So I have an iPod Mini, and a laptop that runs Windows XP. Windows XP correctly detects that the iPod Mini is a USB 2.0 device, and that I plugged it into a USB 1.1 port. It then informs me of that fact.
Nice, right? Except that I have no USB 2.0 ports on this laptop! I plugged it into a USB 1.1 port because that's all there is - I can't plug it into a USB 2.0 port. The device can't perform faster, there's no faster port to use!
Every single time I plug it in, "This device can go faster" - thanks, Windows, but if you bothered to check (and it does, because it'll display a list of USB ports available if you click on the message), you'd discover that while the device may be able to go faster, the computer can't!