edid-decode "DP-0/edid": EDID (hex): 00ffffffffffff00047240ad66019052 1d0f010468221b6b2ac0f5a3574a9c23 114f54a54f00818f8180614f6140454f 454001010101302a009851002a403070 1300540e1100001e000000ff0045544c 343030383031320a2020000000fd0037 4b1e530e000a202020202020000000fc 004163657220414c313735310a2000ae Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 04 basic params: 68 22 1b 6b 2a chroma info: c0 f5 a3 57 4a 9c 23 11 4f 54 established: a5 4f 00 standard: 81 8f 81 80 61 4f 61 40 45 4f 45 40 01 01 01 01 descriptor 1: 30 2a 00 98 51 00 2a 40 30 70 13 00 54 0e 11 00 00 1e descriptor 2: 00 00 00 ff 00 45 54 4c 34 30 30 38 30 31 32 0a 20 20 descriptor 3: 00 00 00 fd 00 37 4b 1e 53 0e 00 0a 20 20 20 20 20 20 descriptor 4: 00 00 00 fc 00 41 63 65 72 20 41 4c 31 37 35 31 0a 20 extensions: 00 checksum: ae EDID version: 1.4 Manufacturer: ACR Model ad40 Serial Number ... Analog display, Input voltage level: 0.7/0.7 V Blank level equals black level Sync: Separate Maximum image size: 34 cm x 27 cm Gamma: 2.07 DPMS levels: Off RGB color display First detailed timing includes the native pixel format and preferred refresh rate Display x,y Chromaticity: Red: 0.6396, 0.3398 Green: 0.2890, 0.6093 Blue: 0.1396, 0.0693 White: 0.3095, 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@75Hz 4:3 HorFreq: 37500 Hz Clock: 31.500 MHz 800x600@60Hz 4:3 HorFreq: 37900 Hz Clock: 40.000 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: 1280x1024@75Hz 5:4 HorFreq: 80000 Hz Clock: 135.000 MHz 1280x1024@60Hz 5:4 HorFreq: 64000 Hz Clock: 108.000 MHz 1024x768@75Hz 4:3 HorFreq: 60000 Hz Clock: 78.750 MHz 1024x768@60Hz 4:3 HorFreq: 48400 Hz Clock: 65.000 MHz 800x600@75Hz 4:3 HorFreq: 46900 Hz Clock: 49.500 MHz 800x600@60Hz 4:3 HorFreq: 37900 Hz Clock: 40.000 MHz Detailed mode: Clock 108.000 MHz, 340 mm x 270 mm 1280 1328 1440 1688 hborder 0 1024 1025 1028 1066 vborder 0 +hsync +vsync VertFreq: 60 Hz, HorFreq: 63981 Hz Serial number: ... Monitor ranges (GTF): 55-75Hz V, 30-83kHz H, max dotclock 140MHz Monitor name: Acer AL1751 Checksum: 0xae (valid) EDID block does not conform at all! Bad year of manufacture