Around Christmas 99 there was a discussion about termination resistors. IIRC it either mentioned or developed into something about transmission problems. Several problems have been posted regarding erratic operation of circuits, and some were found to be caused by excess wiring I've just this very day had the experience of an AVR programmer not working when attached to LPT via an extension cable. It had to be straight into LPT (ie 2ft not 6ft) or data writing was flakey -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! use mailto:listserv@mitvma.mit.edu?body=SET%20PICList%20DIGEST