edid-decode "/sys/class/drm/card0-eDP-1/edid": EDID (hex): 00ffffffffffff0006af3d4000000000 211c0104a51f1178039b859256599029 20505400000001010101010101010101 010101010101143780b8703824401010 3e0035ae100000180000000000000000 00000000000000000020000000fe0041 554f0a202020202020202020000000fe 004231343048414e30342e30200a0097 Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 04 basic params: a5 1f 11 78 03 chroma info: 9b 85 92 56 59 90 29 20 50 54 established: 00 00 00 standard: 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 descriptor 1: 14 37 80 b8 70 38 24 40 10 10 3e 00 35 ae 10 00 00 18 descriptor 2: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 20 descriptor 3: 00 00 00 fe 00 41 55 4f 0a 20 20 20 20 20 20 20 20 20 descriptor 4: 00 00 00 fe 00 42 31 34 30 48 41 4e 30 34 2e 30 20 0a extensions: 00 checksum: 97 EDID version: 1.4 Manufacturer: AUO Model 403d Serial Number ... Made in week 33 of 2018 Digital display 8 bits per primary color channel DisplayPort interface Maximum image size: 31 cm x 17 cm Gamma: 2.20 Supported color formats: RGB 4:4:4 First detailed timing includes the native pixel format and preferred refresh rate Display is continuous frequency Display x,y Chromaticity: Red: 0.5722, 0.3369 Green: 0.3496, 0.5654 Blue: 0.1621, 0.1250 White: 0.3134, 0.3291 Established timings supported: Standard timings supported: Detailed mode: Clock 141.000 MHz, 309 mm x 174 mm 1920 1936 1952 2104 hborder 0 1080 1083 1097 1116 vborder 0 -hsync -vsync VertFreq: 60 Hz, HorFreq: 67015 Hz Manufacturer-specified data, tag 0 ASCII string: AUO ASCII string: B140HAN04.0 Checksum: 0x97 (valid) EDID block does NOT conform to EDID 1.4! Missing name descriptor Missing monitor ranges edid-decode "/sys/class/drm/card0-HDMI-A-1/edid": EDID (hex): 00ffffffffffff0010ac7aa04c303530 1819010380342078eaee95a3544c9926 0f5054a1080081408180a940b300d1c0 010101010101283c80a070b023403020 360006442100001a000000ff00383050 38383536413035304c0a000000fc0044 454c4c2055323431324d0a20000000fd 00323d1e5311000a20202020202000b4 Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 03 basic params: 80 34 20 78 ea chroma info: ee 95 a3 54 4c 99 26 0f 50 54 established: a1 08 00 standard: 81 40 81 80 a9 40 b3 00 d1 c0 01 01 01 01 01 01 descriptor 1: 28 3c 80 a0 70 b0 23 40 30 20 36 00 06 44 21 00 00 1a descriptor 2: 00 00 00 ff 00 38 30 50 38 38 35 36 41 30 35 30 4c 0a descriptor 3: 00 00 00 fc 00 44 45 4c 4c 20 55 32 34 31 32 4d 0a 20 descriptor 4: 00 00 00 fd 00 32 3d 1e 53 11 00 0a 20 20 20 20 20 20 extensions: 00 checksum: b4 EDID version: 1.3 Manufacturer: DEL Model a07a Serial Number ... Made in week 24 of 2015 Digital display Maximum image size: 52 cm x 32 cm Gamma: 2.20 DPMS levels: Standby Suspend Off RGB color display First detailed timing is preferred timing Display x,y Chromaticity: Red: 0.6396, 0.3300 Green: 0.2998, 0.5996 Blue: 0.1503, 0.0595 White: 0.3134, 0.3291 Established timings supported: 720x400@70Hz 9:5 HorFreq: 31469 Hz Clock: 28.320 MHz 640x480@60Hz 4:3 HorFreq: 31469 Hz Clock: 25.175 MHz 800x600@60Hz 4:3 HorFreq: 37900 Hz Clock: 40.000 MHz 1024x768@60Hz 4:3 HorFreq: 48400 Hz Clock: 65.000 MHz Standard timings supported: 1280x960@60Hz 4:3 HorFreq: 60000 Hz Clock: 108.000 MHz 1280x1024@60Hz 5:4 HorFreq: 64000 Hz Clock: 108.000 MHz 1600x1200@60Hz 4:3 HorFreq: 75000 Hz Clock: 162.000 MHz 1680x1050@60Hz 16:10 HorFreq: 64700 Hz Clock: 119.000 MHz 1920x1080@60Hz 16:9 Detailed mode: Clock 154.000 MHz, 518 mm x 324 mm 1920 1968 2000 2080 hborder 0 1200 1203 1209 1235 vborder 0 +hsync -vsync VertFreq: 59 Hz, HorFreq: 74038 Hz Serial number: ... Monitor name: DELL U2412M Monitor ranges (GTF): 50-61Hz V, 30-83kHz H, max dotclock 170MHz Checksum: 0xb4 (valid) One or more of the timings is out of range of the Monitor Ranges: Vertical Freq: 59 - 70 Hz Horizontal Freq: 31469 - 75000 Hz Maximum Clock: 162.000 MHz