DFI COM100-B - Manual (Page 18)

www.dfi.com Chapter 2 Hardware Installation
18
Chapter 2
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 (Pink)
This jack is used to connect to the center and subwoofer speakers of the audio system.
COM1
COM2
I C
COM2
COM1
Front Audio
Line-out
Mic-in/
Center+Subwoofer
Line-in/Surround
10
AUD_HPRET_L AUD_HPRET_R AUD_GND
AUD-HPOUT
-L
5V
Analog
AUD_MIC_BIA
S
9 1
AUD_HPOUT_R
AUD_MIC
2
Ke
y
AUD_GND
I/O Connectors
S/PDIF Connector
The S/PDIF connectors are used to connect external S/PDIF ports. Your S/PDIF ports may be
mounted on a card-edge bracket. Install the card-edge bracket to an available slot at the rear
of the system chassis then connect the audio cable to the S/PDIF connector. Make sure pin 1
of the audio cable is aligned with pin 1 of the connector.
5
1
+5V
Key
SPDIF out
Ground
SPDIF in
COM1
COM2
I C
COM2
COM1
S/PDIF