10.System panel connector (20-8 pin PANEL)

This connector supports several chassis-mounted functions.

PLED SPEAKER

P8H77-M

PLED+

PLED-

+5V

Ground Ground Speaker

PANEL

 

 

 

 

PIN 1

 

 

 

 

IDE_LED+ IDE_LED-

 

PWR Ground

 

Reset Ground

IDE_LED

PWRSW

RESET

* Requires an ATX power supply

P8H77-M 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 IDE_LED)

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.

•System warning speaker (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.

•ATX power button/soft-off button (2-pin PWRSW) This 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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Chapter 1: Product introduction