User`s manual

Installation

2-15

Serial Ports: COM2, COM3 and COM4

COM2 is a pin header for second serial port.

Floppy Disk Drive Connector: FDD

The floppy disk drive connector supports 360K, 720K, 1.2M. 1.44M, and

2.88M floppy disk types.

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 RI Ring Indicate

COM2

CLE266

COM4

COM3

FDD