edid-decode "/sys/class/drm/card0-eDP-1/edid": EDID (hex): 00ffffffffffff000dae211500000000 091e0104a52213780328659759548e27 1e505400000001010101010101010101 0101010101019e8580a070383e403020 a50058c1100000189e8580a070387c46 3020a50058c110000018000000fe0043 4d4e0a202020202020202020000000fe 004e3135364852412d4541310a2000e3 Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 04 basic params: a5 22 13 78 03 chroma info: 28 65 97 59 54 8e 27 1e 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: 9e 85 80 a0 70 38 3e 40 30 20 a5 00 58 c1 10 00 00 18 descriptor 2: 9e 85 80 a0 70 38 7c 46 30 20 a5 00 58 c1 10 00 00 18 descriptor 3: 00 00 00 fe 00 43 4d 4e 0a 20 20 20 20 20 20 20 20 20 descriptor 4: 00 00 00 fe 00 4e 31 35 36 48 52 41 2d 45 41 31 0a 20 extensions: 00 checksum: e3 EDID version: 1.4 Manufacturer: CMN Model 1521 Serial Number ... Made in week 9 of 2020 Digital display 8 bits per primary color channel DisplayPort interface Maximum image size: 34 cm x 19 cm Gamma: 2.20 Supported color formats: RGB 4:4:4 First detailed timing includes the native pixel format and preferred refresh rate Display is continuous frequency Display x,y Chromaticity: Red: 0.5898, 0.3496 Green: 0.3300, 0.5546 Blue: 0.1533, 0.1191 White: 0.3134, 0.3291 Established timings supported: Standard timings supported: Detailed mode: Clock 342.060 MHz, 344 mm x 193 mm 1920 1968 2000 2080 hborder 0 1080 1090 1095 1142 vborder 0 -hsync -vsync VertFreq: 144 Hz, HorFreq: 164451 Hz Detailed mode: Clock 342.060 MHz, 344 mm x 193 mm 1920 1968 2000 2080 hborder 0 1080 1090 1095 2740 vborder 0 -hsync -vsync VertFreq: 60 Hz, HorFreq: 164451 Hz ASCII string: CMN ASCII string: N156HRA-EA1 Checksum: 0xe3 (valid) EDID block does NOT conform to EDID 1.4! Missing name descriptor Missing monitor ranges edid-decode "/sys/class/drm/card1-HDMI-A-1/edid": EDID (hex): 00ffffffffffff003438c3069b11b400 260e010380211b78eaaea5a6544c9926 14505421080031404540614081800101 010101010101302a009851002a403070 13004a0e1100001e000000fd003b3d1f 43ff000a202020202020000000fc0042 656c696e6561200a20202020000000fc 003130313733300a2020202020200073 Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 03 basic params: 80 21 1b 78 ea chroma info: ae a5 a6 54 4c 99 26 14 50 54 established: 21 08 00 standard: 31 40 45 40 61 40 81 80 01 01 01 01 01 01 01 01 descriptor 1: 30 2a 00 98 51 00 2a 40 30 70 13 00 4a 0e 11 00 00 1e descriptor 2: 00 00 00 fd 00 3b 3d 1f 43 ff 00 0a 20 20 20 20 20 20 descriptor 3: 00 00 00 fc 00 42 65 6c 69 6e 65 61 20 0a 20 20 20 20 descriptor 4: 00 00 00 fc 00 31 30 31 37 33 30 0a 20 20 20 20 20 20 extensions: 00 checksum: 73 EDID version: 1.3 Manufacturer: MAX Model 6c3 Serial Number ... Digital display Maximum image size: 33 cm x 27 cm Gamma: 2.20 DPMS levels: Standby Suspend Off RGB color display First detailed timing is preferred timing Display x,y Chromaticity: Red: 0.6503, 0.3300 Green: 0.2998, 0.5996 Blue: 0.1503, 0.0800 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: 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 1280x1024@60Hz 5:4 HorFreq: 64000 Hz Clock: 108.000 MHz Detailed mode: Clock 108.000 MHz, 330 mm x 270 mm 1280 1328 1440 1688 hborder 0 1024 1025 1028 1066 vborder 0 +hsync +vsync VertFreq: 60 Hz, HorFreq: 63981 Hz Monitor ranges (GTF): 59-61Hz V, 31-67kHz H, max dotclock 2550MHz Monitor name: Belinea Checksum: 0x73 (valid) EDID block does not conform at all! Bad year of manufacture