AMD 790GX ATX 12V Power Connector 8-pin block ATX12V, PS/2 Mouse & PS/2 Keyboard Connector KB

ROW1 ROW2

ROW1 ROW2		PIN	ROW1	ROW2
		1	3.3V	3.3V
		2	3.3V	-12V
		3	GND	GND
		4	5V	Soft Power On
		5	GND	GND
		6	5V	GND
		7	GND	GND
		8	Power OK	-5V
		9	+5V (for Soft Logic)	+5V
		10	+12V	+5V
		11	+12V	+5V
		12	+3V	GND
	Pin 1
Pin 1
20-Pin	24-Pin

(2) ATX 12V Power Connector (8-pin block) : ATX12V

This is a new defined 8-pins connector that usually comes with ATX Power Supply. The ATX Power Supply which fully supports Socket AM2+ processor must including this connector for support extra 12V voltage to maintain system power consumption. Without this connector might cause system unstable because the power supply can not provide sufficient current for system.

Pin 1

(3) PS/2 Mouse & PS/2 Keyboard Connector: KB

The connectors are for PS/2 keyboard and PS/2 Mouse.

(4) USB Port connector: CN1/ UL1 for USB

The connectors are 4-pin connector that connects USB devices to the system board.

(5) LAN Port connector: UL1 for RJ45 LAN

The connector is standard RJ45 connector for Network. It supports 10M/100Mb/1000Mb s data transfer rate

(6) J3 Power Connector: Large 4-Pin Power Connector (Optional)

The connectors are 4-pin connector that supports extra 12V / 5V power to your system

13