User`s manual

Installation

Front Audio Panel Connector: F_AUDIO

This connector allows you to connect a front audio panel to the mainboard.

Only the line-out and microphone functions are available for use on the front

panel. To connect the front audio cable, first remove the two plastic

jumpers.

Pin Signal Description

1 FRNMIC Front panel microphone input

2 AGND Ground used by analog audio circuit

3 MIC_BIAS Microphone power

4 +5V AUDIO VCC used by analog audio circuit

5 LINE_OUT_R Right channel audio signal

6 NEXT_R Right channel audio signal return

7 NC No connection

8 Key No pin

9 LINE_OUT_L Left channel audio signal

10 NEXT_L Left channel audio signal return

Note:

If you don’t want to connect to the front audio header, pins 5 & 6, 9 &

10 have to be jumpered in order to have signal output directed to the

rear audio ports. Otherwise, the Line-Out connector on the back

panel will not function.

F_AUDIO