edid-decode "/sys/class/drm/card0-DP-1/edid": EDID (hex): 00ffffffffffff0010ac79a053393730 03170104a5342078e2ee95a3544c9926 0f5054a1080081408180a940b300d1c0 010101010101283c80a070b023403020 360006442100001a000000ff00304646 5844333149303739530a000000fc0044 454c4c2055323431324d0a20000000fd 00323d1e5311000a2020202020200059 Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 04 basic params: a5 34 20 78 e2 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 31 49 30 37 39 53 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: 59 EDID version: 1.4 Manufacturer: DEL Model a079 Serial Number ... Made in week 3 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: Standby Suspend 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: 0.6396, 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: 0x59 (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