System Fan Connector (Sysfan1/2); Power Switch/Hdd Led/Smbus/Speaker Pin Header (Jfp1) & Power; Led And Keyboard Lock Pin Header (Jfp2); Atx Soft Power Switch (Jfp1/Pwr_Sw) - Advantech AIMB-205 User Manual

2.7

System FAN Connector (SYSFAN1/2)

If a fan is used, this connector supports cooling fans of 500 mA (6 W) or less.
2.8 Power Switch/HDD LED/SMBUS/Speaker Pin
Header (JFP1) & Power LED and Keyboard Lock
Pin Header (JFP2)
There are several headers for monitoring and controlling the AIMB-205.
2.8.1

ATX soft power switch (JFP1/PWR_SW)

If your computer case is equipped with an ATX power supply, you should connect the
power on/off button on your computer case to (JFP1/ PWR_SW), for convenient
power on and off.
17 AIMB-205 User Manual