Perdón porlos dos mails, olvidé mencionar la salida de "cat /dev/sndstat": Installed drivers: Type 10: ALSA emulation Card config: SiS SI7012 with ALC655 at 0xe000, irq 209 Audio devices: 0: SiS SI7012 (DUPLEX) Synth devices: NOT ENABLED IN CONFIG Midi devices: NOT ENABLED IN CONFIG Timers: 7: system timer Mixers: 0: Realtek ALC655 rev 0