Chapter 2
Power Supply
The mainboard supports ATX power supply for the power system. Be- fore inserting the power supply connector, always make sure that all compo- nents are installed properly to ensure that no damage will be caused.
ATX 20-Pin Power Connector: JWR1
This connector allows you to connect to an ATX power supply. To connect to the ATX power supply, make sure the plugs of the power supply is inserted in the proper orientation and the pins are aligned. Then push down the power supply firmly into the connector. The power connector supports instant power on function which means that system will boot up immediately when the power supply connector is inserted on the board.
10 | 20 |
1 | 11 |
JWR1 |
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JWR1 Pin Definition
PIN | SIGNAL | PIN | SIGNAL |
1 | 3.3V | 11 | 3.3V |
2 | 3.3V | 12 | |
3 | GND | 13 | GND |
4 | 5V | 14 | PS_ON |
5 | GND | 15 | GND |
6 | 5V | 16 | GND |
7 | GND | 17 | GND |
8 | PW_OK | 18 | |
9 | 5V_SB | 19 | 5V |
10 | 12V | 20 | 5V |
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