@woozle Windows 10, I also have Ubuntu. The board just works even without the cable connected. What is it for?

@woozle seems promissing as I did the same. Is there a way I can check if the board is working properly? Some light or fan working maybe?

@woozle thanks a lot for your research and suggestion. I tried connecting the board on front-usb connector. It is not exactly the shape of the board connection and I am not really sure how to connect...

@woozle I found some connectors unused but with different pin numbers. Here is a photo of my mobo:

Hi, I just bought a new AX3000 Wifi 6 Bluetooth 5 PCIe Adapter (Archter TX3000E) and in the installation manual tells me to find a F_USB connector on my motherboard. I have a HP 8053 motherboard from...