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MS-6540G Micro ATX Mainboard
Serial Port Connector: COMA
The mainboard offers one 9-pin male DIN connector as serial port COM
A. This port is 16550A high speed communication ports that send/receive 16
bytes FIFOs. You can attach a serial mouse or other serial device directly to it.
9-Pin Male DIN Connector
1 2 3 4 5
6 7 8 9
VGA Connector
The mainboard provides a DB 15-pin female connector to connect a VGA
monitor.
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
IEEE 1394 Port (Optional)
The back panel provides one standard IEEE 1394 port. The standard
IEEE 1394 port connects to IEEE 1394 devices without external power. The
IEEE 1394 high-speed serial bus complements USB by providing enhanced PC
connectivity for a wide range of devices, including consumer electronics au-
dio/video (A/V) appliances, storage peripherals, other PCs, and portable
devices.
VGA Connector
(DB 15-pin)
1
5
11
15
Pin Signal Description
1 RED
2 GREEN
3 BLUE
4 N/C
5 GND
6 GND
7 GND
8 GND
Pin Signal Description
9 +5V
10 GND
11 N/C
12 SDA
13 Horizontal Sync
14 Vertical Sync
15 SCL
1394 Port
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