edid-decode "/sys/class/drm/card0-HDMI-A-1/edid": EDID (hex): 00ffffffffffff0010ac7da055315433 0f17010380351e78ea9265a655559f28 0d5054a54b00714f8180d1c001010101 010101010101023a801871382d40582c 4500132b2100001e000000ff0054544d 4447333438335431550a000000fc0044 454c4c205032343132480a20000000fd 00384c1e5311000a20202020202000bc 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: 92 65 a6 55 55 9f 28 0d 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 54 54 4d 44 47 33 34 38 33 54 31 55 0a descriptor 3: 00 00 00 fc 00 44 45 4c 4c 20 50 32 34 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: bc EDID version: 1.3 Manufacturer: DEL Model a07d Serial Number ... Made in week 15 of 2013 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, 0.3330 Green: 0.3320, 0.6230 Blue: 0.1572, 0.0527 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 P2412H Monitor ranges (GTF): 56-76Hz V, 30-83kHz H, max dotclock 170MHz Checksum: 0xbc (valid) edid-decode "/sys/class/drm/card0-HDMI-A-2/edid": EDID (hex): 00ffffffffffff0010ac7da055334331 0f16010380351e78ea9265a655559f28 0d5054a54b00714f8180d1c001010101 010101010101023a801871382d40582c 4500132b2100001e000000ff0054544d 4447323442314333550a000000fc0044 454c4c205032343132480a20000000fd 00384c1e5311000a20202020202000d6 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: 92 65 a6 55 55 9f 28 0d 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 54 54 4d 44 47 32 34 42 31 43 33 55 0a descriptor 3: 00 00 00 fc 00 44 45 4c 4c 20 50 32 34 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: d6 EDID version: 1.3 Manufacturer: DEL Model a07d Serial Number ... Made in week 15 of 2012 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, 0.3330 Green: 0.3320, 0.6230 Blue: 0.1572, 0.0527 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 P2412H Monitor ranges (GTF): 56-76Hz V, 30-83kHz H, max dotclock 170MHz Checksum: 0xd6 (valid)