Onboard Leds; Ez Debug Led; Dimm Leds; Xmp Led - MSI MEG Z390 ACE Quick Start Manual

Onboard LEDs

EZ Debug LED

These LEDs indicate the debug status of the motherboard.

DIMM LEDs

These LED indicate the memory modules are installed.

XMP LED

This LED indicates the XMP (Extreme Memory Profile) mode is enabled.

JPWRLED1: LED power input

This connector is used by retailers to demonstrate onboard LED light effects.
46
Onboard LEDs
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.
DIMM LEDs
XMP LED
JPWRLED1 - LED power input