42
2
Hardware Installation
Audio
Rear Audio
The system board is equipped with 3 audio jacks. A jack is a one-hole connecting
interface for inserting a plug.
• Mic-in Jack (Light Blue)
This jack is used to connect an external microphone.
• Line-in Jack (Lime)
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 (Pink)
This jack is used to connect a headphone or external speakers.
Line-out
Line-in
Mic-in
Rear audio
Front audio
1
Mic2-L
Line2-R
Front_IO_Sense
GND
Presence Signal
Ke
y
2
10
Mic2-
JD
Line2-
JD
9
Mic2-R
Line2-L