edid-decode "/sys/class/drm/card0-HDMI-A-4/edid": EDID (hex): 00ffffffffffff0004722d0377690034 2817010380301b782a84d5a25a52a226 0d5054b30c00d1c0b300950081808100 81c0714f0101023a801871382d40582c 4500dd0c1100001e000000fd00374c1e 5311000a202020202020000000ff004c 584c4545303139343230390a000000fc 0041636572205632323648514c0a0165 02031b61230907078301000067030c00 2000802d43908402e2000f8c0ad08a20 e02d10103e9600a05a00000000000000 00000000000000000000000000000000 00000000000000000000000000000000 00000000000000000000000000000000 00000000000000000000000000000000 00000000000000000000000000000029 Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 03 basic params: 80 30 1b 78 2a chroma info: 84 d5 a2 5a 52 a2 26 0d 50 54 established: b3 0c 00 standard: d1 c0 b3 00 95 00 81 80 81 00 81 c0 71 4f 01 01 descriptor 1: 02 3a 80 18 71 38 2d 40 58 2c 45 00 dd 0c 11 00 00 1e descriptor 2: 00 00 00 fd 00 37 4c 1e 53 11 00 0a 20 20 20 20 20 20 descriptor 3: 00 00 00 ff 00 4c 58 4c 45 45 30 31 39 34 32 30 39 0a descriptor 4: 00 00 00 fc 00 41 63 65 72 20 56 32 32 36 48 51 4c 0a extensions: 01 checksum: 65 EDID version: 1.3 Manufacturer: ACR Model 32d Serial Number ... Made in week 40 of 2013 Digital display Maximum image size: 48 cm x 27 cm Gamma: 2.20 DPMS levels: Off RGB color display First detailed timing is preferred timing Display x,y Chromaticity: Red: 0.6347, 0.3515 Green: 0.3212, 0.6328 Blue: 0.1513, 0.0517 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@67Hz 4:3 HorFreq: 35000 Hz Clock: 30.240 MHz 800x600@56Hz 4:3 HorFreq: 35200 Hz Clock: 36.000 MHz 800x600@60Hz 4:3 HorFreq: 37900 Hz Clock: 40.000 MHz 1024x768@60Hz 4:3 HorFreq: 48400 Hz Clock: 65.000 MHz 1024x768@70Hz 4:3 HorFreq: 56500 Hz Clock: 75.000 MHz Standard timings supported: 1920x1080@60Hz 16:9 1680x1050@60Hz 16:10 HorFreq: 64700 Hz Clock: 119.000 MHz 1440x900@60Hz 16:10 HorFreq: 55500 Hz Clock: 88.750 MHz 1280x1024@60Hz 5:4 HorFreq: 64000 Hz Clock: 108.000 MHz 1280x800@60Hz 16:10 1280x720@60Hz 16:9 1152x864@75Hz 4:3 HorFreq: 67500 Hz Clock: 108.000 MHz Detailed mode: Clock 148.500 MHz, 477 mm x 268 mm 1920 2008 2052 2200 hborder 0 1080 1084 1089 1125 vborder 0 +hsync +vsync VertFreq: 60 Hz, HorFreq: 67500 Hz Monitor ranges (GTF): 55-76Hz V, 30-83kHz H, max dotclock 170MHz Serial number: ... Monitor name: Acer V226HQL Has 1 extension blocks Checksum: 0x65 (valid) CTA extension block Extension version: 3 23 bytes of CTA data 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 Supports_AI Maximum TMDS clock: 225MHz Video data block VIC 16 1920x1080@60Hz 16:9 (native) HorFreq: 67500 Hz Clock: 148.500 MHz VIC 4 1280x720@60Hz 16:9 (native) HorFreq: 45000 Hz Clock: 74.250 MHz VIC 2 720x480@60Hz 4:3 HorFreq: 31469 Hz Clock: 27.000 MHz Extended tag: Video capability data block YCbCr quantization: No Data (0) RGB quantization: No Data (0) PT scan behaviour: No Data (0) IT scan behaviour: Support both over- and underscan (3) CE scan behaviour: Support both over- and underscan (3) Basic audio support Supports YCbCr 4:4:4 1 native detailed modes Detailed mode: Clock 27.000 MHz, 160 mm x 90 mm 720 736 798 858 hborder 0 480 489 495 525 vborder 0 -hsync -vsync analog composite VertFreq: 59 Hz, HorFreq: 31468 Hz Checksum: 0x29 (valid) EDID block does not conform at all! Both the serial number ... edid-decode "/sys/class/drm/card1-eDP-1/edid": EDID (hex): 00ffffffffffff0030e43f0500000000 001a010495221378eaa1c59459578f27 20505400000001010101010101010101 0101010101012e3680a070381f403020 350058c21000001a5c2b80a070381f40 3020350058c21000001a000000fe0034 584b3133803135365746360a00000000 0000413196001000000a010a202000c5 Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 04 basic params: 95 22 13 78 ea chroma info: a1 c5 94 59 57 8f 27 20 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: 2e 36 80 a0 70 38 1f 40 30 20 35 00 58 c2 10 00 00 1a descriptor 2: 5c 2b 80 a0 70 38 1f 40 30 20 35 00 58 c2 10 00 00 1a descriptor 3: 00 00 00 fe 00 34 58 4b 31 33 80 31 35 36 57 46 36 0a descriptor 4: 00 00 00 00 00 00 41 31 96 00 10 00 00 0a 01 0a 20 20 extensions: 00 checksum: c5 EDID version: 1.4 Manufacturer: LGD Model 53f Serial Number ... Made in year 2016 Digital display 6 bits per primary color channel DisplayPort interface Maximum image size: 34 cm x 19 cm Gamma: 2.20 DPMS levels: Standby Suspend Off Supported color formats: RGB 4:4:4, YCrCb 4:4:4 First detailed timing includes the native pixel format and preferred refresh rate Display x,y Chromaticity: Red: 0.5800, 0.3496 Green: 0.3398, 0.5595 Blue: 0.1552, 0.1250 White: 0.3134, 0.3291 Established timings supported: Standard timings supported: Detailed mode: Clock 138.700 MHz, 344 mm x 194 mm 1920 1968 2000 2080 hborder 0 1080 1083 1088 1111 vborder 0 +hsync -vsync VertFreq: 60 Hz, HorFreq: 66682 Hz Detailed mode: Clock 111.000 MHz, 344 mm x 194 mm 1920 1968 2000 2080 hborder 0 1080 1083 1088 1111 vborder 0 +hsync -vsync VertFreq: 48 Hz, HorFreq: 53365 Hz ASCII string: 4XK13 Manufacturer-specified data, tag 0 Checksum: 0xc5 (valid) EDID block does NOT conform to EDID 1.4! Missing name descriptor Missing monitor ranges Detailed block string not properly terminated