edid-decode "/sys/class/drm/card0-VGA-1/edid": EDID (hex): 00ffffffffffff001ef9a807c0010000 200f010368261e96ea6e06a1544c9926 194f54bfef0081800101010101010101 010101010101302a009851002c403070 1300782d1100001e000000fc00465044 313936300a2020202020000000fd003c 4b1e500e000a202020202020000000ff 00433538203530482030303434380047 Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 03 basic params: 68 26 1e 96 ea chroma info: 6e 06 a1 54 4c 99 26 19 4f 54 established: bf ef 00 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 2c 40 30 70 13 00 78 2d 11 00 00 1e descriptor 2: 00 00 00 fc 00 46 50 44 31 39 36 30 0a 20 20 20 20 20 descriptor 3: 00 00 00 fd 00 3c 4b 1e 50 0e 00 0a 20 20 20 20 20 20 descriptor 4: 00 00 00 ff 00 43 35 38 20 35 30 48 20 30 30 34 34 38 extensions: 00 checksum: 47 EDID version: 1.3 Manufacturer: GWY Model 7a8 Serial Number ... Analog display, Input voltage level: 0.7/0.7 V Sync: Separate Maximum image size: 38 cm x 30 cm Gamma: 2.50 DPMS levels: Standby Suspend Off RGB color display First detailed timing is preferred timing Display x,y Chromaticity: Red: 0.6298, 0.3300 Green: 0.2998, 0.5996 Blue: 0.1484, 0.0976 White: 0.3095, 0.3300 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: 1280x1024@60Hz 5:4 HorFreq: 64000 Hz Clock: 108.000 MHz Detailed mode: Clock 108.000 MHz, 376 mm x 301 mm 1280 1328 1440 1688 hborder 0 1024 1025 1028 1068 vborder 0 +hsync +vsync VertFreq: 59 Hz, HorFreq: 63981 Hz Monitor name: FPD1960 Monitor ranges (GTF): 60-75Hz V, 30-80kHz H, max dotclock 140MHz Serial number: ... Checksum: 0x47 (valid) One or more of the timings is out of range of the Monitor Ranges: Vertical Freq: 56 - 75 Hz Horizontal Freq: 31469 - 80000 Hz Maximum Clock: 135.000 MHz EDID block does not conform at all! Bad year of manufacture