Not meaning to be a smart-a**, but can't you buy those at almost any computer store for $5-10? Seems like what you describe is a standard serial i/o adapter for a PC. Problem might be finding ISA versions, now-a-day, though. --- Mitch -----Original Message----- From: pic microcontroller discussion list [mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of Octavio P Nogueira Sent: Tuesday, February 13, 2001 10:32 AM To: PICLIST@MITVMA.MIT.EDU Subject: [PIC]: ISA board development I need to develop an 8 bits ISA board, probably with a 16F877 with slave PORTD. It's a ISA to RS-232 converter, any link to help me? Friendly Regards Octavio Nogueira =================================================== nogueira@propic2.com ICQ# 19841898 ProPic tools - low cost PIC programmer and emulator http://www.propic2.com =================================================== -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details. -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.