edid-decode "/sys/class/drm/card0-DVI-D-1/edid": EDID (hex): 00ffffffffffff000472f902689b9074 311b010380351e78ca57e0a5544f9d26 125054bfef80714f8140818081c08100 9500b300d1c0023a801871382d40582c 4500132b2100001e000000fd0038901e a021000a202020202020000000fc0047 4e323436484c0a2020202020000000ff 004c57334545303035383533330a010b 02010400fe5b80a07038354030203500 132a2100001a866f80a0703840403020 3500132a2100001afc7e808870381240 18203500132a2100001e000000000000 00000000000000000000000000000000 00000000000000000000000000000000 00000000000000000000000000000000 000000000000000000000000000000c7 Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 03 basic params: 80 35 1e 78 ca chroma info: 57 e0 a5 54 4f 9d 26 12 50 54 established: bf ef 80 standard: 71 4f 81 40 81 80 81 c0 81 00 95 00 b3 00 d1 c0 descriptor 1: 02 3a 80 18 71 38 2d 40 58 2c 45 00 13 2b 21 00 00 1e descriptor 2: 00 00 00 fd 00 38 90 1e a0 21 00 0a 20 20 20 20 20 20 descriptor 3: 00 00 00 fc 00 47 4e 32 34 36 48 4c 0a 20 20 20 20 20 descriptor 4: 00 00 00 ff 00 4c 57 33 45 45 30 30 35 38 35 33 33 0a extensions: 01 checksum: 0b EDID version: 1.3 Manufacturer: ACR Model 2f9 Serial Number ... Made in week 49 of 2017 Digital display Maximum image size: 53 cm x 30 cm Gamma: 2.20 DPMS levels: Standby Suspend RGB color display First detailed timing is preferred timing Display x,y Chromaticity: Red: 0.6455, 0.3291 Green: 0.3095, 0.6162 Blue: 0.1513, 0.0722 White: 0.3125, 0.3281 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 1280x960@60Hz 4:3 HorFreq: 60000 Hz Clock: 108.000 MHz 1280x1024@60Hz 5:4 HorFreq: 64000 Hz Clock: 108.000 MHz 1280x720@60Hz 16:9 1280x800@60Hz 16:10 1440x900@60Hz 16:10 HorFreq: 55500 Hz Clock: 88.750 MHz 1680x1050@60Hz 16:10 HorFreq: 64700 Hz Clock: 119.000 MHz 1920x1080@60Hz 16:9 Detailed mode: Clock 148.500 MHz, 531 mm x 299 mm 1920 2008 2052 2200 hborder 0 1080 1084 1089 1125 vborder 0 +hsync +vsync VertFreq: 60 Hz, HorFreq: 67500 Hz Monitor ranges (GTF): 56-144Hz V, 30-160kHz H, max dotclock 330MHz Monitor name: GN246HL Serial number: ... Has 1 extension blocks Checksum: 0xb (valid) CTA extension block Extension version: 1 0 8-byte timing descriptors Detailed mode: Clock 235.500 MHz, 531 mm x 298 mm 1920 1968 2000 2080 hborder 0 1080 1083 1088 1133 vborder 0 +hsync -vsync VertFreq: 99 Hz, HorFreq: 113221 Hz Detailed mode: Clock 285.500 MHz, 531 mm x 298 mm 1920 1968 2000 2080 hborder 0 1080 1083 1088 1144 vborder 0 +hsync -vsync VertFreq: 119 Hz, HorFreq: 137259 Hz Detailed mode: Clock 325.080 MHz, 531 mm x 298 mm 1920 1944 1976 2056 hborder 0 1080 1083 1088 1098 vborder 0 +hsync +vsync VertFreq: 144 Hz, HorFreq: 158112 Hz Checksum: 0xc7 (valid) EDID block does not conform at all! Both the serial number ... edid-decode "DVI-D-0/edid": EDID (hex): 00ffffffffffff000472f90200000000 311b010480351e78ca57e0a5544f9d26 12505400000001010101010101010101 010101010101087080a0703845403020 3500e00e1100001e775c80a070383a40 30203500e00e1100001e057c80587038 124018203500e00e1100001e023a8018 71382d40582c4500e00e1100001e015b 02030c40230907078301000000000000 00000000000000000000000000000000 00000000000000000000000000000000 00000000000000000000000000000000 00000000000000000000000000000000 00000000000000000000000000000000 00000000000000000000000000000000 000000000000000000000000000000f1 Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 04 basic params: 80 35 1e 78 ca chroma info: 57 e0 a5 54 4f 9d 26 12 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: 08 70 80 a0 70 38 45 40 30 20 35 00 e0 0e 11 00 00 1e descriptor 2: 77 5c 80 a0 70 38 3a 40 30 20 35 00 e0 0e 11 00 00 1e descriptor 3: 05 7c 80 58 70 38 12 40 18 20 35 00 e0 0e 11 00 00 1e descriptor 4: 02 3a 80 18 71 38 2d 40 58 2c 45 00 e0 0e 11 00 00 1e extensions: 01 checksum: 5b EDID version: 1.4 Manufacturer: ACR Model 2f9 Serial Number ... Made in week 49 of 2017 Digital display Color depth is undefined Digital interface is not defined Maximum image size: 53 cm x 30 cm Gamma: 2.20 DPMS levels: Standby Suspend Supported color formats: RGB 4:4:4, YCrCb 4:4:4 First detailed timing includes the native pixel format and preferred refresh rate Display x,y Chromaticity: Red: 0.6455, 0.3291 Green: 0.3095, 0.6162 Blue: 0.1513, 0.0722 White: 0.3125, 0.3281 Established timings supported: Standard timings supported: Detailed mode: Clock 286.800 MHz, 480 mm x 270 mm 1920 1968 2000 2080 hborder 0 1080 1083 1088 1149 vborder 0 +hsync +vsync VertFreq: 120 Hz, HorFreq: 137884 Hz Detailed mode: Clock 236.710 MHz, 480 mm x 270 mm 1920 1968 2000 2080 hborder 0 1080 1083 1088 1138 vborder 0 +hsync +vsync VertFreq: 100 Hz, HorFreq: 113802 Hz Detailed mode: Clock 317.490 MHz, 480 mm x 270 mm 1920 1944 1976 2008 hborder 0 1080 1083 1088 1098 vborder 0 +hsync +vsync VertFreq: 144 Hz, HorFreq: 158112 Hz Detailed mode: Clock 148.500 MHz, 480 mm x 270 mm 1920 2008 2052 2200 hborder 0 1080 1084 1089 1125 vborder 0 +hsync +vsync VertFreq: 60 Hz, HorFreq: 67500 Hz Has 1 extension blocks Checksum: 0x5b (valid) CTA extension block Extension version: 3 8 bytes of CTA data Audio data block Linear PCM, max channels 2 Supported sample rates (kHz): 48 44.1 32 Supported sample sizes (bits): 24 20 16 Speaker allocation data block Speaker map: FL/FR - Front Left/Right Basic audio support 0 native detailed modes Checksum: 0xf1 (valid) EDID block does NOT conform to EDID 1.4! Required 640x480p60 timings are missing in the established timings and/or in the SVD list (VIC 1) Missing name descriptor Missing monitor ranges