In SX Microcontrollers, SX/B Compiler and SX-Key Tool, bean wrote: Jeff, Are you using the USB version of the SX-Key ? If so, after running the original program (at 4 mhz) do Run->Clock and make SURE it is set to 4.000MHz. I have found that sometimes the USB version doesn't set the clock properly. Bean. ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=278206#m278228 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2008 (http://www.dotNetBB.com)