I/o connectors, Chapter 2 – DFI HD636-H81CS User Manual
Page 24
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Chapter 2 Hardware Installation
Chapter 2
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Audio
Rear Audio
The system board is equipped with 3 audio jacks. A jack is a one-hole connecting interface for
inserting a plug.
• Line-in/Surround Jack (Light Blue)
This jack is used to connect any audio devices such as Hi-fi set, CD player, tape player,
AM/FM radio tuner, synthesizer, etc.
• Line-out Jack (Lime)
This jack is used to connect a headphone or external speakers.
• Mic-in/Center+Subwoofer Jack (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.
Rear 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
Front
Audio
The 8-bit Digital I/O connector provides powering-on function to external devices that are con-
nected to these connectors.
I/O Connectors
Digital I/O with Power Connector
Digital I/O Connector
Pins
Pin Assignment
Pins
Pin Assignment
1
GND
2
+12V
3
DIO7
4
+12V
5
DIO6
6
GND
7
DIO5
8
+5V
9
DIO4
10
+5V
11
DIO3
12
GND
13
DIO2
14
+5V_Standby
15
DIO1
16
+5V_Standby
17
DIO0
18
GND
19
GND
19
1
2
Digital I/O
Line-in/Surround
Mic-in/
Center+Subwoofer
Line-out