EDID

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EDID

(Extended Display Identification Data) A standard format from VESA that is used to transmit the make, model and characteristics of a monitor to the graphics card (display adapter) in the computer. Introduced in 1994 as a 128-byte structure, EDID is also used by an HDTV to identify its maximum resolution to the Blu-ray/DVD player, A/V receiver or video processor. Traveling over the HDMI cable, an HDTV states its preferred (native) resolution and all other supported resolutions.

Enhanced EDID (E-EDID)
Enhanced EDID supports additional data beyond 128 bytes and uses the structure in EDID 1.3 as the baseline. See VESA DDC.
References in periodicals archive ?
Tests include looking for pixel errors, checking timing parameters, checking pixel data values, and conducting source E-EDID literacy tests.
These include the new Display Color Management (DCM), E-EDID EEPROM, and Multi-Display Interface standards and the revised Video Signal (VSIS), Flat Panel Mounting (FDMI) and Display Power Management (DPM) standards.
These include the new Display Color Management (DCM) and E-EDID EEPROM standards and the revised Video Signal (VSIS) and Flat Panel Mounting (FDMI) standards.
The Video Electronics Standards Association (VESA), the worldwide leader in video display standards development, today announced the release of the E-EDID EEPROM standard.
Single IC solution for combined analog and digital displays reduces cost and board area required for E-EDID implementation -- A TSSOP package option to further reduce board space requirements -- Simplifies field updates of E-EDID data by providing two access ports -- Backward compatible with existing EDID sockets -- Supports emerging standards such as DI-EXT and M1
According to Jory Olson, Principal Engineer at InFocus Corporation and E-EDID EEPROM workgroup leader, "The VESA E-EDID EEPROM standard fulfills the need for an easy, flexible, and robust way to add Plug-and-Play functionality to projectors, monitors, and consumer entertainment displays regardless of the interface.
The devices also support the new VESA E-EDID monitor specification for next-generation displays.
The E-EDID Implementation Guide, a companion to the VESA E-EDID Standard, which defines a data structure used to carry configuration information for optimal use of a display, and the VESA Evaluation of Analog Display Graphics Subsystems Test Procedure, a companion to the VESA Video Signal Standard (VSIS).
While the VESA E-EDID Standard contains the necessary information to create compliant EDID data, in practice there are often many questions when implementing the standard.
E-EDID defines the basic data structure of 128 bytes that will be required of all compliant monitors and the rules for adding extensions to the basic structure.