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M i n i - I T X
2.11 RS-232 Pin Header (COM 1, 3, 4)
Pin
Signal
1
DCD
3
TXD
5
GND
7
RTS
9
RI
2.12 RS-232/422/485 Pin Header (COM 2)
Pin
Signal
1
DCD
3
TXD
5
GND
7
RTS
9
RI
2.13 Digital I/O Pin Header (DIO 1)
The memory address is 0xFED80180~ 0xFED80187.
Pin
Signal
1
DIO1
3
DIO3
5
DIO5
7
DIO7
9
+5V
BIOS Setting
DIO_P#8 @MIO:FED80187
DIO_P#7 @MIO:FED80186
E M B - A 5 0 M
Pin
Signal
2
RXD
4
DTR
6
DSR
8
CTS
10
N.C
Pin
Signal
2
RXD
4
DTR
6
DSR
8
CTS
10
N.C
Pin
Signal
2
DIO2
4
DIO4
6
DIO6
8
DIO8
10
GND
Connector
Definition
Pin 8
Pin 7
Chapter 2 Quick Installation Guide
AMD Chipset GPIO
Address
GPIOD135
GPIOD134
2 - 15
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