User`s manual

Note that the pins of VCC and GND must be connected correctly to avoid

possible damage.

Serial Port Connector: COM1, COM2, COM3, COM4

This connector is a 16550A high speed communications port that sends/receives 16

bytes FIFOs. You can attach a serial device to it through the optional serial port

bracket.

Parallel Port Header: JLPT1

The mainboard provides a 26-pin header for connection to an optional parallel port

bracket. The parallel port is a standard printer port that supports Enhanced Parallel

Port (EPP) and Extended Capabilities Parallel Port (ECP) mode.

PIN SIGNAL DESCRIPTION

1 DCD Data Carry Detect

2 SIN Serial In or Receive Data

3 SOUT Serial Out or Transmit Data

4 DTR Data Terminal Ready

5 GND Ground

6 DSR Data Set Ready

7 RTS Request To Send

8 CTS Clear To Send

9 VCC_COM Power Source