User`s guide

12
Motherboard User’s Guide
Connecting Optional Devices
Refer to the following for information on connecting the motherboard’s optional
devices:
Pin Signal
1SPKR
2NC
3GND
4+5V
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.
1
IR1
SPK1
1
USB2
1
USB3
1
AUDIO1
1