edid-decode "/sys/class/drm/card0-DP-2/edid": EDID (hex): 00ffffffffffff0010ac00d153444230 2f1d0104a53c22783a4c55a9554d9d26 0f5054a54b008100b300d100714fa940 8180d1c00101565e00a0a0a029503020 350055502100001a000000ff004a5636 394639424e304244530a000000fc0044 454c4c205032373230440a20000000fd 00314b1d711c010a202020202020017f 020314b14f9005040302071601061112 1513141f023a801871382d40582c4500 55502100001e011d8018711c1620582c 250055502100009e7e3900a080381f40 30203a0055502100001a000000000000 00000000000000000000000000000000 00000000000000000000000000000000 000000000000000000000000000000b2 Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 04 basic params: a5 3c 22 78 3a chroma info: 4c 55 a9 55 4d 9d 26 0f 50 54 established: a5 4b 00 standard: 81 00 b3 00 d1 00 71 4f a9 40 81 80 d1 c0 01 01 descriptor 1: 56 5e 00 a0 a0 a0 29 50 30 20 35 00 55 50 21 00 00 1a descriptor 2: 00 00 00 ff 00 4a 56 36 39 46 39 42 4e 30 42 44 53 0a descriptor 3: 00 00 00 fc 00 44 45 4c 4c 20 50 32 37 32 30 44 0a 20 descriptor 4: 00 00 00 fd 00 31 4b 1d 71 1c 01 0a 20 20 20 20 20 20 extensions: 01 checksum: 7f EDID version: 1.4 Manufacturer: DEL Model d100 Serial Number ... Made in week 47 of 2019 Digital display 8 bits per primary color channel DisplayPort interface Maximum image size: 60 cm x 34 cm Gamma: 2.20 DPMS levels: Off Supported color formats: RGB 4:4:4, YCrCb 4:4:4, YCrCb 4:2:2 First detailed timing includes the native pixel format and preferred refresh rate Display x,y Chromaticity: Red: 0.6611, 0.3320 Green: 0.3037, 0.6132 Blue: 0.1494, 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: 1280x800@60Hz 16:10 1680x1050@60Hz 16:10 HorFreq: 64700 Hz Clock: 119.000 MHz 1920x1200@60Hz 16:10 HorFreq: 74000 Hz Clock: 154.000 MHz 1152x864@75Hz 4:3 HorFreq: 67500 Hz Clock: 108.000 MHz 1600x1200@60Hz 4:3 HorFreq: 75000 Hz Clock: 162.000 MHz 1280x1024@60Hz 5:4 HorFreq: 64000 Hz Clock: 108.000 MHz 1920x1080@60Hz 16:9 Detailed mode: Clock 241.500 MHz, 597 mm x 336 mm 2560 2608 2640 2720 hborder 0 1440 1443 1448 1481 vborder 0 +hsync -vsync VertFreq: 59 Hz, HorFreq: 88786 Hz Serial number: ... Monitor name: DELL P2720D Monitor ranges (bare limits): 49-75Hz V, 29-113kHz H, max dotclock 280MHz Has 1 extension blocks Checksum: 0x7f (valid) CTA extension block Extension version: 3 16 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 6 1440x480i@60Hz 4:3 HorFreq: 15734 Hz Clock: 27.000 MHz VIC 17 720x576@50Hz 4:3 HorFreq: 31250 Hz Clock: 27.000 MHz VIC 18 720x576@50Hz 16:9 HorFreq: 31250 Hz Clock: 27.000 MHz VIC 21 1440x576i@50Hz 4:3 HorFreq: 15625 Hz Clock: 27.000 MHz VIC 19 1280x720@50Hz 16:9 HorFreq: 37500 Hz Clock: 74.250 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 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, 597 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, 597 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 147.180 MHz, 597 mm x 336 mm 2048 2096 2128 2208 hborder 0 1080 1083 1093 1111 vborder 0 +hsync -vsync VertFreq: 59 Hz, HorFreq: 66657 Hz Checksum: 0xb2 (valid) Warning: One or more of the timings is out of range of the Monitor Ranges: Vertical Freq: 50 - 75 Hz Horizontal Freq: 15625 - 88786 Hz Maximum Clock: 241.500 MHz EDID block does not conform at all! Both the serial number ... edid-decode "/sys/class/drm/card0-DVI-D-1/edid": EDID (hex): 00ffffffffffff0010ac7aa053593432 201a010380342078eaee95a3544c9926 0f5054a1080081408180a940b300d1c0 010101010101283c80a070b023403020 360006442100001a000000ff00595050 5930363838323459530a000000fc0044 454c4c2055323431324d0a20000000fd 00323d1e5311000a20202020202000f5 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 59 50 50 59 30 36 38 38 32 34 59 53 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: f5 EDID version: 1.3 Manufacturer: DEL Model a07a Serial Number ... Made in week 32 of 2016 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: 0xf5 (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