KB200: You want to know how EDID and DDC relate to your display resolution

Summary

Extended Display Identification Data (EDID), is a standard data format that contains basic information about a display device and its capabilities. The information is stored in the display device by the manufacturer and, when the device is connected to a PC, communicates its capabilities to a display adapter. The PC uses this information for configuration purposes so the monitor and system can work together.

EDID includes information such as:

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