                53315  2 snd_intel8x0,snd_ac97_codec
snd_timer              22027  1 snd_pcm
snd                    38562  6 snd_intel8x0,snd_ac97_codec,snd_pcm,snd_timer
soundcore              12992  1 snd
snd_page_alloc         12899  2 snd_intel8x0,snd_pcm