User manual

AIMB-214 User Manual 74
B.9 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 3 is the ground.
B.10 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.9: Power LED & Keyboard Lock Connector (JFP3)
Pin Function
1 LED power
2 NC
3 GND
4 KEYLOCK#
5 GND
Table B.10: Power Switch/HDD LED/SMBus/Speaker (JFP1+JFP2)
Pin Signal Pin Signal
1 +5V 2 HDLED+
3 FRP_PANSWIN# 4 SPK_CN17P2
5 HDD_LED- 6 GND(R1160:100OHM)
7 SPK_CN17P4 8 SMBDATA_R
9 FRP_RST# 10 SPK_CN17P3
11 SMBCLK_R 12 GND