> I just recently bought two identical WinXP PCs that had a DB9 serial > port in them. In > one PC, the DB9 serial port won't work right out of the box. > But the USB > section works, > so I use a USB<>serial cable and all is well. Go figure... The mainboard serial port of my main PC (bought 5 y ago) never worked OK. That's probably more a driver issue than hardware. I always use my (Wisp628) programmers with an usb-serial converter. 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