User`s manual

SHB103 LAG1156 Full-Size SBC User’s Manual

Jumpers and Connectors

2.4.1 ATX 4 Pin 12V IN Connector (CN5)

You can connect it to the ATX12V power supply for CPU

Core Voltage.

Pin Signal

1 GND

2 GND

3 +12V

4 +12V

2.4.2 Front Panel Connector (CN26)

 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.