The EDID data structure can describe information about your monitor such as the size and supported resolutions.
This option extracts the IODisplayEDID data from the I/O Kit Registry and saves it to a file named EDID.bin in the latest dump/EDID folder.
The edid-decode tool, originally by Adam Jackson but since updated by Andy Vandijck, is then run to decode the binary file to a text file named EDID.txt which is saved in the latest dump/EDID folder.
Source | http://cgit.freedesktop.org |
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Finally, the binary file is also converted back to hex and saved as EDID.hex in the latest dump/EDID folder. This can be useful for using with Andy Vandijck's FixEDID app.