EDID (Extended Display Identification Data),被广泛用于VGA、DVI、HMDI显示器的识别,它包含了显示器的厂商名称、支持的显示分辨率及其时序、HDMI音频信息等内容。
EDID的发展历史:
- August 1994, DDC standard version 1 – EDID v1.0 structure.
- April 1996, EDID standard version 2 – EDID v1.1 structure.
- 1997, EDID standard version 3 – EDID structures v1.2 and v2.0
- February 2000, E-EDID Standard Release A, v1.0 – EDID structure v1.3, EDID structure v2.0 deprecated
- September 2006 – E-EDID Standard Release A, v2.0 – EDID structure v1.4
SUN公司有关EDID的讲解PPT,讲得比较好: