edid-decode "/sys/class/drm/card4-eDP-1/edid": EDID (hex): 00ffffffffffff0009e5cb0700000000 011c010495221378020980955c5a9129 21505400000001010101010101010101 010101010101033a803671381e403020 360058c11000001a0000000000000000 00000000000000000000000000fe0042 4f452043510a202020202020000000fe 004e5431353646484d2d4e36310a0065 Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 04 basic params: 95 22 13 78 02 chroma info: 09 80 95 5c 5a 91 29 21 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: 03 3a 80 36 71 38 1e 40 30 20 36 00 58 c1 10 00 00 1a descriptor 2: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 descriptor 3: 00 00 00 fe 00 42 4f 45 20 43 51 0a 20 20 20 20 20 20 descriptor 4: 00 00 00 fe 00 4e 54 31 35 36 46 48 4d 2d 4e 36 31 0a extensions: 00 checksum: 65 EDID version: 1.4 Manufacturer: BOE Model 7cb Serial Number ... Made in week 1 of 2018 Digital display 6 bits per primary color channel DisplayPort interface Maximum image size: 34 cm x 19 cm Gamma: 2.20 Supported color formats: RGB 4:4:4 First detailed timing includes the native pixel format and preferred refresh rate Display x,y Chromaticity: Red: 0.5820, 0.3593 Green: 0.3535, 0.5673 Blue: 0.1621, 0.1289 White: 0.3125, 0.3281 Established timings supported: Standard timings supported: Detailed mode: Clock 148.510 MHz, 344 mm x 193 mm 1920 1968 2000 2230 hborder 0 1080 1083 1089 1110 vborder 0 +hsync -vsync VertFreq: 59 Hz, HorFreq: 66596 Hz Manufacturer-specified data, tag 0 ASCII string: BOE CQ ASCII string: NT156FHM-N61 Checksum: 0x65 (valid) EDID block does NOT conform to EDID 1.4! Missing name descriptor Missing monitor ranges edid-decode "/sys/class/drm/card4-HDMI-A-1/edid": EDID (hex): 00ffffffffffff0010ac9ba055573331 2e19010380351e78eaa0a5a656529d27 0f5054a54b00714f8180a9c0d1c00101 010101010101023a801871382d40582c 45000f292100001e000000ff00395433 5043354245313357550a000000fc0044 454c4c205032343134480a20000000fd 00384c1e5311000a20202020202000d9 Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 03 basic params: 80 35 1e 78 ea chroma info: a0 a5 a6 56 52 9d 27 0f 50 54 established: a5 4b 00 standard: 71 4f 81 80 a9 c0 d1 c0 01 01 01 01 01 01 01 01 descriptor 1: 02 3a 80 18 71 38 2d 40 58 2c 45 00 0f 29 21 00 00 1e descriptor 2: 00 00 00 ff 00 39 54 33 50 43 35 42 45 31 33 57 55 0a descriptor 3: 00 00 00 fc 00 44 45 4c 4c 20 50 32 34 31 34 48 0a 20 descriptor 4: 00 00 00 fd 00 38 4c 1e 53 11 00 0a 20 20 20 20 20 20 extensions: 00 checksum: d9 EDID version: 1.3 Manufacturer: DEL Model a09b Serial Number ... Made in week 46 of 2015 Digital display Maximum image size: 53 cm x 30 cm Gamma: 2.20 DPMS levels: Standby Suspend Off RGB color display First detailed timing is preferred timing Display x,y Chromaticity: Red: 0.6503, 0.3378 Green: 0.3203, 0.6132 Blue: 0.1542, 0.0605 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 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@75Hz 4:3 HorFreq: 60000 Hz Clock: 78.750 MHz 1280x1024@75Hz 5:4 HorFreq: 80000 Hz Clock: 135.000 MHz Standard timings supported: 1152x864@75Hz 4:3 HorFreq: 67500 Hz Clock: 108.000 MHz 1280x1024@60Hz 5:4 HorFreq: 64000 Hz Clock: 108.000 MHz 1600x900@60Hz 16:9 1920x1080@60Hz 16:9 Detailed mode: Clock 148.500 MHz, 527 mm x 297 mm 1920 2008 2052 2200 hborder 0 1080 1084 1089 1125 vborder 0 +hsync +vsync VertFreq: 60 Hz, HorFreq: 67500 Hz Serial number: ... Monitor name: DELL P2414H Monitor ranges (GTF): 56-76Hz V, 30-83kHz H, max dotclock 170MHz Checksum: 0xd9 (valid)