In SX Microcontrollers, SX/B Compiler and SX-Key Tool, lincoln wrote: I had the sam problem, for me it was a matter of changing the serial adapter i was using. i first was using the Sabrent SBT-US1K adapter and i could talk to another serial port with a null modem cable and program basic stamps but the sx key gave me "SX-Key not found on COM " error. I switched to Keyspan's USA=19HS and worked find with no issues . ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=315697#m323834 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2009 (http://www.dotNetBB.com)