J4: Power Connector (4-Pin 2.5Mm Jst); J2: External Power/Hdd Led's Indicators & Reset Header - JS Automation Corp CPU-2616 PCI-104 User Manual

2.2.1 J4: Power Connector (4-pin 2.5mm JST)

Note: Be careful with the pin orientation when installing power connector. A wrong
connection can easily destroy your CPU2616 board.
2.2.2 J2: External Power/HDD LED's Indicators & Reset Header
The Power and HDD LED's has two distinctive statuses: Off for inactive operation and
blinking light for activity, and the J2 3, 4 pin (LED1+/LED1-) for Power and 5,6 pin for HDD. And
1, 2 pin header for connecting to system reset button. Shorting the circuit of the 2 pins makes the
hardware reset and CPU2616 restart system. It is similar to power off the system and then power it
on again.
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