User`s guide

12
Motherboard User’s Guide
Connecting Optional Devices
Refer to the following for information on connecting the motherboard’s optional
devices:
JUSB2
1
JUSB1
1
SPK1: Speaker Header
Connect the cable from the PC speaker to the SPK1 header on the motherboard.
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
1SPKR2 NC
3GND4+5V
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
7HP_ON 8KEY
9 AUD_FPOUT_L 10 AUD_RET_L
AUDIO1
1
SPK1
1
1
IR1