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
Bus 001 Device 002: ID 413c:a001 Dell Computer Corp. Hub
Bus 001 Device 004: ID 04b4:6560 Cypress Semiconductor Corp. CY7C65640 USB-2.0 "TetraHub"
Bus 003 Device 002: ID 0557:8021 ATEN International Co., Ltd 
Bus 001 Device 005: ID 413c:0000 Dell Computer Corp. DRAC 5 Virtual Keyboard and Mouse
Bus 001 Device 006: ID 152d:2339 JMicron Technology Corp. / JMicron USA Technology Corp. 
Bus 003 Device 003: ID 0b38:0003 Gear Head 
Bus 003 Device 016: ID 0458:003a KYE Systems Corp. (Mouse Systems) NetScroll+ Mini Traveler / Genius NetScroll 120