Abstract: A display connectivity controller that is coupled externally to a display system is disclosed. The display connectivity controller includes a device detector for detecting the connectivity status of a digital video cassette (DVC) content source and the acquiring capabilities data of the DVC content source, a play control device for controlling playback modes of the digital video cassette content source and a host bus interface for communicating with the display system. The display connectivity controller additionally includes a host bus interface logic set for receiving commands from a processor of the display system through the host bus interface and for communicating with the device detector and the play control device according to the commands.