IBM G52-72361X2 Power Supply, ATX 24-Pin Power Connector ATX1, ATX 12V Power Connector PWRCONN1

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 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.

13	1
24	12
	ATX1

Pin Definition

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 12V Power Connector: PWRCONN1

This 12V power connector is used to provide power to the CPU.

4	2
3	1

PWRCONN1

Pin Definition

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

Important

1.These two connectors connect to the ATX power supply and have to work together to ensure stable operation of the mainboard.

2.Power supply of 350 watts (and above) is highly recommended for system stability.

3.ATX 12V power connection should be greater than 18A.

2-9