Bus 004 Device 003: ID 05ac:8217 Apple, Inc. 
Bus 004 Device 002: ID 0a5c:4500 Broadcom Corp. BCM2046B1 USB 2.0 Hub (part of BCM2046 Bluetooth)
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 004: ID 05ac:0237 Apple, Inc. 
Bus 003 Device 003: ID 05ac:8242 Apple, Inc. 
Bus 003 Device 002: ID 046d:c508 Logitech, Inc. Cordless Trackball
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 009: ID 059f:0951 LaCie, Ltd 
Bus 002 Device 008: ID 0409:005a NEC Corp. HighSpeed Hub
Bus 002 Device 007: ID 0d49:3200 Maxtor 
Bus 002 Device 006: ID 0bc2:0500 Seagate RSS LLC 
Bus 002 Device 005: ID 0409:005a NEC Corp. HighSpeed Hub
Bus 002 Device 004: ID 05ac:8403 Apple, Inc. 
Bus 002 Device 003: ID 05e3:0606 Genesys Logic, Inc. USB 2.0 Hub / D-Link DUB-H4 USB 2.0 Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 003: ID 05ac:8507 Apple, Inc. 
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub