Installation guide

Mini ITX EMB-945T Rev.A
Chapter 2 Quick Installation Guide 2 - 12
2.13 CD-IN Connector (CN1)
Pin Signal
1 CD_IN_L
2 CD_GND
3 CD_GND
4 CD_IN_R
2.14 Digital I/O Connector (CN2)
This connector offers 4-pair of digital I/O functions and address is set in BIOS.
The default address is 2A1H. The pin definitions are illustrated below:
Pin Signal Pin Signal
1 Digital-IN/ OUT 2 Digital-IN/OUT
3 Digital-IN/ OUT 4 Digital-IN/ OUT
5 Digital-IN/ OUT 6 Digital-IN/ OUT
7 Digital-IN/ OUT 8 Digital-IN/ OUT
9 +5V 10 GND
The pin definitions and registers mapping are illustrated below:
4 in / 4 out
Pin8 Pin7 Pin6 Pin5 Pin4 Pin3 Pin2 Pin1
GPI 27 GPI 26 GPI 25 GPI 24 GPO 23 GPO 22 GPO 21 GPO 20
MSB LSB
8 in
Pin8 Pin7 Pin6 Pin5 Pin4 Pin3 Pin2 Pin1
GPI 27 GPI 26 GPI 25 GPI 24 GPI 23 GPI 22 GPI 21 GPI 20
MSB LSB
8 out
Pin8 Pin7 Pin6 Pin5 Pin4 Pin3 Pin2 Pin1
GPO 27 GPO 26 GPO 25 GPO 24 GPO 23 GPO 22 GPO 21 GPO 20
MSB LSB