edid-decode "/sys/class/drm/card0-eDP-1/edid": EDID (hex): 00ffffffffffff00061025ae481f7260 051c0104b53c2278200d01ae5241b226 0e505400000001010101010101010101 0101010101014dd000a0f0703e803020 350055502100001a565e00a0a0a02950 3020350055502100001a000000fc0069 4d61630a2020202020202020000000ff 00383843343036333438314633320130 020327c0230907078301000070fa1000 00127631fc78fbff02108862d369fa10 00faf8f8feffffcd9180a0c008347030 20350055502100001a00000000000000 00000000000000000000000000000000 00000000000000000000000000000000 00000000000000000000000000000000 0000000000000000000000000000003e Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 04 basic params: b5 3c 22 78 20 chroma info: 0d 01 ae 52 41 b2 26 0e 50 54 established: 00 00 00 standard: 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 descriptor 1: 4d d0 00 a0 f0 70 3e 80 30 20 35 00 55 50 21 00 00 1a descriptor 2: 56 5e 00 a0 a0 a0 29 50 30 20 35 00 55 50 21 00 00 1a descriptor 3: 00 00 00 fc 00 69 4d 61 63 0a 20 20 20 20 20 20 20 20 descriptor 4: 00 00 00 ff 00 38 38 43 34 30 36 33 34 38 31 46 33 32 extensions: 01 checksum: 30 EDID version: 1.4 Manufacturer: APP Model ae25 Serial Number ... Made in week 5 of 2018 Digital display 10 bits per primary color channel DisplayPort interface Maximum image size: 60 cm x 34 cm Gamma: 2.20 DPMS levels: Off Supported color formats: RGB 4:4:4 Display x,y Chromaticity: Red: 0.6796, 0.3203 Green: 0.2568, 0.6962 Blue: 0.1484, 0.0546 White: 0.3125, 0.3291 Established timings supported: Standard timings supported: Detailed mode: Clock 533.250 MHz, 597 mm x 336 mm 3840 3888 3920 4000 hborder 0 2160 2163 2168 2222 vborder 0 +hsync -vsync VertFreq: 59 Hz, HorFreq: 133312 Hz Detailed mode: Clock 241.500 MHz, 597 mm x 336 mm 2560 2608 2640 2720 hborder 0 1440 1443 1448 1481 vborder 0 +hsync -vsync VertFreq: 59 Hz, HorFreq: 88786 Hz Monitor name: iMac Serial number: ... Has 1 extension blocks Checksum: 0x30 (valid) CTA extension block Extension version: 3 35 bytes of CTA data Audio data block Linear PCM, max channels 2 Supported sample rates (kHz): 48 44.1 32 Supported sample sizes (bits): 24 20 16 Speaker allocation data block Speaker map: FL/FR - Front Left/Right Vendor-specific data block, OUI 0010fa Vendor-specific data block, OUI 0010fa Underscans PC formats by default Basic audio support 0 native detailed modes Detailed mode: Clock 373.250 MHz, 597 mm x 336 mm 3200 3248 3280 3360 hborder 0 1800 1803 1808 1852 vborder 0 +hsync -vsync VertFreq: 59 Hz, HorFreq: 111086 Hz Checksum: 0x3e (valid) EDID block does NOT conform to EDID 1.4! Required 640x480p60 timings are missing in the established timings and/or in the SVD list (VIC 1) Missing monitor ranges EDID block does not conform at all! Both the serial number ...