edid-decode "/sys/class/drm/card0-eDP-1/edid": EDID (hex): 00ffffffffffff00061007a000000000 32140104b53c2278226fb1a7554c9e25 0c505400000001010101010101010101 010101010101565e00a0a0a029503020 350055502100001a1a1d008051d01c20 4080350055502100001c000000fc0069 4d61630a202020202020202000000000 00000000000000000000000000000188 02030cc12309070783010000565e00a0 a0a029503020350055502100001a1a1d 008051d01c204080350055502100001c 00000000000000000000000000000000 00000000000000000000000000000000 00000000000000000000000000000000 00000000000000000000000000000000 00000000000000000000000000000013 Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 04 basic params: b5 3c 22 78 22 chroma info: 6f b1 a7 55 4c 9e 25 0c 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: 56 5e 00 a0 a0 a0 29 50 30 20 35 00 55 50 21 00 00 1a descriptor 2: 1a 1d 00 80 51 d0 1c 20 40 80 35 00 55 50 21 00 00 1c 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 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 extensions: 01 checksum: 88 EDID version: 1.4 Manufacturer: APP Model a007 Serial Number ... Made in week 50 of 2010 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 First detailed timing includes the native pixel format and preferred refresh rate Display x,y Chromaticity: Red: 0.6533, 0.3339 Green: 0.2998, 0.6201 Blue: 0.1464, 0.0498 White: 0.3125, 0.3291 Established timings supported: Standard timings supported: 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 Detailed mode: Clock 74.500 MHz, 597 mm x 336 mm 1280 1344 1472 1664 hborder 0 720 723 728 748 vborder 0 -hsync +vsync VertFreq: 59 Hz, HorFreq: 44771 Hz Monitor name: iMac Manufacturer-specified data, tag 0 Has 1 extension blocks Checksum: 0x88 (valid) CTA extension block Extension version: 3 8 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 Underscans PC formats by default Basic audio support 1 native detailed modes 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 Detailed mode: Clock 74.500 MHz, 597 mm x 336 mm 1280 1344 1472 1664 hborder 0 720 723 728 748 vborder 0 -hsync +vsync VertFreq: 59 Hz, HorFreq: 44771 Hz Checksum: 0x13 (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