edid-decode "/sys/class/drm/card0-VGA-1/edid": EDID (hex): 00ffffffffffff0010acc3a142464538 251f01030e351e78ea5625ab534f9d25 105054a54b00714f8180a9c0d1c081c0 81cf01010101023a801871382d40582c 45000f282100001e000000ff00473852 355a46330a2020202020000000fc0044 454c4c205032343232480a20000000fd 00384c1e5311000a2020202020200017 Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 03 basic params: 0e 35 1e 78 ea chroma info: 56 25 ab 53 4f 9d 25 10 50 54 established: a5 4b 00 standard: 71 4f 81 80 a9 c0 d1 c0 81 c0 81 cf 01 01 01 01 descriptor 1: 02 3a 80 18 71 38 2d 40 58 2c 45 00 0f 28 21 00 00 1e descriptor 2: 00 00 00 ff 00 47 38 52 35 5a 46 33 0a 20 20 20 20 20 descriptor 3: 00 00 00 fc 00 44 45 4c 4c 20 50 32 34 32 32 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: 17 EDID version: 1.3 Manufacturer: DEL Model a1c3 Serial Number ... Made in week 37 of 2021 Analog display, Input voltage level: 0.7/0.3 V Sync: Separate Composite SyncOnGreen 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: 0.6689, 0.3251 Green: 0.3095, 0.6152 Blue: 0.1445, 0.0644 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 1280x720@60Hz 16:9 1280x720@75Hz 16:9 Detailed mode: Clock 148.500 MHz, 527 mm x 296 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 P2422H Monitor ranges (GTF): 56-76Hz V, 30-83kHz H, max dotclock 170MHz Checksum: 0x17 (valid)