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DDC/CI Definition

DDC/CI Definition

What is DDC/CI? DDC stands for Display Data Channel / Command Interface and refers to a set of commands defined by VESA that pass between a monitor and graphics card to communicate settings. These are in addition to the video signal itself. The /CI (Command Interface) extension refers to an update to the standard for bi-directional communication, ie the monitor can report back to the graphics card.

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