Asus h81-plus [26/74] Onboard leds

1-18

Chapter 1: Product introduction

1.8 Onboard LEDs

1. Standby Power LED

The motherboard comes with a standby power LED that lights up to indicate that the

system is ON, in sleep mode, or in soft-off mode. This is a reminder that you should

shut down the system and unplug the power cable before removing or plugging in any

motherboard component. The illustration below shows the location of the onboard LED.

SB_PWR

Standby Power

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H81-PLUS

H81-PLUS Onboard LED

• SystempowerLED(2-pinPWR_LED)

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HDD_LED)

This 2-pin connector is for the HDD Activity LED. Connect the HDD Activity LED cable

to this connector. The HDD LED lights up or ashes 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PWR_SW)

This 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.