Asus Comprehensive Guide to the Speaker Connector and System Panel for P8H77-I

5.Speaker connector (4-pin SPEAKER)

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

	SPEAKER
10 8	+5V GND GND Speaker Out

PIN 1

P8H77-ISpeaker Out Connector

6.System panel connector (10-1 pin PANEL)

This connector supports several chassis-mounted functions.

	PWRBTN	F_PANEL
		GND	Reset	RESET
I		PWR	Ground
-7	LED	PLED-	HD_LED-	LED
P8H7		PLED+	HD_LED+
	PWR		PIN 1	+HD_

P8H77-I System panel connector

•System 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 IDE LED lights up or flashes when data is read from or written to the HDD.

•Power/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.

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