>> Have made a little PIC thing that communicates with a computer through the serial port. This works fine with windows 95 but doesn't transfer to NT because NT does not allow use of the _inp() and _outp() functions. What can be done that doesn't require either brains or money? << Not much, of course. If you're not willing to spend either money or effort, then any effort on my part to answer the question is just a waste of time. ******************************************************************** Olin Lathrop, embedded systems consultant in Littleton Massachusetts (978) 742-9014, olin@embedinc.com, http://www.embedinc.com -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu