US Patent 7600066 Methods for identifying bridge devices and systems thereof

Methods for identifying bridge devices and systems thereof. A bridge device receives an undefined command. In response to the undefined command, output information comprising at least one no-available parameter is generated. The bridge device sets the no-available parameter as a predetermined value. The bridge device is identified by determining whether a predetermined value of at least one no-available parameter in the output information matches a predefined value for a supported bridge device.