Table of Contents
Advertisement
IMB202 LGA775 ATX Board User's Manual
2.4.1 VGA Connector (CN1)
CN1 is a standard 15-pin pin DB15 connector commonly used for the
CRT VGA display.
Pin
Signal
1
Red
4
N/A
7
AGND
10
GND
13
Horizontal Sync
2.4.2 Serial Port Interface Connector (CN2)
(RS232/RS422/RS485)
The board has four onboard serial ports .COM1 is a standard D-Sub 9
pin connector and support RS232 function
PIN
Number
1
Data Carrier Delect (DCD)
2
Receive Date (RXD)
3
Transmit Data (TXD)
4
Data Terminal Ready (DTR)
5
GND
6
Data Set Ready (DSR)
7
Request to Send (RTS)
8
Clear to Send (CTS)
9
Ring Indicator (RI)
12
Pin
Signal
2
Green
5
GND
8
AGND
11
N/A
14
Vertical Sync
CN2
RS-422
RS-232
GND
Pin
Signal
3
Blue
6
AGND
9
N/A
12
DDC DAT
15
DDC CLK
RS-485
TX-
Data -
TX+
Data +
RX+
NC
RX-
NC
GND
NC
NC
NC
NC
NC
NC
NC
NC
Jumpers and Connectors
Advertisement
Table of Contents
