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Chapter 1 – Asus H87M-PLUS User Manual

Page 35

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ASUS H87M-PLUS

1-21

Chapter 1

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 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 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 operating

system 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.

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

This connector supports several chassis-mounted functions.

H87M-PLUS

H87M-PLUS System panel connector

PIN 1

* Requires an ATX power supply

PWR_LED

SPEAKER

PWR_LED+

PWR_LED-

+5V

Ground

Ground

Speaker

HDD_LED+

HDD_LED-

PWR

Ground

Reset

Ground

PANEL

HDD_LED

PWR_SW RESET