In SX Microcontrollers, SX/B Compiler and SX-Key Tool, bean wrote: David, If you don't have a resonator or xtal or anything plugged in that is generating a clock, then it is possible your SX-Key is defective. I would double check everything one more time, and if it STILL doesn't work give Parallax Tech Support a call. Bean. ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=152837#m153032 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2006 (http://www.dotNetBB.com)