> Hmm.. my PICSTART Plus (3.10.00) shows 0xFFFFFFFF for the device ID. > But the checksum is 02D8. Both on the 18F252 and F452 samples > I tried (three virgin chips direct from uChip). My programmer (Wisp628 of course) says '18F452 revision 5'. Wouter van Ooijen -- ------------------------------------------- Van Ooijen Technische Informatica: www.voti.nl consultancy, development, PICmicro products -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics