Bus 001 Device 002: ID 8087:0020 Bus 001 Device 001: ID 0000:0000 Bus 002 Device 002: ID 8087:0020 Bus 002 Device 001: ID 0000:0000 Bus 002 Device 003: ID 046d:c05a Logitech, Inc. Bus 002 Device 004: ID 413c:2106 Dell Computer Corp.