Socket Mobile IB810 user manual J1 System Function Connector, Speaker Pins 1, Pin # Signal Name

INSTALLATIONS

J1: 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

Reset Switch

Turbo LED Connector

ATX Power On Switch

SMI / Hardware Switch

Power LED

Speaker

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

Power LED: Pins 11 - 15

The power LED indicates the status of the main power switch.

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

16 IB810 User’s Manual