jtroxas wrote: >I could not find a way to check the Rx shift register... so what I did was >add 4 null bytes to the end of everything I was sending to the PIC from the >PC.. and when the pic trims this 4 null bytes.. the PC will still receive >the relevant data.. Well, it certainly is a hack. :) I would spend the time to get to the bottom of the problem, otherwise it can come back and bit you in the you-know-what. Vitaliy -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist