edid-decode "/sys/class/drm/card0-HDMI-A-3/edid": EDID (hex): 00ffffffffffff0010ac7fa055353332 1217010380301b78ea3d25a35951a025 0f5054a54b00714f8180d1c001010101 010101010101023a801871382d40582c 4500132b2100001e000000ff00563056 434d333454323335550a000000fc0044 454c4c205032323132480a20000000fd 00384c1e5311000a202020202020008d Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 03 basic params: 80 30 1b 78 ea chroma info: 3d 25 a3 59 51 a0 25 0f 50 54 established: a5 4b 00 standard: 71 4f 81 80 d1 c0 01 01 01 01 01 01 01 01 01 01 descriptor 1: 02 3a 80 18 71 38 2d 40 58 2c 45 00 13 2b 21 00 00 1e descriptor 2: 00 00 00 ff 00 56 30 56 43 4d 33 34 54 32 33 35 55 0a descriptor 3: 00 00 00 fc 00 44 45 4c 4c 20 50 32 32 31 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: 8d EDID version: 1.3 Manufacturer: DEL Model a07f Serial Number ... Made in week 18 of 2013 Digital display Maximum image size: 48 cm x 27 cm Gamma: 2.20 DPMS levels: Standby Suspend Off RGB color display First detailed timing is preferred timing Display x,y Chromaticity: Red: 0.6367, 0.3505 Green: 0.3193, 0.6259 Blue: 0.1445, 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 1920x1080@60Hz 16:9 Detailed mode: Clock 148.500 MHz, 531 mm x 299 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 P2212H Monitor ranges (GTF): 56-76Hz V, 30-83kHz H, max dotclock 170MHz Checksum: 0x8d (valid)