edid-decode "/sys/class/drm/card0-DP-2/edid": EDID (hex): 00ffffffffffff000469ec275e910000 141a0104a53c227806ee91a3544c9926 0f505421080001010101010101010101 010101010101565e00a0a0a029503020 350056502100001a000000ff00234153 4e73665063502f745864000000fd001e a522f040010a202020202020000000fc 00524f47205047323739510a2020010e 020312412309070183010000654b0400 01015a8700a0a0a03b50302035005650 2100001a5aa000a0a0a0465030203500 56502100001a6fc200a0a0a055503020 350056502100001a22e50050a0a06750 08203a0056502100001e1c2500a0a0a0 11503020350056502100001a42f80050 a0a0135008203a0056502100001e00a5 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 4e 73 66 50 63 50 2f 74 58 64 descriptor 3: 00 00 00 fd 00 1e a5 22 f0 40 01 0a 20 20 20 20 20 20 descriptor 4: 00 00 00 fc 00 52 4f 47 20 50 47 32 37 39 51 0a 20 20 extensions: 01 checksum: 0e EDID version: 1.4 Manufacturer: ACI Model 27ec Serial Number ... Made in week 20 of 2016 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): 30-165Hz V, 34-240kHz H, max dotclock 640MHz Monitor name: ROG PG279Q Has 1 extension blocks Checksum: 0xe (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 635.540 MHz, 598 mm x 336 mm 2560 2568 2600 2640 hborder 0 1440 1443 1453 1459 vborder 0 +hsync +vsync VertFreq: 164 Hz, HorFreq: 240734 Hz Checksum: 0xa5 (valid) Warning: One or more of the timings is out of range of the Monitor Ranges: Vertical Freq: 23 - 164 Hz Horizontal Freq: 31469 - 240734 Hz Maximum Clock: 635.540 MHz EDID block does not conform at all! Both the serial number ... edid-decode "/sys/class/drm/card0-DP-3/edid": EDID (hex): 00ffffffffffff0010ac7ba04c455430 16170104a53420783aee95a3544c9926 0f5054a1080081408180a940b300d1c0 010101010101283c80a070b023403020 360006442100001a000000ff00304646 58443335523054454c0a000000fc0044 454c4c2055323431324d0a20000000fd 00323d1e5311000a202020202020009b Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 04 basic params: a5 34 20 78 3a chroma info: ee 95 a3 54 4c 99 26 0f 50 54 established: a1 08 00 standard: 81 40 81 80 a9 40 b3 00 d1 c0 01 01 01 01 01 01 descriptor 1: 28 3c 80 a0 70 b0 23 40 30 20 36 00 06 44 21 00 00 1a descriptor 2: 00 00 00 ff 00 30 46 46 58 44 33 35 52 30 54 45 4c 0a descriptor 3: 00 00 00 fc 00 44 45 4c 4c 20 55 32 34 31 32 4d 0a 20 descriptor 4: 00 00 00 fd 00 32 3d 1e 53 11 00 0a 20 20 20 20 20 20 extensions: 00 checksum: 9b EDID version: 1.4 Manufacturer: DEL Model a07b Serial Number ... Made in week 22 of 2013 Digital display 8 bits per primary color channel DisplayPort interface Maximum image size: 52 cm x 32 cm Gamma: 2.20 DPMS levels: Off Supported color formats: RGB 4:4:4, YCrCb 4:4:4, YCrCb 4:2:2 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: 0.3134, 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 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: 1280x960@60Hz 4:3 HorFreq: 60000 Hz Clock: 108.000 MHz 1280x1024@60Hz 5:4 HorFreq: 64000 Hz Clock: 108.000 MHz 1600x1200@60Hz 4:3 HorFreq: 75000 Hz Clock: 162.000 MHz 1680x1050@60Hz 16:10 HorFreq: 64700 Hz Clock: 119.000 MHz 1920x1080@60Hz 16:9 Detailed mode: Clock 154.000 MHz, 518 mm x 324 mm 1920 1968 2000 2080 hborder 0 1200 1203 1209 1235 vborder 0 +hsync -vsync VertFreq: 59 Hz, HorFreq: 74038 Hz Serial number: ... Monitor name: DELL U2412M Monitor ranges (GTF): 50-61Hz V, 30-83kHz H, max dotclock 170MHz Checksum: 0x9b (valid) Warning: One or more of the timings is out of range of the Monitor Ranges: Vertical Freq: 59 - 70 Hz Horizontal Freq: 31469 - 75000 Hz Maximum Clock: 162.000 MHz