Intel IB868 user manual J2 System Function Connector, ATX Power on Switch Pins 7

INSTALLATIONS

J2: System Function Connector

J2 provides connectors for system indicators that provide light indication of the computer activities and switches to change the computer status. J2 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

Pin #	Signal Name
1	Speaker out
2	No connect
3	Ground
4	+5V
Power LED: Pins 11 - 15

Pin #	Signal Name
11	Power LED
12	No connect
13	Ground
14	No connect
15	Ground

ATX Power ON Switch: Pins 7 and 17

This 2-pin connector is an “ATX Power Supply On/Off Switch” on the system that connects to the power switch on the case. When pressed, the power switch will force the system to power on. When pressed again, it will force the system to power off.

IB868 User’s Manual 15