Table 2.1:Ps/2 Or Atx Power Supply Led Status; External Speaker (Jfp2); Reset Connector (Jfp1); Hdd Led Connector (Jfp2) - Advantech PCE-5124 User Manual

Table 2.1: PS/2 or ATX power supply LED status
Power mode
System On
System Suspend
System Off

2.9.2 External speaker (JFP2)

JFP2 is a 4-pin connector for an external speaker. The PCE-5124 provides
an onboard buzzer as an alternative to an external speaker. To enable the
buzzer, set pins 5 and 7 as closed.

2.9.3 Reset connector (JFP1)

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

2.9.4 HDD LED connector (JFP2)

You can connect an LED to connector JFP2 to indicate when the HDD is
active.

2.9.5 ATX 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. This
connection enables you to turn your computer on and off.
PCE-5124 User Manual
LED (PS/2 power)
On
Fast flashes
Off
32
LED (ATX power)
On
Fast flashes
Slow flashes