hey i am new to keyboards i have question i got this keyboard nappo choc mini and it says it have nkro from what i understand nkro allow me to use all the keys in the keyboard at the same time my question is do i have to use usb to ps2 adapter in order to get the NKRO or just plug the USB normally if i just have to plug it normally is there any benefits for using usb to ps2 adapter ?