PCIe slot LEDs

The following illustration shows the LEDs on the rear of PCIe 3.0 x16 shuttle.

Figure 1. Rear view - PCIe 3.0 x16 LEDs
Rear view - PCIe 3.0 x16 LEDs
Table 1. PCIe slot LEDs
1 PCIe slot 4 LED 3 PCIe slot 1 LED
2 PCIe slot 3 LED 4 PCIe slot 2 LED

These four LEDs provide the operating status of PCIe 3.0 x16 adapters.

There are two colors of LEDs you might see: