Hardware Setup

Serial Port Connector: COM A & COM B

The mainboard offers two 9-pin male DIN connectors for serial port COM A and COM B. The ports are 16550A high speed communication ports that send/receive 16 bytes FIFOs. You can attach a serial mouse or other serial devices directly to them.

 

 

 

 

 

 

Pin Definition

 

 

 

 

 

 

 

 

1 2

3

4 5

 

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

7

8 9

 

 

6

DSR

Data Set Ready

9-Pin Male DIN Connectors

7

RTS

Request To Send

8

CTS

Clear To Send

 

 

 

 

 

9

RI

Ring Indicate

Audio Port Connectors

Line Out is a connector for Speakers or Headphones. Line In is used for external CD player, Tape player, or other audio devices. Mic is a connector for

microphones.

MIC

Line In

1/8” Stereo Audio Connectors

Line Out

Note: Details on the application of 6-channel audio can be acquired by installing the CMI8738 Audio Driver on the CD-ROM (enclosed in the product package).

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Premio Computer Premio Computer Serial Port Connector COM a & COM B, Audio Port Connectors, Stereo Audio Connectors

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