Download PC CHIPS A33G motherboard

Motherboard User’s Guide
Connecting Optional Devices
Refer to the following for information on connecting the motherboard’s optional
devices:
SPK1: Speaker Header
Connect the cable from the PC speaker to the SPK1 header on the motherboard.
Pin
1
2
3
4
Signal
+5V
NC
GND
SPKR
F_AUDIO1: Front Panel Audio Header
This header allows the user to install auxiliary front-oriented microphone and lineout ports for easier access.
Pin
1
3
5
7
9
Signal
AUD_MIC
AUD_MIC_BIAS
AUD_FPOUT_R
NC
AUD_FPOUT_L
Pin
2
4
6
8
10
12
Signal
AUD_GND
AUD_VCC
AUD_RET_R
KEY
AUD_RET_L