In SX Microcontrollers, SX/B Compiler and SX-Key Tool, robotworkshop wrote: Does your system have an Internal Modem? I've seen some systems where the DB-9 serial port on the motherboard was set to disabled in the BIOS so that the add-in Modem becomes COM1 and may be the only one that shows up. Can you check in the BIOS to see what is configured? Is there any chance of trying this on another PC? Robert ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=184026#m184052 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2007 (http://www.dotNetBB.com)