lsusb - myffmpeg_20120103
Bus 007 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 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 003: ID 046d:c016 Logitech, Inc. Optical Wheel Mouse
Bus 003 Device 002: ID 041e:3000 Creative Technology, Ltd SoundBlaster Extigy
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 002: ID 058f:6364 Alcor Micro Corp.
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 004: ID 152e:2507 LG (HLDS) PL-2507 IDE Controller
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub