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8-bit GPIO
The Digital I/O connector provides powering-on function to an external device that is con-
nected to this connector.
Pins
Pin Assignment
1
2
3
4
5
6
7
8
G
Chapter 5 Ports and Connectors
DIO1
DIO2
DIO3
DIO4
DIO5
DIO6
DIO7
DIO8
GND
Chapter 5
COM (Serial) Ports
COM 5 and COM 6 are fixed at RS232.
The serial ports are asynchronous communication ports with 16C550A-compatible UARTs that
can be used with modems, serial printers, remote display terminals, and other serial devices.
Connecting External Serial Ports
Your COM port may come mounted on a card-edge bracket. Install the card-edge bracket to
an available slot at the rear of the system chassis then insert the serial port cable to the COM
connector. Make sure the colored stripe on the ribbon cable is aligned with pin 1 of the COM
connector.
BIOS Setting
Configure the serial COM ports in the Advanced menu ("SIO NUVOTON6106D" submenu) of
the BIOS. Refer to the chapter 7 for more information.
43
8
7
6
9
COM 5
COM 6
5
4
3
2
1
COM 5 and COM 6:
RS232
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