edid-decode "/sys/class/drm/card0-DP-1/edid": EDID (hex): 00ffffffffffff004c2dc60930323330 2418010380301b782a92c1a259559e27 0e5054bfef80714f81c0810081809500 a9c0b3000101023a801871382d40582c 4500dd0c1100001e000000fd00384b1e 5111000a202020202020000000fc0053 3232433435300a2020202020000000ff 0048344d463930313336360a2020016e 02010400023a80d072382d40102c4580 dd0c1100001e011d007251d01e206e28 5500dd0c1100001e011d00bc52d01e20 b8285540dd0c1100001e011d007251d0 1e206e285500dd0c11000018011d0072 51d01e206e285500dd0c110000180000 00000000000000000000000000000000 000000000000000000000000000000ac Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 03 basic params: 80 30 1b 78 2a chroma info: 92 c1 a2 59 55 9e 27 0e 50 54 established: bf ef 80 standard: 71 4f 81 c0 81 00 81 80 95 00 a9 c0 b3 00 01 01 descriptor 1: 02 3a 80 18 71 38 2d 40 58 2c 45 00 dd 0c 11 00 00 1e descriptor 2: 00 00 00 fd 00 38 4b 1e 51 11 00 0a 20 20 20 20 20 20 descriptor 3: 00 00 00 fc 00 53 32 32 43 34 35 30 0a 20 20 20 20 20 descriptor 4: 00 00 00 ff 00 48 34 4d 46 39 30 31 33 36 36 0a 20 20 extensions: 01 checksum: 6e EDID version: 1.3 Manufacturer: SAM Model 9c6 Serial Number ... Made in week 36 of 2014 Digital display Maximum image size: 48 cm x 27 cm Gamma: 2.20 DPMS levels: Off RGB color display First detailed timing is preferred timing Display x,y Chromaticity: Red: 0.6347, 0.3486 Green: 0.3320, 0.6191 Blue: 0.1552, 0.0546 White: 0.3125, 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 640x480@67Hz 4:3 HorFreq: 35000 Hz Clock: 30.240 MHz 640x480@72Hz 4:3 HorFreq: 37900 Hz Clock: 31.500 MHz 640x480@75Hz 4:3 HorFreq: 37500 Hz Clock: 31.500 MHz 800x600@56Hz 4:3 HorFreq: 35200 Hz Clock: 36.000 MHz 800x600@60Hz 4:3 HorFreq: 37900 Hz Clock: 40.000 MHz 800x600@72Hz 4:3 HorFreq: 48100 Hz Clock: 50.000 MHz 800x600@75Hz 4:3 HorFreq: 46900 Hz Clock: 49.500 MHz 832x624@75Hz 4:3 HorFreq: 49726 Hz Clock: 57.284 MHz 1024x768@60Hz 4:3 HorFreq: 48400 Hz Clock: 65.000 MHz 1024x768@70Hz 4:3 HorFreq: 56500 Hz Clock: 75.000 MHz 1024x768@75Hz 4:3 HorFreq: 60000 Hz Clock: 78.750 MHz 1280x1024@75Hz 5:4 HorFreq: 80000 Hz Clock: 135.000 MHz 1152x870@75Hz 192:145 HorFreq: 67500 Hz Clock: 108.000 MHz Standard timings supported: 1152x864@75Hz 4:3 HorFreq: 67500 Hz Clock: 108.000 MHz 1280x720@60Hz 16:9 1280x800@60Hz 16:10 1280x1024@60Hz 5:4 HorFreq: 64000 Hz Clock: 108.000 MHz 1440x900@60Hz 16:10 HorFreq: 55500 Hz Clock: 88.750 MHz 1600x900@60Hz 16:9 1680x1050@60Hz 16:10 HorFreq: 64700 Hz Clock: 119.000 MHz Detailed mode: Clock 148.500 MHz, 477 mm x 268 mm 1920 2008 2052 2200 hborder 0 1080 1084 1089 1125 vborder 0 +hsync +vsync VertFreq: 60 Hz, HorFreq: 67500 Hz Monitor ranges (GTF): 56-75Hz V, 30-81kHz H, max dotclock 170MHz Monitor name: S22C450 Serial number: ... Has 1 extension blocks Checksum: 0x6e (valid) CTA extension block Extension version: 1 0 8-byte timing descriptors Detailed mode: Clock 148.500 MHz, 477 mm x 268 mm 1920 2448 2492 2640 hborder 0 1080 1084 1089 1125 vborder 0 +hsync +vsync VertFreq: 50 Hz, HorFreq: 56250 Hz Detailed mode: Clock 74.250 MHz, 477 mm x 268 mm 1280 1390 1430 1650 hborder 0 720 725 730 750 vborder 0 +hsync +vsync VertFreq: 60 Hz, HorFreq: 45000 Hz Detailed mode: Clock 74.250 MHz, 477 mm x 268 mm 1280 1720 1760 1980 hborder 0 720 725 730 750 vborder 0 +hsync +vsync VertFreq: 50 Hz, HorFreq: 37500 Hz Detailed mode: Clock 74.250 MHz, 477 mm x 268 mm 1280 1390 1430 1650 hborder 0 720 725 730 750 vborder 0 -hsync -vsync VertFreq: 60 Hz, HorFreq: 45000 Hz Detailed mode: Clock 74.250 MHz, 477 mm x 268 mm 1280 1390 1430 1650 hborder 0 720 725 730 750 vborder 0 -hsync -vsync VertFreq: 60 Hz, HorFreq: 45000 Hz Checksum: 0xac (valid) One or more of the timings is out of range of the Monitor Ranges: Vertical Freq: 50 - 75 Hz Horizontal Freq: 31469 - 80000 Hz Maximum Clock: 148.500 MHz EDID block does not conform at all! Both the serial number ... edid-decode "/sys/class/drm/card0-eDP-1/edid": EDID (hex): 00ffffffffffff0009e5420700000000 201b0104a51f1178025510975d599229 1f505400000001010101010101010101 0101010101013c3780de703814403020 360035ad1000001a0000000000000000 00000000000000000000000000fe0042 4f452043510a202020202020000000fe 004e5631343046484d2d4e34390a004b Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 04 basic params: a5 1f 11 78 02 chroma info: 55 10 97 5d 59 92 29 1f 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: 3c 37 80 de 70 38 14 40 30 20 36 00 35 ad 10 00 00 1a descriptor 2: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 descriptor 3: 00 00 00 fe 00 42 4f 45 20 43 51 0a 20 20 20 20 20 20 descriptor 4: 00 00 00 fe 00 4e 56 31 34 30 46 48 4d 2d 4e 34 39 0a extensions: 00 checksum: 4b EDID version: 1.4 Manufacturer: BOE Model 742 Serial Number ... Made in week 32 of 2017 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 x,y Chromaticity: Red: 0.5908, 0.3642 Green: 0.3486, 0.5712 Blue: 0.1601, 0.1220 White: 0.3125, 0.3281 Established timings supported: Standard timings supported: Detailed mode: Clock 141.400 MHz, 309 mm x 173 mm 1920 1968 2000 2142 hborder 0 1080 1083 1089 1100 vborder 0 +hsync -vsync VertFreq: 60 Hz, HorFreq: 66013 Hz Manufacturer-specified data, tag 0 ASCII string: BOE CQ ASCII string: NV140FHM-N49 Checksum: 0x4b (valid) EDID block does NOT conform to EDID 1.4! Missing name descriptor Missing monitor ranges