> Check whether there is a difference in the osc programming between the > two. You may also have damaged the osc input with static. Try > another chip - as uChip states, there is no difference in the osc configuration between the two devices (see migration documen t, and the see the two datasheets) - the osc input still works, because it does work with an external (canned) oscillator - same effect with 873a, 874a, 876a Wouter van Ooijen -- ------------------------------------------- Van Ooijen Technische Informatica: www.voti.nl consultancy, development, PICmicro products -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body