lsusb - MSI N430GT
Bus 001 Device 004: ID 046d:0825 Logitech, Inc. Webcam C270
Bus 002 Device 002: ID 413c:2105 Dell Computer Corp. Model L100 Keyboard
Bus 003 Device 002: ID 046d:c245 Logitech, Inc.
Bus 004 Device 002: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle (HCI mode)
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub