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Thread: usb 1.1 or 2.0?

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  1. #1

    usb 1.1 or 2.0?

    is there any command to know whether I have 2.0 or 1.1 usb ports in my machine?

  2. #2
    found. I post it just in case someone else haves the same question:

    # lsusb -v list all USB devices
    # usbview is a graphical interface showing the topography of the devices that are plugged into the USB bus on a Linux machine. It also displays information on each of the devices. This can be useful to determine if a device is working properly or not.

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