I use Jack and the QJackctl GUI for connecting my own UC-33 to PD all the time under Linux. Works that way for me just fine. d. Javier Garcia wrote: > I have an UC-33 evolution midi controller. -- derek holzer ::: http://www.umatic.nl ::: http://blog.myspace.com/macumbista ---Oblique Strategy # 54: "Do something sudden, destructive and unpredictable"