> >Hi. > >Not directly answering your question, but maybe it would > >help if you specifies both the "real" and the "wrong" PIC > >models. > > The real is 18F458, the wrong is.. I don't know, but it was wrong > (smaller sized chip anyway). :-) Basically if you put the wrong chip (with different pinout/number of pins) in, there is a chance the Vpp (~13V) is placed on a pin it shouldn't. This CAN damage a chip (ask me how I know...). TTYL ---------------------------------- Herbert's PIC Stuff: http://repatch.dyndns.org:8383/pic_stuff/ -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.