Quoting Clemens Ladisch <clemens(a)ladisch.de>de>: [Hide Quoted Text] Hiram Abiff wrote: Quoting Clemens Ladisch <clemens(a)ladisch.de>de>: Hiram Abiff wrote: I: If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=(none) Apparently the snd-usb-audio module is not loaded. ok. what could cause this? Any recent distribution should automatically load USB driver. Which one are you using? Did you compile your own kernel?ž I use Slackware 10.1. And yes I compiled my own kernel with ALSA as a module. [Hide Quoted Text] can I force load it with modprobe? Yes. It get's automatically loaded when I use mu USB to MIDI XP MIDI MATE cable. But this is on another computer, isn't it? Regards, Clemens No it's on the same computer, that's what puzzles me. The module loads for the MIDI MATE but not for the DR-880. When I do lsmod I see that snd-usb-audio is loaded???? BTW. thanks for all the help, Clemens. Best, Hiram. -- Come, fill the Cup, and in the Fire of Spring The Winter Garment of Repentance fling: The Bird of Time has but a little way To flutter -- and the Bird is on the Wing.