Signal – AAEON EPIC-9457 Rev.A User Manual
Page 32
E P I C B o a r d
E P I C - 9 4 5 7 R e v . A
Chapter 2 Quick Installation Guide
2-19
2.27 Digital I/O Connector (CN14)
Pin
Signal Pin
Signal
1 Port1
2 Port2
3 Port3
4 Port4
5 Port5
6 Port6
7 Port7
8 Port8
9 +5V
10
GND
Mapping Table:
BIOS
Setting
Connector
Definition
Address
IT8781 GPIO
Setting
Port 8 @684h CN14 Pin 8
GPIO Set 5 / Bit 2
U26 Pin 9 (GPIO 52)
Port 7 @684h CN14 Pin 7
GPIO Set 5 / Bit 1
U26 Pin 10 (GPIO 51)
Port 6 @682h CN14 Pin 6
GPIO Set 3 / Bit 7
U26 Pin 11 (GPIO 37)
Port 5 @682h CN14 Pin 5
GPIO Set 3 / Bit 6
U26 Pin 12 (GPIO 36)
Port 4 @680h CN14 Pin 4
GPIO Set 1 / Bit 4
U26 Pin 31 (GPIO 14)
Port 3 @680h CN14 Pin 3
GPIO Set 1 / Bit 3
U26 Pin 32 (GPIO 13)
Port 2 @680h CN14 Pin 2
GPIO Set 1 / Bit 2
U26 Pin 33 (GPIO 12)
Port 1 @680h CN14 Pin 1
GPIO Set 1 / Bit 1
U26 Pin 34 (GPIO 11)
Digital I/O Address is 680,682,684H
2.28 Power Output Connector (CN15)
Pin
Signal Pin
Signal
1 +12V
2 GND
3 GND
4 +5V