> The one thing you didn't mention is trying a crystal oscillator. Have > you tried that? He's verified the oscillator is running by looking at the waveforms on a scope. I think the oscillator is pretty well eliminated as the problem. I see nothing obviously wrong with his setup, and he seems to have checked for all the usual faults. It's a long shot, but I agree with Andy that maybe the code isn't getting into the chip. ***************************************************************** Embed Inc, embedded system specialists in Littleton Massachusetts (978) 742-9014, http://www.embedinc.com -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.