If guesses were apples, frogs would have wings. (from Tales of the Inca's) Pookie > Remember also that the *other end* can be off in the > other direction. right, good point, my guess is that the pc will have a clock which is a multiple of the baud rate so that, as others have said, with such a crystal there will be no error. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist