lsusb - systemtest_1
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 003: ID 413c:2003 Dell Computer Corp. Keyboard
Bus 003 Device 005: ID 0557:2419 ATEN International Co., Ltd
Bus 003 Device 002: ID 0000:0001
Bus 003 Device 006: ID 13fd:0840 Initio Corporation INIC-1618L SATA
Bus 003 Device 004: ID 045e:00d1 Microsoft Corp. Optical Mouse with Tilt Wheel
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub