Hello, I'd like just to know if I can Installed Maximus Decim Nativus USB ver 2.2 on my computer. I had an "Unknow device" (yellow exclamation mark) on the USB controller in the Device Manager. I have only 1 USB 1 and I had a pcmcia Card driver USB2.2 Let me know if this driver only works for USB 2.0 Thanks for your help