Advantech AIMB-503 - System FAN Connector (SYSFAN1;2); Power Switch;Hdd Led;Smbus;Speaker, Power LED and Keyboard Lock Pin Header (JFP1,JFP2)

19 AIMB-503 User Manual
Chapter 2 Connecting Peripherals
2.8 System FAN Connector (SYSFAN1/2)
If a fan is used, this connector supports cooling fans of 500 mA (6 W) or less.
2.9 Power Switch/HDD LED/SMBUS/Speaker, Power
LED and Keyboard Lock Pin Header
(JFP1,JFP2)
There are several headers for monitoring and controlling the AIMB-503.
SYSFAN2
SYSFAN1
JFP1
JPF2