Advantech AIMB-221 manual ATX Soft Power Switch JFP1, Reset Connector JFP1, External Speaker JFP2

2.4.1ATX Soft Power Switch (JFP1)

If your computer case is equipped with an ATX power supply, you should connect the power on/off button on your computer case to JFP1 PIN1, 2. This connection enables you to turn your computer on and off.

2.4.2Reset Connector (JFP1)

Many computer cases offer the convenience of a reset button. Connect the wire from the reset button.

JFP1

pin.1#PWR_SW

pin.2GND

pin.3#RST_SW

pin.4GND

2.4.3External Speaker (JFP2)

JFP2 is a 4-pin connector for an external speaker. If there is no external speaker, the AIMB-221 provides an onboard buzzer as an alternative. To enable the buzzer, set pins 5-7 as closed.

Chapter 2 Connecting Peripherals

21 AIMB-221 User Manual