lsusb - premier test
Bus 002 Device 002: ID 8087:8000 Intel Corp.
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:8008 Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 004: ID 046d:c016 Logitech, Inc. Optical Wheel Mouse
Bus 003 Device 003: ID 8087:07da Intel Corp.
Bus 003 Device 002: ID 04d9:1702 Holtek Semiconductor, Inc.
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub