Alan Stern <stern@...> writes: > > On Sat, 11 Jul 2015, James wrote: > > > I have an external drive that has an activity LED. > > It would be nice if it told me if it was connected to a USB2 or USB3 port. > > Is it possible for devices to know what they are connected to? > > How would you expect the drive to tell you what sort of port it is > connected to? By shining an LED of a different color? Green for USB-2 > and blue for USB-3, for example? Yes. The device could have different coloured LEDs depending on the speed it is transferring data. -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
