AMD KM780V USB Port Headers 9-pin USB1 / USB2, Speaker connector SPEAK1, Power LED PWR LED1

(2) USB Port Headers (9-pin) : USB1 / USB2

These headers are used for connecting the additional USB port plug. By attaching an option USB cable, your can be provided with two additional USB plugs affixed to the back panel.

USB1

Pin 1

VCC -DATA +DATA GND OC

VCC -DATA +DATA GND

USB2

Pin 1

VCC -DATA +DATA GND OC

VCC -DATA +DATA GND

USB Port Headers

(3)Speaker connector: SPEAK1

This 4-pin connector connects to the case-mounted speaker. See the figure below.

(4)Power LED: PWR LED1

The Power LED is light on while the system power is on. Connect the Power LED from the system case to this pin.

(5) IDE Activity LED: HD LED

This connector connects to the hard disk activity indicator light on the case.

(6) Reset switch lead: RESET

This 2-pin connector connects to the case-mounted reset switch for rebooting your computer without having to turn off your power switch. This is a preferred method of rebooting in order to prolong the lift of the system’s power supply. See the figure below.

(7) Power switch: PWR BTN

This 2-pin connector connects to the case-mounted power switch to power ON/OFF the system.

PWRLED

Pin 1

SPEAK

Pin 1

VCC5

GND

NC

SPKR

JW FP

Pin 1

PWR LED			PWRBTN
VCC5	PWRLED	PWRBTN	GND
VCC5	HDDLE	GND	RSTSW NC

HDLED

System Case Connections

RESET

10