A code generator tool capable of creating command shell commands at compile time or runtime from a schema such as an XSD schema is provided. The band gap reference voltage circuit then outputs a higher one of the first and second band gap reference voltage formation portions to output a constant reference voltage. The RDMA based architecture enables the client playback device to obtain media content from a central server in real-time or in substantially real-time as the media content is needed for playback at the client playback device.