lsusb - HD 7850: Ubuntu 13.10
Bus 002 Device 002: ID 8087:8001 Intel Corp.
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 006 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:8009 Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 002: ID 174c:3074 ASMedia Technology Inc.
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 005: ID 04f2:0833 Chicony Electronics Co., Ltd
Bus 003 Device 004: ID 1532:0101 Razer USA, Ltd Copperhead Mouse
Bus 003 Device 003: ID 1a40:0101 Terminus Technology Inc. 4-Port HUB
Bus 003 Device 002: ID 174c:2074 ASMedia Technology Inc.
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub