AAEON GENE-9455 Rev.B - Manual (Page 25)

S u b C o m p a c t B o a r d G E N E - 9 4 5 5 R e v . B
Chapter 2 Quick Installation Guide 2-12
2.12 External +5V Standby Power Input & PS ON# (CN1)
Pin Signal
1 PS_ON#
2 Ground
3 +5 Volt. Standby
2.13 Digital I/O Connector (CN2)
This connector offers 4-pair of digital I/O functions and address is 2A0, 2A2,
2A4H. The pin definitions are illustrated below:
Pin Signal Pin Signal
1 Port 1 2 Port 2
3 Port 3 4 Port 4
5 Port 5 6 Port 6
7 Port 7 8 Port 8
9 +5 Volt. 10 Ground
The pin definitions and registers mapping are illustrated below:
Address: 2A0, 2A2, 2A4H
BIOS Setting
Connector
Definition
Address IT8781F GPIO
Port 8 @2A4h CN2 Pin 8 GPIO Set 5 / Bit 2 U6 Pin 9 (GPIO 52)
Port 7 @2A4h CN2 Pin 7 GPIO Set 5 / Bit 1 U6 Pin 10 (GPIO 51)
Port 6 @2A2h CN2 Pin 6 GPIO Set 3 / Bit 7 U6 Pin 11 (GPIO 37)
Port 5 @2A2h CN2 Pin 5 GPIO Set 3 / Bit 6 U6 Pin 12 (GPIO 36)
Port 4 @2A0h CN2 Pin 4 GPIO Set 1 / Bit 4 U6 Pin 31 (GPIO 14)
Port 3 @2A0h CN2 Pin 3 GPIO Set 1 / Bit 3 U6 Pin 32 (GPIO 13)
Port 2 @2A0h CN2 Pin 2 GPIO Set 1 / Bit 2 U6 Pin 33 (GPIO 12)
Port 1 @2A0h CN2 Pin 1 GPIO Set 1 / Bit 1 U6 Pin 34 (GPIO 11)