MS-9130 Workstation Mainboard

Keyboard Connector

The mainboard provides a standard PS/2® keyboard mini DIN connector for attaching a PS/2® keyboard. You can plug a PS/2® keyboard directly into this connecto. The connector location and pin assignments are as follows.

6 5

4

3

2 1

PS/2 Keyboard (6-pin Female)

Pin Definition

PIN

SIGNAL

DESCRIPTION

1

Keyboard Data

Keyboard data

2

NC

No connection

3

GND

Ground

4

VCC

+5V

5

KeyboardClock

Keyboardclock

6

NC

No connection

 

 

 

Serial Ports: COM1 & COM2

The mainboard provides two 9-pin mail DIN connectors as serial port COM1 & COM2. The serial port is a 16550A high speed communication port that sends/receives 16 bytes FIFOs. You can attach a serial mouse or other serial device directly to it.

 

 

 

 

 

 

 

 

 

Pin Definition

 

 

 

 

 

 

 

PIN

SIGNAL

DESCRIPTION

 

1

2

3

4

5

 

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

 

 

 

 

 

 

7

RTS

Request To Send

 

 

 

 

 

 

 

 

COM1 & COM2

8

CTS

Clear To Send

 

9

RI

Ring Indicate

 

 

 

 

 

 

 

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Image 25
Micro Star  Computer MS- 9130 v1.x manual Keyboard Connector, Serial Ports COM1 & COM2