I/o connectors, Chapter 2 – DFI HU101 User Manual
Page 22
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22
Chapter 2 Hardware Installation
Chapter 2
Audio
Rear Audio
The system board is equipped with 2 audio jacks. A jack is a one-hole connecting interface for
inserting a plug.
• Line-out Jack (Lime)
This jack is used to connect a headphone or external speakers.
• Mic-in
(Pink)
This jack is used to connect an external microphone.
Front Audio
The front audio connector allows you to connect to the second line-out and mic-in jacks that
are at the front panel of your system.
Driver Installation
Install the audio driver. Refer to the chapter 4 for more information.
Line-out
Mic-in
Front
Audio
1
Mic2-L
Line2-R
Front_IO_Sense
GND Presence Signal
Ke
y
2
9
Mic2-
JD
Line2-
JD
10
Mic2-R
Line2-L
Line-out
Mic-in
I/O Connectors
Digital I/O Connector
Digital I/O Power Connector
The 8-bit Digital I/O connector provides powering-on function to external devices that are con-
nected to the connector.
Digital I/O Connector
Pins
Function
0
DIO7
1
DIO6
2
DIO5
3
DIO4
4
DIO3
5
DIO2
6
DIO1
7
DIO0
Digital I/O
1
4
+12V
Ground
5VSB
+5V
Digital I/O power