Connecting Optional Devices
Refer to the following for information on connecting the
mainboard’s optional devices:
USBCR1
1
AUDIO1
1
USB3
1
AUDIO1: Front Panel Audio header
This header allows the user to install auxiliary front-oriented
microphone and line-out ports for easier access.
Pin Signal
Pin
Signal
1 AUD_MIC
2
AUD_GND
3 AUD_MIC_BIAS
4
AUD_VCC
5 AUD_FPOUT_R
6
AUD_RET_R
7 NC
8
KEY
9 AUD_FPOUT_L 10
AUD_RET_L
15