Serialports tested with minicom application with typos

Baudrate	Mode	port1	port2
115200		8N1	pass	pass
38400		8N1	pass	pass
38400		7E1	pass	pass
38400		8E1	pass	pass
9600		8M1	pass	pass


Parallel port

1. Tested with EPSON LX-300+II dot matrix. Result pass

