> (serial port / wisp628 trouble) > Any enlightenment will be appreciated. No enlightment, but note that I never got Wisp628 or PS+ (!) working on the mianboard serial port of my PC. Both work flawlessly with an usb-to-serial adapter. But the symptoms seem to be different from yours. Wouter van Ooijen -- ------------------------------------------- Van Ooijen Technische Informatica: www.voti.nl consultancy, development, PICmicro products docent Hogeschool van Utrecht: www.voti.nl/hvu -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist