User`s guide

14
Motherboard User’s Guide
Connecting Optional Devices
Refer to the following for information on connecting the motherboard’s optional
devices:
Pin Signal Pin Signal
1SPKR2 NC
3GND4+5V
SPK1: Speaker Header
Connect the cable from the PC speaker to the SPK1 header on the motherboard.
F_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 A UD_MIC 2 A UD_GND
3 A UD_MIC_BIAS 4 A UD_VCC
5 A UD_FPOUT_R 6 AUD_RET_R
7HP_ON 8KEY
9 A UD_FPOUT_L 10 A UD_RET_L