2-10
2.4 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 power supply. To connect to the 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.
ATX 12V Power Connector: JPW1
This 12V power connector is used to provide power to the CPU.
PIN SIGNAL
11 3.3V
12 -12V
13 GND
14 PS_ON
15 GND
16 GND
17 GND
18 -5V
19 5V
20 5V
PIN SIGNAL
1 3.3V
2 3.3V
3 GND
4 5V
5 GND
6 5V
7 GND
8 PW_OK
9 5V_SB
10 12V
ATX1 Pin Definition
PIN SIGNAL
1 GND
2 GND
3 12V
4 12V
JPW1 Pin Definition
MSI Reminds You...
These two connectors connect to the power supply and have to work
together to ensure stable operation of the mainboard.
ATX1
10
1
20
11
JPW1
1
3
4
2
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