8-pin ATX 12V Power (PW12-1, PW12-2)
PW12-1,PW12-2, the 8-pin ATX 12V power connection, are used to provide
power to the CPU. Align the pins to the connector and press firmly until seated.
You can plug in an extra one if your power supply comes with it. It is not
necessary and the motherboard will function perfectly with just one connector
in either socket.
Before plug these two power connection, please make sure your power supply
support two 8-pin ATX 12V differential output.