edid-decode "/sys/class/drm/card0-DVI-D-1/edid": EDID (hex): 00ffffffffffff004c2d1e0137314a4d 310f010380221b782aaaa5a654549926 145054bfef808180714f010101010101 010101010101302a009851002a403070 1300520e1100001e000000fd00384b1e 510e000a202020202020000000fc0053 796e634d61737465720a2020000000ff 00484d44594331333738320a202001f4 02031b61230907078301000067030c00 2000802d43908402e2000f8c0ad08a20 e02d10103e9600a05a00000000000000 00000000000000000000000000000000 00000000000000000000000000000000 00000000000000000000000000000000 00000000000000000000000000000000 00000000000000000000000000000029 Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 03 basic params: 80 22 1b 78 2a chroma info: aa a5 a6 54 54 99 26 14 50 54 established: bf ef 80 standard: 81 80 71 4f 01 01 01 01 01 01 01 01 01 01 01 01 descriptor 1: 30 2a 00 98 51 00 2a 40 30 70 13 00 52 0e 11 00 00 1e descriptor 2: 00 00 00 fd 00 38 4b 1e 51 0e 00 0a 20 20 20 20 20 20 descriptor 3: 00 00 00 fc 00 53 79 6e 63 4d 61 73 74 65 72 0a 20 20 descriptor 4: 00 00 00 ff 00 48 4d 44 59 43 31 33 37 38 32 0a 20 20 extensions: 01 checksum: f4 EDID version: 1.3 Manufacturer: SAM Model 11e Serial Number ... Digital display Maximum image size: 34 cm x 27 cm Gamma: 2.20 DPMS levels: Off RGB color display First detailed timing is preferred timing Display x,y Chromaticity: Red: 0.6503, 0.3300 Green: 0.3300, 0.5996 Blue: 0.1503, 0.0800 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 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: 1280x1024@60Hz 5:4 HorFreq: 64000 Hz Clock: 108.000 MHz 1152x864@75Hz 4:3 HorFreq: 67500 Hz Clock: 108.000 MHz Detailed mode: Clock 108.000 MHz, 338 mm x 270 mm 1280 1328 1440 1688 hborder 0 1024 1025 1028 1066 vborder 0 +hsync +vsync VertFreq: 60 Hz, HorFreq: 63981 Hz Monitor ranges (GTF): 56-75Hz V, 30-81kHz H, max dotclock 140MHz Monitor name: SyncMaster Serial number: ... Has 1 extension blocks Checksum: 0xf4 (valid) CTA extension block Extension version: 3 23 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 Vendor-specific data block, OUI 000c03 (HDMI) Source physical address 2.0.0.0 Supports_AI Maximum TMDS clock: 225MHz Video data block VIC 16 1920x1080@60Hz 16:9 (native) HorFreq: 67500 Hz Clock: 148.500 MHz VIC 4 1280x720@60Hz 16:9 (native) HorFreq: 45000 Hz Clock: 74.250 MHz VIC 2 720x480@60Hz 4:3 HorFreq: 31469 Hz Clock: 27.000 MHz Extended tag: Video capability data block YCbCr quantization: No Data (0) RGB quantization: No Data (0) PT scan behaviour: No Data (0) IT scan behaviour: Support both over- and underscan (3) CE scan behaviour: Support both over- and underscan (3) Basic audio support Supports YCbCr 4:4:4 1 native detailed modes Detailed mode: Clock 27.000 MHz, 160 mm x 90 mm 720 736 798 858 hborder 0 480 489 495 525 vborder 0 -hsync -vsync analog composite VertFreq: 59 Hz, HorFreq: 31468 Hz Checksum: 0x29 (valid) One or more of the timings is out of range of the Monitor Ranges: Vertical Freq: 56 - 75 Hz Horizontal Freq: 31468 - 80000 Hz Maximum Clock: 148.500 MHz EDID block does not conform at all! Bad year of manufacture Both the serial number ... edid-decode "/sys/class/drm/card0-HDMI-A-1/edid": EDID (hex): 00ffffffffffff00220eb53601010101 341e010380361e782a0ef5a555509e26 105054a54b00d1cfd1c0a9c081c0b300 950081008180023a801871382d40582c 4500132b2100001e000000fd00304b1e 5612010a202020202020000000fc0048 50205632340a202020202020000000ff 00314352303532304b35310a20200106 020322b149101f041312110302016703 0c0010000024681a00000101304bede2 006b2a4480a07038274030203500132b 2100001a023a801871382d40582c4500 132b2100001e6b35a0f051842a306098 3600132b2100001ab11d005050d01a20 0820c800132b2100001a9a2900a05120 263050803600132b2100001a00000032 Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 03 basic params: 80 36 1e 78 2a chroma info: 0e f5 a5 55 50 9e 26 10 50 54 established: a5 4b 00 standard: d1 cf d1 c0 a9 c0 81 c0 b3 00 95 00 81 00 81 80 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 30 4b 1e 56 12 01 0a 20 20 20 20 20 20 descriptor 3: 00 00 00 fc 00 48 50 20 56 32 34 0a 20 20 20 20 20 20 descriptor 4: 00 00 00 ff 00 31 43 52 30 35 32 30 4b 35 31 0a 20 20 extensions: 01 checksum: 06 EDID version: 1.3 Manufacturer: HPN Model 36b5 Serial Number ... Made in week 52 of 2020 Digital display Maximum image size: 54 cm x 30 cm Gamma: 2.20 DPMS levels: Off RGB color display First detailed timing is preferred timing Display x,y Chromaticity: Red: 0.6445, 0.3320 Green: 0.3154, 0.6191 Blue: 0.1513, 0.0654 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 640x480@75Hz 4:3 HorFreq: 37500 Hz Clock: 31.500 MHz 800x600@60Hz 4:3 HorFreq: 37900 Hz Clock: 40.000 MHz 800x600@75Hz 4:3 HorFreq: 46900 Hz Clock: 49.500 MHz 1024x768@60Hz 4:3 HorFreq: 48400 Hz Clock: 65.000 MHz 1024x768@75Hz 4:3 HorFreq: 60000 Hz Clock: 78.750 MHz 1280x1024@75Hz 5:4 HorFreq: 80000 Hz Clock: 135.000 MHz Standard timings supported: 1920x1080@75Hz 16:9 1920x1080@60Hz 16:9 1600x900@60Hz 16:9 1280x720@60Hz 16:9 1680x1050@60Hz 16:10 HorFreq: 64700 Hz Clock: 119.000 MHz 1440x900@60Hz 16:10 HorFreq: 55500 Hz Clock: 88.750 MHz 1280x800@60Hz 16:10 1280x1024@60Hz 5:4 HorFreq: 64000 Hz Clock: 108.000 MHz 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 (bare limits): 48-75Hz V, 30-86kHz H, max dotclock 180MHz Monitor name: HP V24 Serial number: ... Has 1 extension blocks Checksum: 0x6 (valid) CTA extension block Extension version: 3 30 bytes of CTA data Video data block VIC 16 1920x1080@60Hz 16:9 HorFreq: 67500 Hz Clock: 148.500 MHz VIC 31 1920x1080@50Hz 16:9 HorFreq: 56250 Hz Clock: 148.500 MHz VIC 4 1280x720@60Hz 16:9 HorFreq: 45000 Hz Clock: 74.250 MHz VIC 19 1280x720@50Hz 16:9 HorFreq: 37500 Hz Clock: 74.250 MHz VIC 18 720x576@50Hz 16:9 HorFreq: 31250 Hz Clock: 27.000 MHz VIC 17 720x576@50Hz 4:3 HorFreq: 31250 Hz Clock: 27.000 MHz VIC 3 720x480@60Hz 16:9 HorFreq: 31469 Hz Clock: 27.000 MHz VIC 2 720x480@60Hz 4:3 HorFreq: 31469 Hz Clock: 27.000 MHz VIC 1 640x480@60Hz 4:3 HorFreq: 31469 Hz Clock: 25.175 MHz Vendor-specific data block, OUI 000c03 (HDMI) Source physical address 1.0.0.0 Maximum TMDS clock: 180MHz Vendor-specific data block, OUI 00001a Extended tag: Video capability data block YCbCr quantization: No Data (0) RGB quantization: Selectable (via AVI Q) (1) PT scan behaviour: Always Underscanned (2) IT scan behaviour: Always Underscanned (2) CE scan behaviour: Support both over- and underscan (3) Underscans PC formats by default Supports YCbCr 4:4:4 Supports YCbCr 4:2:2 1 native detailed modes Detailed mode: Clock 174.500 MHz, 531 mm x 299 mm 1920 1968 2000 2080 hborder 0 1080 1083 1088 1119 vborder 0 +hsync -vsync VertFreq: 74 Hz, HorFreq: 83894 Hz 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 Detailed mode: Clock 136.750 MHz, 531 mm x 299 mm 1440 1536 1688 1936 hborder 0 900 903 909 942 vborder 0 +hsync -vsync VertFreq: 74 Hz, HorFreq: 70635 Hz Detailed mode: Clock 76.010 MHz, 531 mm x 299 mm 1280 1288 1320 1360 hborder 0 720 732 740 746 vborder 0 +hsync -vsync VertFreq: 74 Hz, HorFreq: 55889 Hz Detailed mode: Clock 106.500 MHz, 531 mm x 299 mm 1280 1360 1488 1696 hborder 0 800 803 809 838 vborder 0 +hsync -vsync VertFreq: 74 Hz, HorFreq: 62794 Hz Checksum: 0x32 (valid) EDID block does not conform at all! Both the serial number ... Detailed blocks filled with garbage Range descriptor contains garbage