MSI MS-91F7 manual Power Supply, System Power Connector JPWR1, CPU/Memory Power Connector JPWR2

▍Hardware Setup

Power Supply

System Power Connector: JPWR1

This connector allows you to connect a power supply. To connect to the power supply, make sure the plug of the power supply is inserted in the proper orienta- tion and the pins are aligned. Then push down the power supply firmly into the connector.

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12

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

CPU/Memory Power Connector: JPWR2

This connector provides 12V power output to the CPUs & memory.

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4

Important

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

Make sure that all power connectors are connected to the power supply to ensure stable operation of the mainboard.

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