Hi again. Ok, I had to look up my driver CD that come with my USB/RS232 converter (called BF-810, www.bafo.com). The CD says : Win 98/98SE/ME/2000/XP Mac OS 8.6 through 9.x (whatever that means...) But Mac OS <> Linux, right ? Anyway, this converter runs with the Wisp628 just fine. Regards Jan-Erik. -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.