lsmod|grep '^snd'

PCLOS
=====

snd_seq_dummy           3908  0
snd_seq_oss            32512  0
snd_seq_midi_event      7616  1 snd_seq_oss
snd_seq                52272  5 snd_seq_dummy,snd_seq_oss,snd_seq_midi_event
snd_pcm_oss            43072  0
snd_mixer_oss          16608  1 snd_pcm_oss
snd_cmipci             34784  0
snd_pcm                76868  2 snd_pcm_oss,snd_cmipci
snd_page_alloc         10152  1 snd_pcm
snd_opl3_lib           10816  1 snd_cmipci
snd_timer              22884  3 snd_seq,snd_pcm,snd_opl3_lib
snd_hwdep               9348  1 snd_opl3_lib
snd_mpu401_uart         8704  1 snd_cmipci
snd_rawmidi            24320  1 snd_mpu401_uart
snd_seq_device          8268  5 snd_seq_dummy,snd_seq_oss,snd_seq,snd_opl3_lib,snd_rawmidi
snd                    52708  12 snd_seq_oss,snd_seq,snd_pcm_oss,snd_mixer_oss,snd_cmipci,snd_pcm,snd_opl3_lib,snd_timer,snd_hwdep,snd_mpu401_uart,snd_rawmidi,snd_seq_device
 
Gentoo
======
snd_opl3_synth         11268  0
snd_seq_instr           5376  1 snd_opl3_synth
snd_seq_midi_emul       5120  1 snd_opl3_synth
snd_ainstr_fm           2176  1 snd_opl3_synth
snd_pcm_oss            33952  0
snd_mixer_oss          12544  1 snd_pcm_oss
snd_seq_oss            24832  0
snd_seq_midi_event      5504  1 snd_seq_oss
snd_seq                37040  7 snd_opl3_synth,snd_seq_instr,snd_seq_midi_emul,s    nd_seq_oss,snd_seq_midi_event
snd_cmipci             25440  0
snd_pcm                58248  2 snd_pcm_oss,snd_cmipci
snd_page_alloc          7304  1 snd_pcm
snd_opl3_lib            7424  2 snd_opl3_synth,snd_cmipci
snd_timer              15364  3 snd_seq,snd_pcm,snd_opl3_lib
snd_hwdep               6148  1 snd_opl3_lib
snd_mpu401_uart         5760  1 snd_cmipci
snd_rawmidi            16544  1 snd_mpu401_uart
snd_seq_device          5384  4 snd_opl3_synth,snd_seq_oss,snd_opl3_lib,snd_rawm    idi
snd                    37220  13 snd_opl3_synth,snd_pcm_oss,snd_mixer_oss,snd_se    q_oss,snd_seq,snd_cmipci,snd_pcm,snd_opl3_lib,snd_timer,snd_hwdep,snd_mpu401_uar    t,snd_rawmidi,snd_seq_device


Arch
===
snd_via82xx            23192  0
snd_ac97_codec         95268  1 snd_via82xx
snd_cmipci             31872  0
snd_opl3_lib            8832  1 snd_cmipci
snd_mpu401_uart         7168  2 snd_via82xx,snd_cmipci
snd_rawmidi            19232  1 snd_mpu401_uart
snd_hwdep               7300  1 snd_opl3_lib
snd_seq_oss            29312  0
snd_seq_midi_event      6528  1 snd_seq_oss
snd_seq                46800  4 snd_seq_oss,snd_seq_midi_event
snd_seq_device          6924  4 snd_opl3_lib,snd_rawmidi,snd_seq_oss,snd_seq
snd_pcm_oss            36896  0
snd_pcm                68996  4 snd_via82xx,snd_ac97_codec,snd_cmipci,snd_pcm_oss
snd_timer              19332  3 snd_opl3_lib,snd_seq,snd_pcm
snd_page_alloc          8072  2 snd_via82xx,snd_pcm
snd_mixer_oss          14464  1 snd_pcm_oss
snd                    44644  14 snd_via82xx,snd_ac97_codec,snd_cmipci,snd_opl3_lib,snd_mpu401_uart,snd_rawmidi,snd_hwdep,snd_seq_oss,snd_seq,snd_seq_device,snd_pcm_oss,snd_pcm,snd_timer,snd_mixer_oss