In SX Microcontrollers, SX/B Compiler and SX-Key Tool, Sasha_088 wrote: Thanks Robert, I use Sx Tech board with SX-Key interface and no external oscillator or crystal or resonator, internal only and yes, it only run with the SX Key attached. ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=245212#m245220 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)