edid-decode "/sys/class/drm/card0-DP-3/edid": EDID (hex): 00ffffffffffff0010ac85414c384141 261e0103803c2278ea4815a756529c27 0f5054a54b00714f8180a9c0d1c00101 010101010101023a801871382d40582c 450056502100001e000000ff00383152 585631330a2020202020000000fc0044 454c4c205032373139480a20000000fd 00384c1e5311000a2020202020200173 020317b14c9005040302071601141f12 1365030c001000023a801871382d4058 2c450056502100001e011d8018711c16 20582c250056502100009e011d007251 d01e206e28550056502100001e8c0ad0 8a20e02d10103e960056502100001800 00000000000000000000000000000000 00000000000000000000000000000081 Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 03 basic params: 80 3c 22 78 ea chroma info: 48 15 a7 56 52 9c 27 0f 50 54 established: a5 4b 00 standard: 71 4f 81 80 a9 c0 d1 c0 01 01 01 01 01 01 01 01 descriptor 1: 02 3a 80 18 71 38 2d 40 58 2c 45 00 56 50 21 00 00 1e descriptor 2: 00 00 00 ff 00 38 31 52 58 56 31 33 0a 20 20 20 20 20 descriptor 3: 00 00 00 fc 00 44 45 4c 4c 20 50 32 37 31 39 48 0a 20 descriptor 4: 00 00 00 fd 00 38 4c 1e 53 11 00 0a 20 20 20 20 20 20 extensions: 01 checksum: 73 EDID version: 1.3 Manufacturer: DEL Model 4185 Serial Number ... Made in week 38 of 2020 Digital display Maximum image size: 60 cm x 34 cm Gamma: 2.20 DPMS levels: Standby Suspend Off RGB color display First detailed timing is preferred timing Display x,y Chromaticity: Red: 0.6533, 0.3359 Green: 0.3222, 0.6093 Blue: 0.1523, 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 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: 1152x864@75Hz 4:3 HorFreq: 67500 Hz Clock: 108.000 MHz 1280x1024@60Hz 5:4 HorFreq: 64000 Hz Clock: 108.000 MHz 1600x900@60Hz 16:9 1920x1080@60Hz 16:9 Detailed mode: Clock 148.500 MHz, 598 mm x 336 mm 1920 2008 2052 2200 hborder 0 1080 1084 1089 1125 vborder 0 +hsync +vsync VertFreq: 60 Hz, HorFreq: 67500 Hz Serial number: ... Monitor name: DELL P2719H Monitor ranges (GTF): 56-76Hz V, 30-83kHz H, max dotclock 170MHz Has 1 extension blocks Checksum: 0x73 (valid) CTA extension block Extension version: 3 19 bytes of CTA data Video data block VIC 16 1920x1080@60Hz 16:9 (native) HorFreq: 67500 Hz Clock: 148.500 MHz VIC 5 1920x1080i@60Hz 16:9 HorFreq: 33750 Hz Clock: 74.250 MHz VIC 4 1280x720@60Hz 16:9 HorFreq: 45000 Hz Clock: 74.250 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 7 1440x480i@60Hz 16:9 HorFreq: 15734 Hz Clock: 27.000 MHz VIC 22 1440x576i@50Hz 16:9 HorFreq: 15625 Hz Clock: 27.000 MHz VIC 1 640x480@60Hz 4:3 HorFreq: 31469 Hz Clock: 25.175 MHz VIC 20 1920x1080i@50Hz 16:9 HorFreq: 28125 Hz Clock: 74.250 MHz VIC 31 1920x1080@50Hz 16:9 HorFreq: 56250 Hz Clock: 148.500 MHz VIC 18 720x576@50Hz 16:9 HorFreq: 31250 Hz Clock: 27.000 MHz VIC 19 1280x720@50Hz 16:9 HorFreq: 37500 Hz Clock: 74.250 MHz Vendor-specific data block, OUI 000c03 (HDMI) Source physical address 1.0.0.0 Underscans PC formats by default Supports YCbCr 4:4:4 Supports YCbCr 4:2:2 1 native detailed modes Detailed mode: Clock 148.500 MHz, 598 mm x 336 mm 1920 2008 2052 2200 hborder 0 1080 1084 1089 1125 vborder 0 +hsync +vsync VertFreq: 60 Hz, HorFreq: 67500 Hz Detailed mode: Clock 74.250 MHz, 598 mm x 336 mm 1920 2008 2052 2200 hborder 0 540 542 547 562 vborder 0 +hsync +vsync interlaced VertFreq: 60 Hz, HorFreq: 33750 Hz Detailed mode: Clock 74.250 MHz, 598 mm x 336 mm 1280 1390 1430 1650 hborder 0 720 725 730 750 vborder 0 +hsync +vsync VertFreq: 60 Hz, HorFreq: 45000 Hz Detailed mode: Clock 27.000 MHz, 598 mm x 336 mm 720 736 798 858 hborder 0 480 489 495 525 vborder 0 -hsync -vsync VertFreq: 59 Hz, HorFreq: 31468 Hz Checksum: 0x81 (valid) One or more of the timings is out of range of the Monitor Ranges: Vertical Freq: 50 - 75 Hz Horizontal Freq: 15625 - 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): 00ffffffffffff0006af91d900000000 001e0104a51e13780344c5a85547a124 0e505400000001010101010101010101 010101010101006900a0a0402e603020 35002dbc1000001a005400a0a0402e60 302035002dbc1000001a000000fe0035 4e573135804231343051414e00000000 00024101b2011100000a010a202001c3 02030f00e3058000e60605016b6b4100 00000000000000000000000000000000 00000000000000000000000000000000 00000000000000000000000000000000 00000000000000000000000000000000 00000000000000000000000000000000 00000000000000000000000000000000 0000000000000000000000000000007b Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 04 basic params: a5 1e 13 78 03 chroma info: 44 c5 a8 55 47 a1 24 0e 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: 00 69 00 a0 a0 40 2e 60 30 20 35 00 2d bc 10 00 00 1a descriptor 2: 00 54 00 a0 a0 40 2e 60 30 20 35 00 2d bc 10 00 00 1a descriptor 3: 00 00 00 fe 00 35 4e 57 31 35 80 42 31 34 30 51 41 4e descriptor 4: 00 00 00 00 00 02 41 01 b2 01 11 00 00 0a 01 0a 20 20 extensions: 01 checksum: c3 EDID version: 1.4 Manufacturer: AUO Model d991 Serial Number ... Made in year 2020 Digital display 8 bits per primary color channel DisplayPort interface Maximum image size: 30 cm x 19 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: 0.6572, 0.3320 Green: 0.2783, 0.6289 Blue: 0.1435, 0.0546 White: 0.3134, 0.3291 Established timings supported: Standard timings supported: Detailed mode: Clock 268.800 MHz, 301 mm x 188 mm 2560 2608 2640 2720 hborder 0 1600 1603 1608 1646 vborder 0 +hsync -vsync VertFreq: 60 Hz, HorFreq: 98823 Hz Detailed mode: Clock 215.040 MHz, 301 mm x 188 mm 2560 2608 2640 2720 hborder 0 1600 1603 1608 1646 vborder 0 +hsync -vsync VertFreq: 48 Hz, HorFreq: 79058 Hz ASCII string: 5NW15 Manufacturer-specified data, tag 0 Has 1 extension blocks Checksum: 0xc3 (valid) CTA extension block Extension version: 3 11 bytes of CTA data Extended tag: Colorimetry data block BT2020RGB Extended tag: HDR static metadata data block Electro optical transfer functions: Traditional gamma - SDR luminance range SMPTE ST2084 Supported static metadata descriptors: Static metadata type 1 Desired content max luminance: 107 (507.620 cd/m^2) Desired content max frame-average luminance: 107 (507.620 cd/m^2) Desired content min luminance: 65 (0.330 cd/m^2) 0 native detailed modes Checksum: 0x7b (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 Detailed block string not properly terminated