MSI G52-MA00628 - Manual (Page 25)

Chapter 2
2-10
9-Pin Male DIN Connectors
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
Serial Port Connectors: COMA & COMB (for SiS645DX) /
JCOM3 (for SiS650GX/651)
The mainboard offers two 9-pin connectors as serial port COMA & COMB
/ JCOM3. 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 the connectors.
JCOM3
9 8 7 6
5 4 3 2 1
VGA DB 15 Pin Connector (for SiS650GX/651 only)
One optional DB 15-pin VGA connector is provided for connection to a
VGA monitor.
DB 15-Pin Female Connector
5 1
15 11
Analog Video Display Connector (DB-15S)
PIN SIGNAL DESCRIPTION
1 Red
2 Green
3 Blue
4 Not used
5 Ground
6 Ground
7 Ground
8 Ground
9 Power
10 Ground
11 Not used
12 SDA
13 Horizontal Sync
14 Vertical Sync
15 SCL
Pin Definition
1 2 3 4 5
6 7 8 9