edid-decode "/sys/class/drm/card0-HDMI-A-1/edid": EDID (hex): 00ffffffffffff0010acf04142485941 2a1e010380351e78eaf995a755549c26 0f5054a54b00714f8180a9c0d1c00101 010101010101023a801871382d40582c 45000f282100001e000000ff0042335a 343132330a2020202020000000fc0044 454c4c205332343231480a20000000fd 00304b1e5311000a2020202020200173 02032bf14f9005040302071601061112 1513141f230907078301000065030c00 2000681a00000101304be62a4480a070 382740302035000f282100001a011d80 18711c1620582c25000f282100009e01 1d007251d01e206e2855000f28210000 1e8c0ad08a20e02d10103e96000f2821 0000180000000000000000000000009c Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 03 basic params: 80 35 1e 78 ea chroma info: f9 95 a7 55 54 9c 26 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 0f 28 21 00 00 1e descriptor 2: 00 00 00 ff 00 42 33 5a 34 31 32 33 0a 20 20 20 20 20 descriptor 3: 00 00 00 fc 00 44 45 4c 4c 20 53 32 34 32 31 48 0a 20 descriptor 4: 00 00 00 fd 00 30 4b 1e 53 11 00 0a 20 20 20 20 20 20 extensions: 01 checksum: 73 EDID version: 1.3 Manufacturer: DEL Model 41f0 Serial Number ... Made in week 42 of 2020 Digital display Maximum image size: 53 cm x 30 cm Gamma: 2.20 DPMS levels: Standby Suspend Off RGB color display First detailed timing is preferred timing Display x,y Chromaticity: Red: 0.6552, 0.3349 Green: 0.3300, 0.6103 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 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, 527 mm x 296 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 S2421H Monitor ranges (GTF): 48-75Hz V, 30-83kHz H, max dotclock 170MHz Has 1 extension blocks Checksum: 0x73 (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 2.0.0.0 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, 527 mm x 296 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, 527 mm x 296 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, 527 mm x 296 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, 527 mm x 296 mm 720 736 798 858 hborder 0 480 489 495 525 vborder 0 -hsync -vsync VertFreq: 59 Hz, HorFreq: 31468 Hz Checksum: 0x9c (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 ...