Connecting The Ribbon Cables And Wires Of The Ports And Connectors - DFI P5BTX/L User Manual

2.2.5 Connecting the Ribbon Cables and Wires of
the Ports and Connectors
2.2.5.1 Serial Ports
The built-in serial ports are RS-232C asynchronous communication
ports with 16C550A-compatible UARTs that can be used with
modems, serial printers, remote display terminals, and other serial
devices. You can set the serial ports' I/O address in the Integrated
Peripherals setup of the Award BIOS.
The serial ports use the following system I/O addresses:
Port Configuration
Serial Port 1
Serial Port 2
* Default
Connecting the Serial Ports
Two serial port cables mounted
on a card-edge bracket are
provided with the system board.
Connect one serial port cable
to connector J7 for COM 1
primary serial port and the
other serial port cable to
connector J8 for the COM 2
secondary serial port. Make sure
the colored stripes on the
ribbon cables are aligned with
pins 1 of connectors J7 and J8.
Mount the card-edge bracket to the system chassis.
Hardware Installation
COM2 COM3
COM1
3F8h* 2F8h 3E8h
3F8h 2F8h* 3E8h
2
COM4
2E8h
2E8h
25