EDID

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          EDID

Extended display identification data (EDID)

is a data structure provided by a digital display to describe its capabilities to a video source
The EDID includes manufacturer name and serial number, product type, phosphor or filter type,
timings supported by the display, display size, luminance data and (for digital displays only) pixel mapping data.

Example:

 [root@localhost gg]# monitor-edid

 Name: L1918S
 EISA ID: GSM4b31
 EDID version: 1.3
 EDID extension blocks: 0
 Screen size: 37.6 cm x 30.1 cm (18.96 inches, aspect ratio 5/4 = 1.25)
 Gamma: 2.2
 Analog signal
 Max video bandwidth: 140 MHz

    HorizSync 30-83
    VertRefresh 56-75

    # Monitor preferred modeline (60.0 Hz vsync, 64.0 kHz hsync, ratio 5/4, 86 dpi)
    ModeLine "1280x1024" 108 1280 1328 1440

1688 1024 1025 1028 1066 +hsync +vsync


monitor-edid
- In this case, help you read EDID from your monitor.
- If you have problem find correct resolution in linux,
monitor-edid can be useful tool to find cause of the problem.
- This tool is from monitor-edid package.


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