User`s manual

Connecting Optional Devices
Refer to the following for information on connecting the
mainboard’s optional devices:
1
1
IR1
USB2
1
AUDIO1
1
SPK1
SPK1: Speaker Connector
Connect the cable from the PC speaker to the SPK1 connector on
the mainboard.
Pin Signal Pin Signal
1 SPKR 2 NC
3 GND 4 +5V
AUDIO1: Front Panel Audio Connector
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 HP_ON 8 KEY
9 AUD_FPOUT_L 10 AUD_RET_L
13