Led_Sw1: Ez Led Control; Jpwrled1: Led Power Input; Debug Code Led - MSI MEG Z590 ACE Quick Start Manual

LED_SW1: EZ LED Control

This switch is used to switch on/ off all the LEDs of motherboard.

JPWRLED1: LED power input

This connector is used by retailers to demonstrate onboard LED lights.

Debug Code LED

The Debug Code LED displays progress and error codes during and after POST. Refer
to the Debug Code LED table for details.
LED_OFF
LED_SW1
JPWRLED1 - LED power input
Debug Code LED
LED_ON
(Default)
Onboard LEDs
55