edid-decode "/sys/class/drm/card0-DP-1/edid": EDID (hex): 00ffffffffffff0010acf541554b4543 031f0103803c2278eab9a5a356509f26 0e5054a54b00714f8180a9c0d1c00101 010101010101023a801871382d40582c 450056502100001e000000ff00383534 394432330a2020202020000000fc0044 454c4c205332373231480a20000000fd 00304b1e5312000a202020202020015d 02032bf14f9005040302071601061112 1513141f230907078301000065030c00 1000681a00000101304be62a4480a070 3827403020350056502100001a011d80 18711c1620582c250056502100009e01 1d007251d01e206e2855005650210000 1e8c0ad08a20e02d10103e9600565021 000018000000000000000000000000f0 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: b9 a5 a3 56 50 9f 26 0e 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 35 34 39 44 32 33 0a 20 20 20 20 20 descriptor 3: 00 00 00 fc 00 44 45 4c 4c 20 53 32 37 32 31 48 0a 20 descriptor 4: 00 00 00 fd 00 30 4b 1e 53 12 00 0a 20 20 20 20 20 20 extensions: 01 checksum: 5d EDID version: 1.3 Manufacturer: DEL Model 41f5 Serial Number ... Made in week 3 of 2021 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: 0.6386, 0.3388 Green: 0.3144, 0.6220 Blue: 0.1503, 0.0566 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 S2721H Monitor ranges (GTF): 48-75Hz V, 30-83kHz H, max dotclock 180MHz Has 1 extension blocks Checksum: 0x5d (valid) CTA extension block Extension version: 3 39 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 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 Vendor-specific data block, OUI 00001a 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 174.500 MHz, 598 mm x 336 mm 1920 1968 2000 2080 hborder 0 1080 1083 1088 1119 vborder 0 +hsync -vsync VertFreq: 74 Hz, HorFreq: 83894 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: 0xf0 (valid) One or more of the timings is out of range of the Monitor Ranges: Vertical Freq: 50 - 75 Hz Horizontal Freq: 15625 - 83894 Hz Maximum Clock: 174.500 MHz EDID block does not conform at all! Both the serial number ... edid-decode "/sys/class/drm/card0-eDP-1/edid": EDID (hex): 00ffffffffffff0006af9d4200000000 181d0104a5261678029675a356529c27 0c505400000001010101010101010101 010101010101403880b470383e401010 3e007ed71000001a403880b470385c41 10103e007ed71000001a000000fe0031 574b3643804231373348414e00000000 000241019e001100000a010a202000c1 Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 04 basic params: a5 26 16 78 02 chroma info: 96 75 a3 56 52 9c 27 0c 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: 40 38 80 b4 70 38 3e 40 10 10 3e 00 7e d7 10 00 00 1a descriptor 2: 40 38 80 b4 70 38 5c 41 10 10 3e 00 7e d7 10 00 00 1a descriptor 3: 00 00 00 fe 00 31 57 4b 36 43 80 42 31 37 33 48 41 4e descriptor 4: 00 00 00 00 00 02 41 01 9e 00 11 00 00 0a 01 0a 20 20 extensions: 00 checksum: c1 EDID version: 1.4 Manufacturer: AUO Model 429d Serial Number ... Made in week 24 of 2019 Digital display 8 bits per primary color channel DisplayPort interface Maximum image size: 38 cm x 22 cm Gamma: 2.20 Supported color formats: RGB 4:4:4 First detailed timing includes the native pixel format and preferred refresh rate Display x,y Chromaticity: Red: 0.6386, 0.3369 Green: 0.3212, 0.6113 Blue: 0.1533, 0.0498 White: 0.3134, 0.3291 Established timings supported: Standard timings supported: Detailed mode: Clock 144.000 MHz, 382 mm x 215 mm 1920 1936 1952 2100 hborder 0 1080 1083 1097 1142 vborder 0 +hsync -vsync VertFreq: 60 Hz, HorFreq: 68571 Hz Detailed mode: Clock 144.000 MHz, 382 mm x 215 mm 1920 1936 1952 2100 hborder 0 1080 1083 1097 1428 vborder 0 +hsync -vsync VertFreq: 48 Hz, HorFreq: 68571 Hz ASCII string: 1WK6C Manufacturer-specified data, tag 0 Checksum: 0xc1 (valid) EDID block does NOT conform to EDID 1.4! Missing name descriptor Missing monitor ranges Detailed block string not properly terminated