> Will a fresh, unprogrammed chip oscillate if it is powered up? It should as long as you hook it up for the oscillator mode that is selected when all config bits are 1. On the 16F87x this is RC oscillator mode. ***************************************************************** 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.