2 Chapter

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

This connector supports several chassis-mounted functions.

PANEL

 

PWR_LED

SPEAKER

 

PWR_LED+

PWR_LED-

+5V

Ground Ground Speaker

 

PIN 1

 

PWR

Reset

A88X-PRO

_LED+ _LED-

 

 

HDD

 

Ground

Ground

 

HDD

 

 

 

HDD_LED PWRSW RESET

* Requires an ATX power supply

A88X-PRO 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. Pressing the power button turns the system on. 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.

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Chapter 2: Hardware information