Nvidia manual Power Supply, ATX 24-Pin Power Connector ATX1, JPW3, JPW2, MS-7374 Mainboard

MS-7374 Mainboard

Power Supply

ATX 24-Pin Power Connector: ATX1

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 sup- ply along with pin 1 & pin 13 (refer to the image at the right hand). There is also a foolproof design on pin 11, 12, 23 & 24 to avoid wrong installation.

Pin Definition

pin 13

pin 12

12	24
ATX1
1	13

PIN	SIGNAL	PIN	SIGNAL
1	+3.3V	13	+3.3V
2	+3.3V	14	-12V
3	GND	15	GND
4	+5V	16	PS-ON#
5	GND	17	GND
6	+5V	18	GND
7	GND	19	GND
8	PWROK	20	Res
9	5VSB	21	+5V
10	+12V	22	+5V
11	+12V	23	+5V
12	+3.3V	24	GND

ATX 8-pin/ 4-pin Power Connector: JPW3/ JPW2

This JPW3 power connector is used to provide power to the CPU. This JPW2 power connector is used to provide power to stable the operation of graphics card.

Pin Definition

JPW3

85

41

JPW2

PIN	SIGNAL	PIN	SIGNAL
1	GND	5	+12V
2	GND	6	+12V
3	GND	7	+12V
4	GND	8	+12V

Pin Definition

1	PIN	SIGNAL
	1	5V
	2	GND
	3	GND
	4	12V

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