Nelson Johnsrud wrote: > I have been having some trouble with inconsistent programming results. My ICSP writeup at http://www.embedinc.com/picprg/icsp.htm might shed some light on what the programmer needs from the target board. Flaky operation is often insufficient drive levels or target loading of the programming lines, floating PGM pin, or PGC/PGD crosstalk (although not that common on 16F parts). ****************************************************************** Embed Inc, Littleton Massachusetts, (978) 742-9014. #1 PIC consultant in 2004 program year. http://www.embedinc.com/products -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist