User`s manual

SBC81203 LGA775 SBC User’s Manual

Jumpers and Connectors

2.4.9 Front Panel Connector (CN5)

 Power LED

Pins 1, 3, 5 connect the system power LED indicator to its

respective switch on the case. Pin 1 is +, and pin 5 assigned to -.

Pin 3 is defined as NC.

 External Speaker and Internal Buzzer Connector

Pins 2, 4, 6, 8 can be connected to the case-mounted speaker unit

or internal buzzer.

 Hardware Reset

Pins 11 and 12 are designed for Hardware Reset.

 HDD Activity LED

This connector extends to the hard drive activity LED on the control

panel. This LED will flash when the HDD is being accessed. Pins 13

and 14 can be connected to the hard disk drive and front panel

HDD LED.

 Power Button

Pins 9 and 10 connect the front panel’s ATX power button to the

card, which allows users to control ATX power on or off.