edid-decode "/sys/class/drm/card0-DP-3/edid": EDID (hex): 00ffffffffffff004254011928090000 280f0104a5261e78266d55a25a4e9b23 165054bfef808180714f000000000000 000000000000302a009851002a403070 1300782d1100001e0000000000000000 00000000000000000000000000fd0038 4b1f530e000a202020202020000000fc 00564c313931380a20202020202000b6 Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 04 basic params: a5 26 1e 78 26 chroma info: 6d 55 a2 5a 4e 9b 23 16 50 54 established: bf ef 80 standard: 81 80 71 4f 00 00 00 00 00 00 00 00 00 00 00 00 descriptor 1: 30 2a 00 98 51 00 2a 40 30 70 13 00 78 2d 11 00 00 1e descriptor 2: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 descriptor 3: 00 00 00 fd 00 38 4b 1f 53 0e 00 0a 20 20 20 20 20 20 descriptor 4: 00 00 00 fc 00 56 4c 31 39 31 38 0a 20 20 20 20 20 20 extensions: 00 checksum: b6 EDID version: 1.4 Manufacturer: PRT Model 1901 Serial Number ... Digital display 8 bits per primary color channel DisplayPort interface Maximum image size: 38 cm x 30 cm Gamma: 2.20 DPMS levels: Off Supported color formats: RGB 4:4:4 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: 0.6337, 0.3535 Green: 0.3076, 0.6064 Blue: 0.1376, 0.0869 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 640x480@72Hz 4:3 HorFreq: 37900 Hz Clock: 31.500 MHz 640x480@75Hz 4:3 HorFreq: 37500 Hz Clock: 31.500 MHz 800x600@56Hz 4:3 HorFreq: 35200 Hz Clock: 36.000 MHz 800x600@60Hz 4:3 HorFreq: 37900 Hz Clock: 40.000 MHz 800x600@72Hz 4:3 HorFreq: 48100 Hz Clock: 50.000 MHz 800x600@75Hz 4:3 HorFreq: 46900 Hz Clock: 49.500 MHz 832x624@75Hz 4:3 HorFreq: 49726 Hz Clock: 57.284 MHz 1024x768@60Hz 4:3 HorFreq: 48400 Hz Clock: 65.000 MHz 1024x768@70Hz 4:3 HorFreq: 56500 Hz Clock: 75.000 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: 1280x1024@60Hz 5:4 HorFreq: 64000 Hz Clock: 108.000 MHz 1152x864@75Hz 4:3 HorFreq: 67500 Hz Clock: 108.000 MHz non-conformant standard timing (0 horiz) non-conformant standard timing (0 horiz) non-conformant standard timing (0 horiz) non-conformant standard timing (0 horiz) non-conformant standard timing (0 horiz) non-conformant standard timing (0 horiz) Detailed mode: Clock 108.000 MHz, 376 mm x 301 mm 1280 1328 1440 1688 hborder 0 1024 1025 1028 1066 vborder 0 +hsync +vsync VertFreq: 60 Hz, HorFreq: 63981 Hz Manufacturer-specified data, tag 0 Monitor ranges (GTF): 56-75Hz V, 31-83kHz H, max dotclock 140MHz Monitor name: VL1918 Checksum: 0xb6 (valid) EDID block does NOT conform to EDID 1.4! sRGB is signaled, but the chromaticities do not match EDID block does not conform at all! Bad year of manufacture