edid-decode "/sys/class/drm/card0-DP-3/edid": EDID (hex): 00ffffffffffff001e6d835be4940300 0a1d0104a5362178fa7b45a4554aa227 0b5054210800714081c0810081809500 9040a9c0b300283c80a070b023403020 36001c542100001a000000fd002f4c1e 5311000a202020202020000000fc0032 35424c353657590a20202020000000ff 003931304e54514436573732340a0158 02031cf149900403011012101f132309 07078301000065030c001000283c80a0 70b02340302036001c542100001a023a 801871382d40582c45001c542100001e 8c0ad08a20e02d10103e9600fe221100 0018011d007251d01e206e285500084a 2100001e000000000000000000000000 00000000000000000000000000000008 Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 04 basic params: a5 36 21 78 fa chroma info: 7b 45 a4 55 4a a2 27 0b 50 54 established: 21 08 00 standard: 71 40 81 c0 81 00 81 80 95 00 90 40 a9 c0 b3 00 descriptor 1: 28 3c 80 a0 70 b0 23 40 30 20 36 00 1c 54 21 00 00 1a descriptor 2: 00 00 00 fd 00 2f 4c 1e 53 11 00 0a 20 20 20 20 20 20 descriptor 3: 00 00 00 fc 00 32 35 42 4c 35 36 57 59 0a 20 20 20 20 descriptor 4: 00 00 00 ff 00 39 31 30 4e 54 51 44 36 57 37 32 34 0a extensions: 01 checksum: 58 EDID version: 1.4 Manufacturer: GSM Model 5b83 Serial Number ... Made in week 10 of 2019 Digital display 8 bits per primary color channel DisplayPort interface Maximum image size: 54 cm x 33 cm Gamma: 2.20 DPMS levels: Standby Suspend 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: 0.6416, 0.3349 Green: 0.2910, 0.6357 Blue: 0.1533, 0.0429 White: 0.3134, 0.3291 Established timings supported: 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: 1152x864@60Hz 4:3 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 1400x1050@60Hz 4:3 HorFreq: 64700 Hz Clock: 101.000 MHz 1600x900@60Hz 16:9 1680x1050@60Hz 16:10 HorFreq: 64700 Hz Clock: 119.000 MHz Detailed mode: Clock 154.000 MHz, 540 mm x 340 mm 1920 1968 2000 2080 hborder 0 1200 1203 1209 1235 vborder 0 +hsync -vsync VertFreq: 59 Hz, HorFreq: 74038 Hz Monitor ranges (GTF): 47-76Hz V, 30-83kHz H, max dotclock 170MHz Monitor name: 25BL56WY Serial number: ... Has 1 extension blocks Checksum: 0x58 (valid) CTA extension block Extension version: 3 24 bytes of CTA data Video data block VIC 16 1920x1080@60Hz 16:9 (native) HorFreq: 67500 Hz Clock: 148.500 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 1 640x480@60Hz 4:3 HorFreq: 31469 Hz Clock: 25.175 MHz VIC 16 1920x1080@60Hz 16:9 HorFreq: 67500 Hz Clock: 148.500 MHz VIC 18 720x576@50Hz 16:9 HorFreq: 31250 Hz Clock: 27.000 MHz 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 19 1280x720@50Hz 16:9 HorFreq: 37500 Hz Clock: 74.250 MHz 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 1.0.0.0 Underscans PC formats by default Basic audio support Supports YCbCr 4:4:4 Supports YCbCr 4:2:2 1 native detailed modes Detailed mode: Clock 154.000 MHz, 540 mm x 340 mm 1920 1968 2000 2080 hborder 0 1200 1203 1209 1235 vborder 0 +hsync -vsync VertFreq: 59 Hz, HorFreq: 74038 Hz Detailed mode: Clock 148.500 MHz, 540 mm x 340 mm 1920 2008 2052 2200 hborder 0 1080 1084 1089 1125 vborder 0 +hsync +vsync VertFreq: 60 Hz, HorFreq: 67500 Hz Detailed mode: Clock 27.000 MHz, 510 mm x 290 mm 720 736 798 858 hborder 0 480 489 495 525 vborder 0 -hsync -vsync VertFreq: 59 Hz, HorFreq: 31468 Hz Detailed mode: Clock 74.250 MHz, 520 mm x 330 mm 1280 1390 1430 1650 hborder 0 720 725 730 750 vborder 0 +hsync +vsync VertFreq: 60 Hz, HorFreq: 45000 Hz Checksum: 0x8 (valid) EDID block does not conform at all! Both the serial number ... edid-decode "/sys/class/drm/card0-DP-4/edid": EDID (hex): 00ffffffffffff0015c37129a9865f03 121f0104a5462878fa6875a6564fa226 0e5054a108008180a940d100b3008100 a9c081c001014dd000a0f0703e803020 3500ba892100001a023a801871382d40 582c4500ba892100001e000000fd001d 3d1f8636000a202020202020000000fc 004556333238350a202020202020011f 020313f14610220403020123097f0783 010000a36600a0f0701f8030203500ba 892100001a565e00a0a0a02950302035 00ba892100001a000000000000000000 00000000000000000000000000000000 00000000000000000000000000000000 00000000000000000000000000000000 00000000000000000000000000000084 Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 04 basic params: a5 46 28 78 fa chroma info: 68 75 a6 56 4f a2 26 0e 50 54 established: a1 08 00 standard: 81 80 a9 40 d1 00 b3 00 81 00 a9 c0 81 c0 01 01 descriptor 1: 4d d0 00 a0 f0 70 3e 80 30 20 35 00 ba 89 21 00 00 1a descriptor 2: 02 3a 80 18 71 38 2d 40 58 2c 45 00 ba 89 21 00 00 1e descriptor 3: 00 00 00 fd 00 1d 3d 1f 86 36 00 0a 20 20 20 20 20 20 descriptor 4: 00 00 00 fc 00 45 56 33 32 38 35 0a 20 20 20 20 20 20 extensions: 01 checksum: 1f EDID version: 1.4 Manufacturer: ENC Model 2971 Serial Number ... Made in week 18 of 2021 Digital display 8 bits per primary color channel DisplayPort interface Maximum image size: 70 cm x 40 cm Gamma: 2.20 DPMS levels: Standby Suspend 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: 0.6494, 0.3378 Green: 0.3105, 0.6328 Blue: 0.1494, 0.0576 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: 1280x1024@60Hz 5:4 HorFreq: 64000 Hz Clock: 108.000 MHz 1600x1200@60Hz 4:3 HorFreq: 75000 Hz Clock: 162.000 MHz 1920x1200@60Hz 16:10 HorFreq: 74000 Hz Clock: 154.000 MHz 1680x1050@60Hz 16:10 HorFreq: 64700 Hz Clock: 119.000 MHz 1280x800@60Hz 16:10 1600x900@60Hz 16:9 1280x720@60Hz 16:9 Detailed mode: Clock 533.250 MHz, 698 mm x 393 mm 3840 3888 3920 4000 hborder 0 2160 2163 2168 2222 vborder 0 +hsync -vsync VertFreq: 59 Hz, HorFreq: 133312 Hz Detailed mode: Clock 148.500 MHz, 698 mm x 393 mm 1920 2008 2052 2200 hborder 0 1080 1084 1089 1125 vborder 0 +hsync +vsync VertFreq: 60 Hz, HorFreq: 67500 Hz Monitor ranges (GTF): 29-61Hz V, 31-134kHz H, max dotclock 540MHz Monitor name: EV3285 Has 1 extension blocks Checksum: 0x1f (valid) CTA extension block Extension version: 3 15 bytes of CTA data Video data block VIC 16 1920x1080@60Hz 16:9 HorFreq: 67500 Hz Clock: 148.500 MHz VIC 34 1920x1080@30Hz 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 1 640x480@60Hz 4:3 HorFreq: 31469 Hz Clock: 25.175 MHz Audio data block Linear PCM, max channels 2 Supported sample rates (kHz): 192 176.4 96 88.2 48 44.1 32 Supported sample sizes (bits): 24 20 16 Speaker allocation data block Speaker map: FL/FR - Front Left/Right Underscans PC formats by default Basic audio support Supports YCbCr 4:4:4 Supports YCbCr 4:2:2 1 native detailed modes Detailed mode: Clock 262.750 MHz, 698 mm x 393 mm 3840 3888 3920 4000 hborder 0 2160 2163 2168 2191 vborder 0 +hsync -vsync VertFreq: 29 Hz, HorFreq: 65687 Hz Detailed mode: Clock 241.500 MHz, 698 mm x 393 mm 2560 2608 2640 2720 hborder 0 1440 1443 1448 1481 vborder 0 +hsync -vsync VertFreq: 59 Hz, HorFreq: 88786 Hz Checksum: 0x84 (valid) Warning: One or more of the timings is out of range of the Monitor Ranges: Vertical Freq: 29 - 70 Hz Horizontal Freq: 31469 - 133312 Hz Maximum Clock: 533.250 MHz