Audio Connector (Cn1); Front Panel Connector (Cn2) - AXIOMTEK SHB211 Series User Manual

2.4.1

Audio Connector (CN1)

CN1 is a 10pin-header connector commonly used for the audio.
Pin Signal
1 MIC-IN
3 Line In L
5 Line In R
7 Audio Out L
9 Audio Out R
2.4.2

Front Panel Connector (CN2)

Power LED
This 3-pin connector denoted as Pin 1 and Pin 5 connects the
system power LED indicator to such a switch on the case. Pin 1 is
assigned as +, and Pin 5 as -. The Power LED lights up when the
system is powered ON. Pin 3 is defined as GND.
External Speaker and Internal Buzzer Connector
Pin 2, 4, 6 and 8 can be connected to the case-mounted speaker
unit or internal buzzer. While connecting the CPU card to an
internal buzzer, please short pins 2-4; while connecting to an
external speaker, you need to set pins 2-4 to Open and connect the
speaker cable to pin 8 (+) and pin 2 (-).
ATX Power On/Off Button
This 2-pin connector denoted as Pin 9 and 10 connects the front
panel's ATX power button to the CPU card, which allows users to
control ATX power supply to be power on/off.
Jumpers and Connectors
SHB211 Socket P Half-Size SBC User's Manual
Pin Signal
2 GND
4 GND
6 GND
8 GND
10 GND
19