edid-decode "/sys/class/drm/card0-VGA-1/edid": EDID (hex): 00ffffffffffff00503462b508020000 320d0103681e17822a8f3da4584d9024 154f51bfee0001010101010101010101 01010101010164190040410026301888 360030e410000018000000ff00333530 564c3542393030353230000000fd0037 4b1e3f08000a202020202020000000fc 00564c35423944412d4530320a2000d5 Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 03 basic params: 68 1e 17 82 2a chroma info: 8f 3d a4 58 4d 90 24 15 4f 51 established: bf ee 00 standard: 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 descriptor 1: 64 19 00 40 41 00 26 30 18 88 36 00 30 e4 10 00 00 18 descriptor 2: 00 00 00 ff 00 33 35 30 56 4c 35 42 39 30 30 35 32 30 descriptor 3: 00 00 00 fd 00 37 4b 1e 3f 08 00 0a 20 20 20 20 20 20 descriptor 4: 00 00 00 fc 00 56 4c 35 42 39 44 41 2d 45 30 32 0a 20 extensions: 00 checksum: d5 EDID version: 1.3 Manufacturer: TAT Model b562 Serial Number ... Analog display, Input voltage level: 0.7/0.7 V Sync: Separate Maximum image size: 30 cm x 23 cm Gamma: 2.30 DPMS levels: Off RGB color display First detailed timing is preferred timing Display x,y Chromaticity: Red: 0.6425, 0.3437 Green: 0.3037, 0.5654 Blue: 0.1406, 0.0849 White: 0.3115, 0.3173 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 Standard timings supported: Detailed mode: Clock 65.000 MHz, 304 mm x 228 mm 1024 1048 1184 1344 hborder 0 768 771 777 806 vborder 0 -hsync -vsync VertFreq: 60 Hz, HorFreq: 48363 Hz Serial number: ... Monitor ranges (GTF): 55-75Hz V, 30-63kHz H, max dotclock 80MHz Monitor name: VL5B9DA-E02 Checksum: 0xd5 (valid) EDID block does not conform at all! Bad year of manufacture