I've got a Vector MZ with a ZCB processor and BitStreamer II I/O board; at present the 4.0 'C' series monitor program uses serial port A on the BitStreamer for its console, but I want to remove the BitStreamer and use the serial port on the ZCB instead. At a fast glance I can't see a jumper setting that would accomplish that; anybody out there have any experience/ideas by any chance? TIA, mike