User’s Manual

1-7

19. System Panel header

This header supports several chassis-mounted functions.

• System Power LED header (PWR_LED)

The 2-pin header allows you to connect the System Power LED.

The System Power LED lights up when the system is connected

to a power source, or when you turn on the system power, and

blinks when the system is in sleep mode.

• Storage Device Activity LED header (HDD_LED)

The 2-pin header allows you to connect the Storage Device Activity LED. The Storage

Device Activity LED lights up or blinks when data is read from or written to the storage

device or storage device add-on card.

• Power Button/Soft-off Button header (PWR_BTN)

The 2-pin header allows you to connect the system power button. Press the power

button to power up the system, or put the system into sleep or soft-off mode

(depending on the operating system settings).

• Reset button header (RESET)

The 2-pin header allows you to connect the chassis-mounted reset button. Press the

reset button to reboot the system.

20. BIOS FlashBack™ LED

The BIOS FlashBack™ LED lights up or blinks to indicate the status of the BIOS FlashBack™.

PIN 1

PWR_BTN

PWR_LED+

PWR_LED

PWR

GND

HDD_LED

Ground

HWRST#

(NC)

F_PANEL

PWR_LED

HDD_LED

RESET

ASUS PRIME B650M-A