4.System panel connector (10-1 pin F_PANEL)

This connector supports several chassis-mounted functions.

M5A78L-M LX3 PLUS

PLED PWRBTN

PLED+-

PLEDPWRGND

F_PANEL

PIN 1

_HD LED_HD LED+-GroundReset

+HDLED RESET

M5A78L-M LX3 PLUS System panel connectorSystem power LED (2-pin PLED)

This 2-pin connector is for the system power LED. Connect the chassis power LED cable to this connector. The system power LED lights up when you turn on the system power, and blinks when the system is in sleep mode.

Hard disk drive activity LED (2-pin +HDLED)

This 2-pin connector is for the HDD Activity LED. Connect the HDD Activity LED cable to this connector. The HD LED lights up or flashes when data is read from or written to the HDD.

ATX power button/soft-off button (2-pin PWRBTN) This 2-pin connector is for the system power button.

Reset button (2-pin RESET)

This 2-pin connector is for the chassis-mounted reset button for system reboot without turning off the system power.

5.Speaker connector (4-pin SPEAKER)

This 4-pin connector is for the chassis-mounted system warning speaker. The speaker allows you to hear system beeps and warnings.

M5A78L-M LX3 PLUS

SPEAKER

+5V GND GND Speaker Out

PIN 1

M5A78L-M LX3 PLUS Speaker out connector

ASUS M5A78L-M LX3 Series

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