edid-decode "/sys/class/drm/card0-VGA-1/edid": EDID (hex): 00ffffffffffff00410c310847670300 260f01031f261e78eecd65a2594a9e24 125054bfef80714a714f814081800101 010101010101bc34009851002a403070 1300782d1100001e000000ff0020425a 20203232333034370a20000000fc0050 68696c69707320313930500a000000fd 00384c1e530e000a2020202020200097 Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 03 basic params: 1f 26 1e 78 ee chroma info: cd 65 a2 59 4a 9e 24 12 50 54 established: bf ef 80 standard: 71 4a 71 4f 81 40 81 80 01 01 01 01 01 01 01 01 descriptor 1: bc 34 00 98 51 00 2a 40 30 70 13 00 78 2d 11 00 00 1e descriptor 2: 00 00 00 ff 00 20 42 5a 20 20 32 32 33 30 34 37 0a 20 descriptor 3: 00 00 00 fc 00 50 68 69 6c 69 70 73 20 31 39 30 50 0a descriptor 4: 00 00 00 fd 00 38 4c 1e 53 0e 00 0a 20 20 20 20 20 20 extensions: 00 checksum: 97 EDID version: 1.3 Manufacturer: PHL Model 831 Serial Number ... Analog display, Input voltage level: 0.7/0.3 V Configurable signal levels Sync: Separate Composite SyncOnGreen Serration Maximum image size: 38 cm x 30 cm Gamma: 2.20 DPMS levels: Standby Suspend Off RGB color display Default (sRGB) color space is primary color space First detailed timing is preferred timing Display x,y Chromaticity: Red: 0.6357, 0.3476 Green: 0.2919, 0.6181 Blue: 0.1416, 0.0722 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: 1152x864@70Hz 4:3 1152x864@75Hz 4:3 HorFreq: 67500 Hz Clock: 108.000 MHz 1280x960@60Hz 4:3 HorFreq: 60000 Hz Clock: 108.000 MHz 1280x1024@60Hz 5:4 HorFreq: 64000 Hz Clock: 108.000 MHz Detailed mode: Clock 135.000 MHz, 376 mm x 301 mm 1280 1328 1440 1688 hborder 0 1024 1025 1028 1066 vborder 0 +hsync +vsync VertFreq: 75 Hz, HorFreq: 79976 Hz Serial number: ... Monitor name: Philips 190P Monitor ranges (GTF): 56-76Hz V, 30-83kHz H, max dotclock 140MHz Checksum: 0x97 (valid) EDID block does NOT conform to EDID 1.3! sRGB is signaled, but the chromaticities do not match EDID block does not conform at all! Bad year of manufacture