Digital I/O Connector (Cn20) - Aaeon GENE-9455 Manual

S u b C o m p a c t B o a r d
37 Ground
39 BLUE
41 DDCDATA
43 CRT_PLUG#

2.34 Digital I/O Connector (CN20)

Pin Signal
1 Port 1
3 Port 3
5 Port 5
7 Port 7
9 +5 Volt.
The pin definitions and registers mapping are illustrated below:
Address: 680,682,684H
BIOS Setting
Port 8 @684h
Port 7 @684h
Port 6 @682h
Port 5 @682h
Port 4 @680h
Port 3 @680h
Port 2 @680h
Port 1 @680h
Connector
Address
Definition
CN22 Pin 8 GPIO Set 5 / Bit 2
CN22 Pin 7 GPIO Set 5 / Bit 1
CN22 Pin 6 GPIO Set 3 / Bit 7
CN22 Pin 5 GPIO Set 3 / Bit 6
CN22 Pin 4 GPIO Set 1 / Bit 4
CN22 Pin 3 GPIO Set 1 / Bit 3
CN22 Pin 2 GPIO Set 1 / Bit 2
CN22 Pin 1 GPIO Set 1 / Bit 1
G E N E - 9 4 5 5
38 VSYNC
40 Ground
42 RED
Pin Signal
2 Port 2
4 Port 4
6 Port 6
8 Port 8
10 Ground
IT8712 GPIO
Setting
U9 Pin 9 (GPIO 52)
U9 Pin 10 (GPIO 51)
U9 Pin 11 (GPIO 37)
U9 Pin 12 (GPIO 36)
U9 Pin 31 (GPIO 14)
U9 Pin 32 (GPIO 13)
U9 Pin 33 (GPIO 12)
U9 Pin 34 (GPIO 11)
Chapter 2 Quick Installation Guide
2-23