MSI Big Bang-XPower manual Power Supply, ATX 24-pin Power Connector JPWR1

Hardware Setup

Power Supply

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.

												12
											11				.
										10 .						+3.
						7 .							+12V
									9 .									3
							.			.	+12V
								8											V
		3			6				PW5VSB
				5 .				Ground
											R
1			4 . +5									O
				.	Ground								K
2			. +5																								24
		.GroundV
	.					V
. +3				3
+3
				.																						23 .
		3																					20
				V																						.	+5			GroundV
																										22 .
																							19	21 . +5
																									. +5			V	V
																							.			Res
																		15					18.
																					17			Ground
																							PSGround-Ground
																14..
																				16		.	.
														13					-
																	.			12V			ON
																	+3
																				.Ground					#
																				3
																					V

ATX 8-pin Power Connector: JPWR2/ JPWR3

These connectors provide 12V power output to the CPUs.

			4
			.
		3	Ground
		.
	2	Ground
	.
1	Ground
.
Ground
						8
			5			.
					7	+12V
					.
				6	+12V
				.
				+12V
			.
			+12V

2-10