Onboard Leds; Ez Debug Led; Dimm Leds - MSI MAG Z390 TOMAHAWK 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.
38
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