Asus B85-A B85-A User's Manual - Page 26

System power LED 2-pin PWR_LED, Hard disk drive activity LED 2-pin HDD_LED

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9. System panel connector (10-1 pin PANEL) This connector supports several chassis-mounted functions. PANEL PWR_LED SPEAKER PWR_LED+ PWR_LED+5V Ground Ground Speaker HDD_LED+ HDD_LED- PWR Ground Reset Ground B85-A PIN 1 HDD_LED PWR_SW RESET * Requires an ATX power supply B85-A System panel connector • 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. 1-18 Chapter 1: Product introduction

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1-18
Chapter 1: Product introduction
•
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.
9.
System panel connector (10-1 pin PANEL)
This connector supports several chassis-mounted functions.
B85-A
B85-A 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
PWR_SW
RESET
HDD_LED