sx1 ce i raditi normalno jer njemu ne trebaju driveri za kabel buduci da on radi na "pravom" USB-u, a za M55 pokusaj s drugim driverima...
imas ovdje neke:
http://www.siemensfreaks.com/prog/Driver%20USB2COM.rar
http://www.siemensfreaks.com/prog/DCA540v071.rar
http://communications.siemens.com/re...iver_v2008.zip