System Administration Guide: Devices and File Systems

ProcedureHow to Unconfigure a USB Device

You can unconfigure a USB device that is still physically connected to the system. However, a driver will never attach to the device. Note that a USB device remains in the prtconf output even after that device is unconfigured.

  1. Become superuser.

  2. Unconfigure the USB device.

    For example:


    # cfgadm -c unconfigure usb0/4.7
    Unconfigure the device: /devices/pci@8,700000/usb@5,3/hub@4:4.7
    This operation will suspend activity on the USB device
    Continue (yes/no)? y
    
  3. Verify that the device is unconfigured.

    For example:


    # cfgadm  
    Ap_Id                    Type         Receptacle   Occupant     Condition
    usb0/4.5                 usb-hub      connected    configured   ok
    usb0/4.5.1               usb-device   connected    configured   ok
    usb0/4.5.2               usb-printer  connected    configured   ok
    usb0/4.5.3               usb-mouse    connected    configured   ok
    usb0/4.5.4               usb-device   connected    configured   ok
    usb0/4.5.5               usb-storage  connected    configured   ok
    usb0/4.5.6               usb-communi  connected    configured   ok
    usb0/4.5.7               unknown      empty        unconfigured ok
    usb0/4.6                 usb-storage  connected    configured   ok
    usb0/4.7                 usb-storage  connected    unconfigured ok