Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 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
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 002: ID 0bb4:0c91 High Tech Computer Corp. Vision
Bus 007 Device 002: ID 0461:4d22 Primax Electronics, Ltd 
Bus 007 Device 003: ID 413c:1005 Dell Computer Corp. Multimedia Pro Keyboard Hub
Bus 007 Device 004: ID 413c:2011 Dell Computer Corp. Multimedia Pro Keyboard