MSI MPG B650 EDGE WIFI Manuel D'utilisation page 50

Onboard LEDs
EZ Debug LED
These LEDs indicate the status of key components during booting up of the system.
JPWRLED1: LED power input
This connector is used by retailers to demonstrate onboard LED lights.
LED_SW1: EZ LED Control
This switch is used to switch on/ off all the LEDs of motherboard.
CPU - indicates CPU is not detected or fail.
DRAM - indicates DRAM is not detected or fail.
VGA - indicates GPU is not detected or fail.
BOOT - indicates the booting device is not detected
or fail.
JPWRLED1 - LED power input
LED_OFF
LED_SW1
48
LED_ON
(Default)