Jinx schreef: >> I suspect the 10 Mhz crystal oscillator is not oscillating >> > > >> Any ideas about what to do next would be welcome. >> > > Upload a LED blinker ? > > That is what my first program is supposed to be... Frank Abbing -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist