Serial Port - J1 and J4

Connector Jl and J4 provide the standard AT-type RS-232C serial interfaces.

Note

you can use the on board serial ports for COM 1 and COM

2.If you have external card for serial ports on your system, you must disable the on-board serial port. when you’d like to disable the on board serial ports, do the following;

1.Open the hardware jumper, JP3 and JP4.2.Enter the Extended Setup Program and disable the serial ports.Refer to Chapter 2 for the detailed descriptions of Extended Setup Program.Parallel Port - J2

Connector J2 on the system board provides a standard Centronics 25pin parallel interface.

Note

If you want to use external device for parallel port, you should disable the on-board parallel ports. Like the case of serial ports, do the following for disable the parallel ports.

For more instruction of Extended Setup Program, see Chapter 2 in this manual.1.Open the hardware jumper, JP2.

2.Enter the Extended Setup Program and disable the serial ports.

B-6 System MotherBoard