Advantech ASMB-260I-21A1, User Manual

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ASMB-260 User Manual 14
2.8.1 Power LED (JFP3)
JFP3 pin 1 and pin 3 are for the power LED. Refer to Appendix B for detailed infor-
mation on the pin assignments. If an ATX power supply is used, the system’s power
LED status will be as indicated as follows.
2.8.2 External Speaker (JFP2 pins 1, 4, 7, 10)
JFP2 pins 1, 4, 7, 10 connect to an external speaker. The ASMB-260 provides an
onboard buzzer as an alternative. To enable the buzzer, set pins 7-10 closed.
2.8.3 HDD LED Connector (JFP2 Pins 2 & 5)
You can connect an LED to connector JFP2 to indicate when the HDD is active.
2.8.4 Reset Connector (JFP1 Pins 9 & 12)
Many computer cases offer the convenience of a reset button.
Table 2.1: ATX Power Supply LED Status
ACPI Power Mode LED (ATX power)
System On (S0) On
System Standby (S1) Fast flashes
System Hibernation(S4) Slow flashes
System Off (S5) Off
1 2 3
+
-
1 4 7 10
+
-
2 5
+
9 12