MSI DKA790GX Series Manual page 22

M S-7550 M ainboard
Power Supply Attachment
Before inserting the power supply connector, always make sure that all components are
installed properly to ensure that no dam age will be caused. All power connectors on
the mainbnoard have to connect to the ATX power supply and have to work together to
ensure stable operation of the mainboard.
ATX 24-Pin Power Connector: JPWR1
This connector allows you to connect an ATX 24-pin power supply. To connect the ATX
24-pin 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.
You may use the 20-pin ATX power supply as you like. If you'd like to use the 20-pin ATX
power supply, please plug your power supply along with pin 1 & pin 13.
ATX 12V Power Connector (2x2-Pin): JPWR2
This 12V power connector is used to provide power to the CPU.
En-14
13 1
+3.3V +3.3V
-12V
+3.3V
GND GND
PS-ON# +5V
GND GND
GND +5V
GND GND
NC PWR OK
5VSB
+5V
+12V
+5V
+5V +12V
GND +3.3V
24 12
1 3
12V
GND
12V
GND
2 4