edid-decode "/sys/class/drm/card0-DP-1/edid": EDID (hex): 00ffffffffffff0010ac13414c303933 1c1c0104a5351e783eee95a3544c9926 0f5054a54b80714f81008180a9c0d1c0 010101010101023a801871382d40582c 45000f282100001e000000ff0033324d 504a3837423339304c0a000000fc0044 454c4c20503234313848540a000000fd 00324c1e5311000a2020202020200158 020318f14b900504030201111213141f 2309070783010000023a801871382d40 582c45000f282100001e011d8018711c 1620582c25000f282100009e011d0072 51d01e206e2855000f282100001e8c0a d08a20e02d10103e96000f2821000018 00000000000000000000000000000000 000000000000000000000000000000cf Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 04 basic params: a5 35 1e 78 3e chroma info: ee 95 a3 54 4c 99 26 0f 50 54 established: a5 4b 80 standard: 71 4f 81 00 81 80 a9 c0 d1 c0 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 33 32 4d 50 4a 38 37 42 33 39 30 4c 0a descriptor 3: 00 00 00 fc 00 44 45 4c 4c 20 50 32 34 31 38 48 54 0a descriptor 4: 00 00 00 fd 00 32 4c 1e 53 11 00 0a 20 20 20 20 20 20 extensions: 01 checksum: 58 EDID version: 1.4 Manufacturer: DEL Model 4113 Serial Number ... Made in week 28 of 2018 Digital display 8 bits per primary color channel DisplayPort interface Maximum image size: 53 cm x 30 cm Gamma: 2.20 DPMS levels: Off Supported color formats: RGB 4:4:4, YCrCb 4:4:4, YCrCb 4:2:2 Default (sRGB) color space is primary color space First detailed timing includes the native pixel format and preferred refresh rate 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 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 1152x870@75Hz 192:145 HorFreq: 67500 Hz Clock: 108.000 MHz Standard timings supported: 1152x864@75Hz 4:3 HorFreq: 67500 Hz Clock: 108.000 MHz 1280x800@60Hz 16:10 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 P2418HT Monitor ranges (GTF): 50-76Hz V, 30-83kHz H, max dotclock 170MHz Has 1 extension blocks Checksum: 0x58 (valid) CTA extension block Extension version: 3 20 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 1 640x480@60Hz 4:3 HorFreq: 31469 Hz Clock: 25.175 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 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 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 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 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: 0xcf (valid) EDID block does NOT conform to EDID 1.4! sRGB is signaled, but the chromaticities do not match Warning: One or more of the timings is out of range of the Monitor Ranges: Vertical Freq: 50 - 75 Hz Horizontal Freq: 28125 - 80000 Hz Maximum Clock: 148.500 MHz EDID block does not conform at all! Both the serial number ... edid-decode "/sys/class/drm/card0-VGA-1/edid": EDID (hex): 00ffffffffffff0010ac12414c303933 1c1c01030e351e782eee95a3544c9926 0f5054a54b80714f81008180a9c0d1c0 010101010101023a801871382d40582c 45000f282100001e000000ff0033324d 504a3837423339304c0a000000fc0044 454c4c20503234313848540a000000fd 00324c1e5311000a2020202020200002 Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 03 basic params: 0e 35 1e 78 2e chroma info: ee 95 a3 54 4c 99 26 0f 50 54 established: a5 4b 80 standard: 71 4f 81 00 81 80 a9 c0 d1 c0 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 33 32 4d 50 4a 38 37 42 33 39 30 4c 0a descriptor 3: 00 00 00 fc 00 44 45 4c 4c 20 50 32 34 31 38 48 54 0a descriptor 4: 00 00 00 fd 00 32 4c 1e 53 11 00 0a 20 20 20 20 20 20 extensions: 00 checksum: 02 EDID version: 1.3 Manufacturer: DEL Model 4112 Serial Number ... Made in week 28 of 2018 Analog display, Input voltage level: 0.7/0.3 V Sync: Separate Composite SyncOnGreen Maximum image size: 53 cm x 30 cm Gamma: 2.20 DPMS levels: Off RGB color display Default (sRGB) color space is primary color space 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 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 1152x870@75Hz 192:145 HorFreq: 67500 Hz Clock: 108.000 MHz Standard timings supported: 1152x864@75Hz 4:3 HorFreq: 67500 Hz Clock: 108.000 MHz 1280x800@60Hz 16:10 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 P2418HT Monitor ranges (GTF): 50-76Hz V, 30-83kHz H, max dotclock 170MHz Checksum: 0x2 (valid) EDID block does NOT conform to EDID 1.3! sRGB is signaled, but the chromaticities do not match