12
Connecting Optional Devices
Refer to the following for information on connecting the
mainboard’s optional devices:
SPK1: Speaker Connector
Connect the cable from the PC speaker to the SPK1 connector on
the mainboard.
Pin Signal
Pin Signal
1
+5V
2
NC
3
GND
4
SPKR
AUDIO1: Front Panel Audio Connector
This connector 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
USB2/3: Front panel USB Connector
The mainboard has USB ports installed on the rear edge I/O port
array. Additionally, some computer cases have USB ports at the
front of the case. If you have this kind of case, use auxiliary USB
connectors USB2/USB3 to connect the front-mounted ports to the
mainboard.
SPK1
AUDIO1
1
1
1
SIR1
USB3
USB2
1
1
J6
1
