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Optional Devices
Refer to the following information for connecting the main board optional devices.
AUDIO1: Front Panel Audio Header for Azalia
This header allows you to install auxiliary front-oriented microphone and line-out ports for easier
access.
Pin
Signal Name
1
AUD_MIC
3
MIC_BIAS
5
AUD_F_R
7
FRONT_IO_SENSE
9
AUD_F_L
AUX_IN: Auxiliary in Connector
This connector is an additional line-in audio connector. It allows you to attach a line-in cable
when the rear line-in jack is set as line-out port for four-channel function.
Pin
Signal Name
1
AUX_R
2
GND
3
GND
4
AUX_L
58
Pin
Signal Name
2
AUD_GND
4
PRESENCE
6
AUD_RET_R
8
KEY
10
AUD_RET_L
Function
AUX in right channel
Ground
Ground
AUX in left channel
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