Power Led (Jfp3); External Speaker (Jfp2 Pins 1, 4, 7, 10); Hdd Led Connector (Jfp1 Pins 2 & 5); Atx Soft Power Switch (Jfp1 Pins 3 & 6) - Advantech ASMB-584 User Manual

2.10.1

Power LED (JFP3)

JFP3 is a 5-pin connector for the power LED. Refer to Appendix B for detailed infor-
mation on the pin assignments. If a PS/2 or ATX power supply is used, the system's
power LED status will be as indicated as follows.
Table 2.1: PS/2 or ATX power supply LED status
Power mode
System On
System Suspend
System Off
System Off in deep sleep
2.10.2

External Speaker (JFP2 pins 1, 4, 7, 10)

JFP2 pins 1, 4, 7, 10 connector for an external speaker. The ASMB-584 provides an
onboard buzzer as an alternative. To enable the buzzer, set pins 7-10 as closed.
2.10.3 HDD LED Connector (JFP1 pins 2 & 5)
You can connect an LED to connector JFP1 to indicate when the HDD is active.
2.10.4 ATX Soft Power Switch (JFP1 pins 3 & 6)
If your computer case is equipped with an ATX power supply, you should connect the
power on/off button on your computer case to pins 3 and 6 of JFP1. This connection
enables you to turn your computer on and off.
2.10.5 Reset Connector (JFP1 pins 9 & 12)
Many computer cases offer the convenience of a reset button.
ASMB-584 User Manual
LED (PS/2 power)
On
Fast Flash
Off
Off
1 4 7 10
2
5
9
12
20
LED (ATX power)
On
Fast Flash
Off
Off