edid-decode "/sys/class/drm/card0-VGA-1/edid": EDID (hex): 00ffffffffffff0005235074e0060000 140e01036d221b78ea2c12a25a4a9925 1b4e56bfef007140714a714f8140814a 814f81800101302a009851002a403070 1300520e1100001e000000fd00314b18 500e000a202020202020000000fc0046 2d3431370a20202020202020000000ff 00313736300a20202020202020200054 Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 03 basic params: 6d 22 1b 78 ea chroma info: 2c 12 a2 5a 4a 99 25 1b 4e 56 established: bf ef 00 standard: 71 40 71 4a 71 4f 81 40 81 4a 81 4f 81 80 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 fd 00 31 4b 18 50 0e 00 0a 20 20 20 20 20 20 descriptor 3: 00 00 00 fc 00 46 2d 34 31 37 0a 20 20 20 20 20 20 20 descriptor 4: 00 00 00 ff 00 31 37 36 30 0a 20 20 20 20 20 20 20 20 extensions: 00 checksum: 54 EDID version: 1.3 Manufacturer: AIC Model 7450 Serial Number ... Analog display, Input voltage level: 0.7/0.7 V Sync: Separate Composite Serration Maximum image size: 34 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: 0.6328, 0.3535 Green: 0.2919, 0.5976 Blue: 0.1445, 0.1064 White: 0.3046, 0.3378 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 Standard timings supported: 1152x864@60Hz 4:3 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 1280x960@70Hz 4:3 1280x960@75Hz 4:3 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 Monitor ranges (GTF): 49-75Hz V, 24-80kHz H, max dotclock 140MHz Monitor name: F-417 Serial number: ... Checksum: 0x54 (valid) EDID block does not conform at all! Bad year of manufacture