Hardware Setup
Power Supply
The mainboard supports ATX power supply for the power system. Before inserting the power supply connector, always make sure that all components are installed properly to ensure that no damage will be caused.
ATX 20-Pin Power Connector: ATX1
This connector allows you to connect to an ATX power supply. To connect to the ATX power supply, make sure the plug 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.
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| ATX1 Pin Definition |
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| 20 | PIN | SIGNAL | PIN | SIGNAL | |
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| 1 | 3.3V | 11 | 3.3V |
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| 2 | 3.3V | 12 | |
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| 3 | GND | 13 | GND |
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| 4 | 5V | 14 | PS_ON |
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| 5 | GND | 15 | GND |
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| 6 | 5V | 16 | GND |
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| 11 | 7 | GND | 17 | GND | |
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| 8 | PW_OK | 18 | ||||
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ATX1 |
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| 9 | 5V_SB | 19 | 5V | |||
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| 10 | 12V | 20 | 5V |
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ATX 12V Power Connector: JPW1
This 12V power connector is used to provide power to the CPU.
JPW1 Pin Definition
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PIN | SIGNAL | |||||||
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1 | GND | |||||||
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| JPW1 |
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| 2 | GND | |||||
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| 3 | 12V | |
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| 4 | 12V | |
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MSI Reminds You...
Power supply of 300 (and up) watt is highly recommended for system stability.
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