Micro Star Computer MS- 9130 v1.x - Manual (Page 25)

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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.
PS/2 Keyboard
(6-pin Female)
2 1
3 4
5 6 PIN SIGNAL DESCRIPTION
1 Keyboard Data Keyboard data
2 NC No connection
3 GND Ground
4 VCC +5V
5 Keyboard Clock Keyboard clock
6 NC No connection
Pin Definition
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.
COM1 & COM2
1 2 3 4 5
6 7 8 9
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
Pin Definition