> Certainly seems like it isn't a version thing then - are the hex files > corrupt/invalid/incompatible? 7.10 gripes at me when I attempt to load an invalid checksum hex file. I really have NO idea what's causing that. Mike H. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist