MSI 651M-V User Guide - Page 19

Power Supply, ATX 20-Pin Power Connector: CONN1, ATX 12V Power Connector: ATX12V

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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: CONN1 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. ATX 12V Power Connector: ATX12V This 12V power connector is used to provide power to the CPU. 11 1 20 10 CONN1 CONN1 Pin Definition PIN SIGNAL 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 11 3.3V 12 -12V 13 GND 14 PS_ON 15 GND 16 GND 17 GND 18 -5V 19 5V 20 5V 3 4 1 2 ATX12V ATX12V Pin Definition PIN SIGNAL 1 GND 2 GND 3 12V 4 12V 2-9

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2-9
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: CONN1
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.
ATX 12V Power Connector: ATX12V
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
CONN1 Pin Definition
1
3
4
2
ATX12V
CONN1
10
1
20
11
PIN
SIGNAL
1
GND
2
GND
3
12V
4
12V
ATX12V Pin Definition