MSI 865PE NEO2-PLS User Guide - Page 33

Serial Port Connectors: COM A, VGA Connector Optional

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MS-6728 ATX Mainboard Serial Port Connectors: COM A The mainboard offers one 9-pin male DIN connectors as serial port COM A. The port is a 16550A high speed communication port that sends/receives16 bytes FIFOs. You can attach a serial mouse or other serial devices directly to the connectors. Pin Definition 1 2 3 4 5 PIN SIGNAL DESCRIPTION 1 2 3 4 6 7 8 9 5 9-Pin Male DIN Connector 6 7 8 9 DCD SIN SOUT DTR GND DSR RTS CTS RI Data Carry Detect Serial In or Receive Data Serial Out or Transmit Data Data Terminal Ready) Ground Data Set Ready Request To Send Clear To Send Ring Indicate VGA Connector (Optional) The mainboard provides a DB 15-pin female connector to connect a VGA monitor. 5 1 15 11 VGA Connector (DB 15-pin) Pin Signal Description 1 RED 2 GREEN 3 BLUE 4 N/C 5 GND 6 GND 7 GND 8 GND 9 +5V 10 GND 11 N/C 12 SDA 13 Horizontal Sync 14 Vertical Sync 15 SCL 2-12

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2-12
MS-6728 ATX Mainboard
Serial Port Connectors: COM A
The mainboard offers one 9-pin male DIN connectors as serial port COM
A.
The port is a 16550A high speed communication port that sends/receives16
bytes FIFOs.
You can attach a serial mouse or other serial devices directly to
the 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
9-Pin Male DIN Connector
1
2
3
4
5
6
7
8
9
VGA Connector (Optional)
The mainboard provides a DB 15-pin female connector to connect a VGA
monitor.
Pin
Signal Description
1
RED
2
GREEN
3
BLUE
4
N/C
5
GND
6
GND
7
GND
8
GND
9
+5V
10
GND
11
N/C
12
SDA
13
Horizontal Sync
14
Vertical Sync
15
SCL
VGA Connector
(DB 15-pin)
1
5
11
15