Asus ROG STRIX B550-E GAMING [32/74] Chapter 1

1-20

Chapter 1: Product Introduction

Chapter 1

18. System Panel header

The System Panel header supports several chassis-mounted functions.

PIN 1

PWR BTN

PWR_LED+

PWR_LED-

PWR

GND

HDD_LED+

HDD_LED-

Ground

HWRST#

(NC)

F_PANEL

+PWR LED

+HDD_LED RESET

• System power LED (2-pin +PWR_LED-)

This 2-pin header is for the system power LED. Connect the chassis power LED cable

to this header. 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 header is for the HDD Activity LED. Connect the HDD Activity LED cable

to this header. The HDD LED lights up or flashes when data is read from or written to

the HDD.

• Power button/Soft-off button (2-pin PWR_BTN)

This header is for the system power button.

• Reset button (2-pin RESET)

This 2-pin header is for the chassis-mounted reset button for system reboot without

turning off the system power.