Onboard Leds; Dimm Leds; Gpu Led; Pcie X16 Slot Leds - MSI X370 GAMING M7 ACK Manual

Onboard LEDs

DIMM LEDs

These LEDs indicate the memory modules are installed.

GPU LED

This LED indicates the CPU' s iGPU is not detected and you need to install a graphics
card.

PCIe x16 slot LEDs

These LEDs indicate the PCIe x16 slots status.
DIMM LEDs
GPU LED
LED Color
Red
White
PCI_E2 LED
PCI_E4 LED
PCI_E6 LED
PCIe slot status
x16 mode
x8, x4, x1 mode
Onboard LEDs
31