3 ms·
Serial ports (RS-232) were one of the most variable ports ever used. Each device that you wanted to connect to a computer required a differently wired cable. Wi
by Tagbert 7y ago
Serial ports (RS-232) were one of the most variable ports ever used. Each device that you wanted to connect to a computer required a differently wired cable. Wires mapped to different pins, pins soldered together. It was a nightmare.