lsusb - MSI GS70 2PE Stealth Pro with Nvidia 352.55 Ubuntu 15.04
Bus 004 Device 003: ID 1770:ff00
Bus 004 Device 002: ID 8087:8000 Intel Corp.
Bus 004 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 003: ID 8087:07dc Intel Corp.
Bus 003 Device 002: ID 8087:8008 Intel Corp.
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 24ae:2002
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub