Intel MI910 ATX1 ATX Power Supply Connector, J1 F PANEL System Function Connector, Signal Name

							INSTALLATIONS
ATX1: ATX Power Supply Connector
11	1
		Signal Name		Pin #		Pin #	Signal Name
		3.3V	11		1		3.3V
		-12V	12		2		3.3V
		Ground	13		3		Ground
		PS-ON	14		4		+5V
		Ground	15		5		Ground
		Ground	16		6		+5V
		Ground	17		7		Ground
		-5V	18		8		Power good
20	10	+5V	19		9		5VSB
		+5V	20		10		+12V

J1 (F_PANEL): System Function Connector

J1 provides connectors for system indicators that provide light indication of the computer activities and switches to change the computer status. J1 is a 20-pin header that provides interfaces for the following functions.

Hard Disk Drive LED Not Defined

Not Defined

Speaker

Reset Switch

ATX Power On Switch

Power LED

Speaker: Pins 1 - 4

This connector provides an interface to a speaker for audio tone generation. An 8-ohm speaker is recommended.

Pin #	Signal Name
1	Speaker out
2	No connect
3	Ground
4	+5V

MI910 User’s Manual 17