Advantech AIMB-225, User Manual

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83 AIMB-225 User Manual
Appendix B
I/O Pin
A
ssignments
B.7 Power LED & Keyboard Lock Connector (JFP3)
You can use an LED to indicate when the single board computer is on. Pin 1 of JFP3
supplies the LED's power, and Pin 5 is the ground.
B.8 Power Switch/HDD LED/SMBus/Speaker
(JFP1+JFP2)
The single board computer has its own buzzer. You can also connect it to the external
speaker on your computer chassis.
Table B.7: Power LED & Keyboard Lock Connector (JFP3)
Pin Signal
1 PO
2 NC
3 POWER_LED-
4 FRP_KEYLOCK#
5 GND
Table B.8: Power Switch/HDD LED/SMBus/Speaker (JFP1+JFP2)
Pin Signal
1 +5V
2
3 Power
4 NC
5 HDDLED-
6
Power Button-
7 SPK_P3
8
SMB_DATA
9 System Reset+
10 SPK_P4
11
SMB_CLK
12 System Reset