edid-decode "/sys/class/drm/card0-DP-3/edid": EDID (hex): 00ffffffffffff0004729004ad880075 321b0104a53c227806ee91a3544c9926 0f505421080001010101010101010101 010101010101565e00a0a0a029503020 350056502100001a000000ff00234153 4d74322b47674e6b7a64000000fd001e a022f040010a202020202020000000fc 00584232373148550a20202020200136 020312412309070183010000654b0400 01015a8700a0a0a03b50302035005650 2100001a5aa000a0a0a0465030203500 56502100001a6fc200a0a0a055503020 350056502100001a22e50050a0a06750 08203a0056502100001e1c2500a0a0a0 11503020350056502100001a28f80050 a0a0405008203a0056502100001e0092 Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 04 basic params: a5 3c 22 78 06 chroma info: ee 91 a3 54 4c 99 26 0f 50 54 established: 21 08 00 standard: 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 descriptor 1: 56 5e 00 a0 a0 a0 29 50 30 20 35 00 56 50 21 00 00 1a descriptor 2: 00 00 00 ff 00 23 41 53 4d 74 32 2b 47 67 4e 6b 7a 64 descriptor 3: 00 00 00 fd 00 1e a0 22 f0 40 01 0a 20 20 20 20 20 20 descriptor 4: 00 00 00 fc 00 58 42 32 37 31 48 55 0a 20 20 20 20 20 extensions: 01 checksum: 36 EDID version: 1.4 Manufacturer: ACR Model 490 Serial Number ... Made in week 50 of 2017 Digital display 8 bits per primary color channel DisplayPort interface Maximum image size: 60 cm x 34 cm Gamma: 2.20 Supported color formats: RGB 4:4:4 Default (sRGB) color space is primary color space First detailed timing includes the native pixel format and preferred refresh rate Display x,y Chromaticity: Red: 0.6396, 0.3300 Green: 0.2998, 0.5996 Blue: 0.1503, 0.0595 White: 0.3125, 0.3291 Established timings supported: 640x480@60Hz 4:3 HorFreq: 31469 Hz Clock: 25.175 MHz 800x600@60Hz 4:3 HorFreq: 37900 Hz Clock: 40.000 MHz 1024x768@60Hz 4:3 HorFreq: 48400 Hz Clock: 65.000 MHz Standard timings supported: Detailed mode: Clock 241.500 MHz, 598 mm x 336 mm 2560 2608 2640 2720 hborder 0 1440 1443 1448 1481 vborder 0 +hsync -vsync VertFreq: 59 Hz, HorFreq: 88786 Hz Serial number: ... Monitor ranges (bare limits): 30-160Hz V, 34-240kHz H, max dotclock 640MHz Monitor name: XB271HU Has 1 extension blocks Checksum: 0x36 (valid) CTA extension block Extension version: 3 14 bytes of CTA data Audio data block Linear PCM, max channels 2 Supported sample rates (kHz): 48 44.1 32 Supported sample sizes (bits): 16 Speaker allocation data block Speaker map: FL/FR - Front Left/Right Vendor-specific data block, OUI 00044b Basic audio support 1 native detailed modes Detailed mode: Clock 346.500 MHz, 598 mm x 336 mm 2560 2608 2640 2720 hborder 0 1440 1443 1448 1499 vborder 0 +hsync -vsync VertFreq: 84 Hz, HorFreq: 127389 Hz Detailed mode: Clock 410.500 MHz, 598 mm x 336 mm 2560 2608 2640 2720 hborder 0 1440 1443 1448 1510 vborder 0 +hsync -vsync VertFreq: 99 Hz, HorFreq: 150919 Hz Detailed mode: Clock 497.750 MHz, 598 mm x 336 mm 2560 2608 2640 2720 hborder 0 1440 1443 1448 1525 vborder 0 +hsync -vsync VertFreq: 119 Hz, HorFreq: 182996 Hz Detailed mode: Clock 586.580 MHz, 598 mm x 336 mm 2560 2568 2600 2640 hborder 0 1440 1443 1453 1543 vborder 0 +hsync +vsync VertFreq: 143 Hz, HorFreq: 222189 Hz Detailed mode: Clock 95.000 MHz, 598 mm x 336 mm 2560 2608 2640 2720 hborder 0 1440 1443 1448 1457 vborder 0 +hsync -vsync VertFreq: 23 Hz, HorFreq: 34926 Hz Detailed mode: Clock 635.280 MHz, 598 mm x 336 mm 2560 2568 2600 2640 hborder 0 1440 1443 1453 1504 vborder 0 +hsync +vsync VertFreq: 159 Hz, HorFreq: 240636 Hz Checksum: 0x92 (valid) Warning: One or more of the timings is out of range of the Monitor Ranges: Vertical Freq: 23 - 159 Hz Horizontal Freq: 31469 - 240636 Hz Maximum Clock: 635.280 MHz EDID block does not conform at all! Both the serial number ...