lsusb - total
Bus 002 Device 009: ID 413c:8156 Dell Computer Corp. Wireless 370 Bluetooth Mini-card
Bus 002 Device 007: ID 413c:8158 Dell Computer Corp. Integrated Touchpad / Trackstick
Bus 002 Device 006: ID 413c:8157 Dell Computer Corp. Integrated Keyboard
Bus 002 Device 005: ID 0a5c:4500 Broadcom Corp. BCM2046B1 USB 2.0 Hub (part of BCM2046 Bluetooth)
Bus 002 Device 004: ID 187c:0512 Alienware Corporation
Bus 002 Device 003: ID 046d:c52b Logitech, Inc. Unifying Receiver
Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 003: ID 0c45:6412 Microdia
Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub