edid-decode "/sys/class/drm/card0-HDMI-A-1/edid": EDID (hex): 00ffffffffffff003aac010001000000 010b010381221b00ca0b329c5a4d8c26 204e57afcf0001010101010101010101 010101010101302a009851002a403070 1300520e1100001e000000fe000a2020 20202020202020202020000000fe000a 202020202020202020202020000000fc 000a202020202020202020202020007c Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 03 basic params: 81 22 1b 00 ca chroma info: 0b 32 9c 5a 4d 8c 26 20 4e 57 established: af cf 00 standard: 01 01 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 fe 00 0a 20 20 20 20 20 20 20 20 20 20 20 20 descriptor 3: 00 00 00 fe 00 0a 20 20 20 20 20 20 20 20 20 20 20 20 descriptor 4: 00 00 00 fc 00 0a 20 20 20 20 20 20 20 20 20 20 20 20 extensions: 00 checksum: 7c EDID version: 1.3 Manufacturer: NUL Model 1 Serial Number ... Digital display DFP 1.x compatible TMDS Maximum image size: 34 cm x 27 cm Gamma: 1.00 DPMS levels: Standby Suspend RGB color display First detailed timing is preferred timing Display x,y Chromaticity: Red: 0.6093, 0.3515 Green: 0.3027, 0.5498 Blue: 0.1484, 0.1279 White: 0.3046, 0.3417 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@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 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: 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 ASCII string: ASCII string: Monitor name: Checksum: 0x7c (valid) EDID block does NOT conform to EDID 1.3! Missing monitor ranges EDID block does not conform at all! Bad year of manufacture