AXIOMTEK SHB103 Series, User Manual

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SHB103 LAG1156 Full-Size SBC User’s Manual
Jumpers and Connectors
13
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.