Gigabyte 8S648FX-RZ ATX12V +12V Power Connector, ATX ATX Power, Cpufan CPU Fan Connector

1) ATX_12V (+12V Power Connector)

This connector (ATX_12V) supplies the CPU operation voltage (Vcore).

If this "ATX_12V connector" is not connected, system cannot boot.

		Pin No.	Definition
3	4	1	GND
		2	GND
1	2
		3	+12V
		4	+12V

-C

2) ATX (ATX Power)

AC power cord should only be connected to your power supply unit after ATX power cable and other related devices are firmly connected to the mainboard.

	10		Pin No.	Definition	Pin No.	Definition
		20	1	3.3V	11	3.3V
			2	3.3V	12	-12V
			3	GND	13	GND
			4	VCC	14	PS_ON(soft on/off)
			5	GND	15	GND
			6	VCC	16	GND
			7	GND	17	GND
		11	8	Power Good	18	-5V
	1		9	5V SB (stand by +5V)	19	VCC
C
-			10	+12V	20	VCC

3) CPU_FAN (CPU Fan Connector)

Please note, a proper installation of the CPU cooler is essential to prevent the CPU from running under abnormal condition or damaged by overheating. The CPU fan connector supports Max. current up to 600 mA.

	Pin No.	Definition
1	1	GND
	2	+12V
	3	Sense

-C

English

- 13 - Hardware Installation Process