edid-decode "/sys/class/drm/card0-DP-1/edid": EDID (hex): 00ffffffffffff00410c2b08115b0000 0d0f0104a5221b78e6beb5a356489a24 155054bfef8081800101010101010101 010101010101302a009851002a403070 1300520e1100001e000000ff0020564e 20203032333331330a20000000fc0050 68696c69707320313730530a000000fd 00384c1e530e000a2020202020200055 Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 04 basic params: a5 22 1b 78 e6 chroma info: be b5 a3 56 48 9a 24 15 50 54 established: bf ef 80 standard: 81 80 01 01 01 01 01 01 01 01 01 01 01 01 01 01 descriptor 1: 30 2a 00 98 51 00 2a 40 30 70 13 00 52 0e 11 00 00 1e descriptor 2: 00 00 00 ff 00 20 56 4e 20 20 30 32 33 33 31 33 0a 20 descriptor 3: 00 00 00 fc 00 50 68 69 6c 69 70 73 20 31 37 30 53 0a descriptor 4: 00 00 00 fd 00 38 4c 1e 53 0e 00 0a 20 20 20 20 20 20 extensions: 00 checksum: 55 EDID version: 1.4 Manufacturer: PHL Model 82b Serial Number ... Digital display 8 bits per primary color channel DisplayPort interface Maximum image size: 34 cm x 27 cm Gamma: 2.20 DPMS levels: Standby Suspend 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: 0.6386, 0.3388 Green: 0.2841, 0.6035 Blue: 0.1425, 0.0849 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 Detailed mode: Clock 108.000 MHz, 338 mm x 270 mm 1280 1328 1440 1688 hborder 0 1024 1025 1028 1066 vborder 0 +hsync +vsync VertFreq: 60 Hz, HorFreq: 63981 Hz Serial number: ... Monitor name: Philips 170S Monitor ranges (GTF): 56-76Hz V, 30-83kHz H, max dotclock 140MHz Checksum: 0x55 (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