Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 002: ID 0411:01dc BUFFALO INC. (formerly MelCo., Inc.) Ultra-Slim Portable DVD Writer (DVSM-PC58U2V)
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 006 Device 002: ID 04f2:0939 Chicony Electronics Co., Ltd 
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 002: ID 093a:2621 Pixart Imaging, Inc. PAC731x Trust Webcam
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 003: ID 04b3:301b IBM Corp. SK-8815 Keyboard
Bus 004 Device 002: ID 04b3:301a IBM Corp. 
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub