Asus M3A78-CM - Motherboard - Micro ATX Specifications download pdf (Page 33)

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

This connector supports several chassis-mounted functions.

• 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 ashes when data is read from or written to

the HDD.

•

Power/Soft-off button (2-pin PWRSW)

This 2-pin connector is for the system power button. Pressing the power button turns

the system ON or puts the system in SLEEP or SOFT-OFF mode depending on the

BIOS settings. Pressing the power switch for more than four seconds while the system

is ON turns the system OFF.

•

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.

• System warning speaker (2-pin SPEAKER)

This 4-pin connector is for the chassis-mounted system warning speaker. The speaker

allows you to hear system beeps and warnings.

Chapter 1: Product introduction 1-23

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Asus M3A78-CM - Motherboard - Micro ATX Specifications Page 33