Advantech Understanding JFP1, JFP2, and JFP3 Connectors for AIMB-766

2.12Front Panel Connectors (JFP1, JFP2 & JFP3)

There are several external switches and LEDs to monitor and control the AIMB-766.

JFP3

JFP2

JFP1

2.12.1Power LED and Keyboard Lock (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	LED (PS/2 power)	LED (ATX power)
System On	On	On
System Suspend	Fast flashes	Fast flashes
System Off	Off	Slow flashes

2.12.2External Speaker (JFP2 pins 1, 3, 5 & 7)

JFP2 is a 8-pin connector for an external speaker. The AIMB-766 provides an onboard buzzer as an alternative. To enable the buzzer, set pins 5-7 as closed.

AIMB-766 User Manual 28