> Let me know what you find out... The document both of you search for is this one: http://www.usb.org/developers/devclass_docs/midi10.pdf Rainer -- Dr. Rainer Buchty, LRR, Technical University of Munich @ Garching Phone: +49 (89) 289-18477, Fax +49 (89) 289-17662, Room 01.06.061