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VESA is the acronym for Video Electronics Standards Association. It is an international body that has issued a number of standards, mostly relating to the functioning of video peripherals in IBM PC compatible computers.

Among VESA's standards:

  • VESA Local Bus (VLB), used at one time as a fast video bus (akin to the modern AGP).
  • VESA BIOS Extensions (VBE), used for enabling standard support for advanced video modes (at high resolutions and color depths)
  • VESA Display Data Channel (DDC), allowing monitors to identify themselves to the video boards they're attached to.
  • VESA Display Power Management Signaling, which allows monitors to be queried on the types of power saving modes they support
  • A number of standards relating to flat-panel screens, video connectors, video cable timings etc.

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