lsusb - primero
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 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 003: ID 04f2:b128 Chicony Electronics Co., Ltd
Bus 002 Device 003: ID 058f:6254 Alcor Micro Corp. USB Hub
Bus 002 Device 004: ID 04f3:0103 Elan Microelectronics Corp.
Bus 002 Device 005: ID 1d57:32da