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Board Layout

Chapter 3

Embedded and Industrial Computing

COM2 RS-232/422/485 Serial Port(CN4): It is a RS-

232/422/485 port through the D-SUB9 connector.

J10, SC2T1: Select COM1 Protocol Setting

RS-232

RS-422

RS-485

Jumper Settings

Audio Line-in RCA Connector Right and Left (J4, J5)

Audio Line-out RCA Connector Right and Left (J2, J3)

Note: The driver for the VGA and Audio ports

should be installed with the following order:

Chipset INF->Graphic->Audio

COM1 RS-232/422/485 Serial Port (CN3): It is a RS-

232/422/485 port through the D-SUB9 connector.

Pin No. Function

1 Front_out

2 GND

Pin No. Function

1 Front_out

2 GND

SC2T1

J10

6789

12345

Pin No. Pin Name

RS-232 RS-422 RS-485

1 Data Carrier Detect

(DCDA # )

TXD- DATA-

2 Receive Data

(RXDA )

TXD+ DATA+

3 Transmit Data

(TXDA )

RXD+

4 Data Terminal Ready

(DTRA # )

RXD-

5 Ground

(GND )

6 Data Set Ready

(DSRA # )

7 Request To Send

(RTSA # )

8 Clear To Send

(CTSA # )

9 Ring Indicator

(RIA # )