dave@dave-desktop:~$ lsmod | grep snd
snd_intel8x0 34972 1
snd_ac97_codec 100644 1 snd_intel8x0
snd_usb_audio 81024 1
ac97_bus 3200 1 snd_ac97_codec
snd_pcm_oss 44672 0
snd_mixer_oss 17664 1 snd_pcm_oss
snd_pcm 80388 4 snd_intel8x0,snd_ac97_codec,snd_usb_audio,snd_pcm_oss
snd_seq_dummy 4740 0
snd_seq_oss 33152 0
snd_usb_lib 17920 1 snd_usb_audio
snd_seq_midi 9600 0
snd_hwdep 10244 1 snd_usb_audio
snd_rawmidi 25728 2 snd_usb_lib,snd_seq_midi
snd_seq_midi_event 8448 2 snd_seq_oss,snd_seq_midi
snd_seq 53232 6 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_midi_event
snd_timer 24324 2 snd_pcm,snd_seq
snd_seq_device 9228 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq
snd 54660 16 snd_intel8x0,snd_ac97_codec,snd_usb_audio,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_seq_oss,snd_hwdep,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
soundcore 8800 1 snd
snd_page_alloc 11400 2 snd_intel8x0,snd_pcm
usbcore 138632 6 xpad,snd_usb_audio,snd_usb_lib,usbhid,ohci_hcd
dave@dave-desktop:~$ lsusb
Bus 002 Device 002: ID 046d:c03d Logitech, Inc.
Bus 002 Device 001: ID 0000:0000
Bus 001 Device 002: ID 046d:0a07 Logitech, Inc.
Bus 001 Device 001: ID 0000:0000