Asus TUF GAMING B550-PLUS WIFI II Manual page 16

This header 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 header is for the chassis-mounted reset button for system reboot without
turning off the system power.
17. Thermal Sensor header
This header is for the thermistor cable that allows you to monitor the
temperature of your motherboard's critical components and connected
devices.
18. Thunderbolt header
This header is for the add-on Thunderbolt I/O card that supports Intel's
Thunderbolt Technology, allowing you to connect up to six Thunderbolt-
enabled devices and a DisplayPort-enabled display in a daisy-chain
configuration.
19. Q-LEDs
The Q-LEDs check key components (CPU, DRAM, VGA, and booting devices) during the
motherboard booting process. If an error is found, the critical component's LED stays lit up
until the problem is solved.
The Q-LEDs provide the most probable cause of an error code as a starting point for
troubleshooting. The actual cause may vary from case to case.
20. BIOS FlashBack
The FlashBack™ LED lights up or blinks to indicate the status of the
BIOS FlashBack™.
Scan the QR code for more information on BIOS FlashBack
function.
1-6
LED
TM
T_SENSOR
PIN 1
TB_HEADER
PIN 1
TM
Chapter 1: Product introduction
GND
SENSOR IN