lsusb - vertex4 linuxease pts
Bus 003 Device 002: ID 058f:6362 Alcor Micro Corp. Flash Card Reader/Writer
Bus 004 Device 002: ID 413c:1002 Dell Computer Corp. Keyboard Hub
Bus 004 Device 003: ID 046d:c402 Logitech, Inc. Marble Mouse (2-button)
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 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 004: ID 413c:2002 Dell Computer Corp. SK-8125 Keyboard