High Quality Content by WIKIPEDIA articles! In computing, a zoomed video port (often simply ZV port) is a unidirectional video bus allowing a device in a PC card slot to transfer video data directly into a VGA frame buffer, so as to allow laptops to display real-time video. The standard was created by the PCMCIA to allow devices such as TV tuners, video inputs and MPEG coprocessors to fit into a PC card form factor and provide a cheap solution for both the laptop manufacturer and consumer. The ZV port is a direct connection between the PC card slot and VGA controller. Video data is transferred in real time without any buffering, removing the need for bus mastering or arbitration.

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