anjo-aladiah@Aladiah:~/Área de Trabalho/backports-3.19-rc1-1$ lsusb
Bus 002 Device 003: ID 04f2:b448 Chicony Electronics Co., Ltd 
Bus 002 Device 004: ID 0930:0225 Toshiba Corp. 
Bus 002 Device 002: ID 0438:7900 Advanced Micro Devices, Inc. 
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 0438:7900 Advanced Micro Devices, Inc. 
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub