Bus 002 Device 004: ID 0a5c:5802 Broadcom Corp. 
Bus 002 Device 003: ID 413c:8187 Dell Computer Corp. 
Bus 002 Device 002: ID 8087:0020  
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 003: ID 05ca:1814 Ricoh Co., Ltd 
Bus 001 Device 002: ID 8087:0020  
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub