edid-decode "/sys/class/drm/card0-DVI-D-1/edid": EDID (hex): 00ffffffffffff0010ac5fa04c543131 0615010380331d78eeee95a3544c9926 0f5054a54b00714f8180d1c001010101 010101010101023a801871382d40582c 4500fd1e1100001e000000ff00485638 58503131563131544c0a000000fc0044 454c4c205532333131480a20000000fd 00384c1e5311000a202020202020009a Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 03 basic params: 80 33 1d 78 ee chroma info: ee 95 a3 54 4c 99 26 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 fd 1e 11 00 00 1e descriptor 2: 00 00 00 ff 00 48 56 38 58 50 31 31 56 31 31 54 4c 0a descriptor 3: 00 00 00 fc 00 44 45 4c 4c 20 55 32 33 31 31 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: 9a EDID version: 1.3 Manufacturer: DEL Model a05f Serial Number ... Made in week 6 of 2011 Digital display Maximum image size: 51 cm x 29 cm Gamma: 2.20 DPMS levels: Standby Suspend Off RGB color display Default (sRGB) color space is primary color space First detailed timing is preferred timing 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 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, 509 mm x 286 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 U2311H Monitor ranges (GTF): 56-76Hz V, 30-83kHz H, max dotclock 170MHz Checksum: 0x9a (valid) EDID block does NOT conform to EDID 1.3! sRGB is signaled, but the chromaticities do not match edid-decode "/sys/class/drm/card0-VGA-1/edid": EDID (hex): 00ffffffffffff001e6db35637a80300 0c1201036a312078eaaec5a2574a9c25 125054a76b80950f950081808140714f 0101010101017c2e90a0601a1e403020 3600da281100001a21399030621a2740 68b03600da281100001c000000fd0038 4b1e530f000a202020202020000000fc 0057323234310a202020202020200022 Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 03 basic params: 6a 31 20 78 ea chroma info: ae c5 a2 57 4a 9c 25 12 50 54 established: a7 6b 80 standard: 95 0f 95 00 81 80 81 40 71 4f 01 01 01 01 01 01 descriptor 1: 7c 2e 90 a0 60 1a 1e 40 30 20 36 00 da 28 11 00 00 1a descriptor 2: 21 39 90 30 62 1a 27 40 68 b0 36 00 da 28 11 00 00 1c descriptor 3: 00 00 00 fd 00 38 4b 1e 53 0f 00 0a 20 20 20 20 20 20 descriptor 4: 00 00 00 fc 00 57 32 32 34 31 0a 20 20 20 20 20 20 20 extensions: 00 checksum: 22 EDID version: 1.3 Manufacturer: GSM Model 56b3 Serial Number ... Made in week 12 of 2008 Analog display, Input voltage level: 0.7/0.7 V Sync: Separate SyncOnGreen Maximum image size: 49 cm x 32 cm Gamma: 2.20 DPMS levels: Standby Suspend Off RGB color display First detailed timing is preferred timing Display x,y Chromaticity: Red: 0.6347, 0.3417 Green: 0.2919, 0.6113 Blue: 0.1474, 0.0703 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@56Hz 4:3 HorFreq: 35200 Hz Clock: 36.000 MHz 800x600@60Hz 4:3 HorFreq: 37900 Hz Clock: 40.000 MHz 800x600@75Hz 4:3 HorFreq: 46900 Hz Clock: 49.500 MHz 832x624@75Hz 4:3 HorFreq: 49726 Hz Clock: 57.284 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 1152x870@75Hz 192:145 HorFreq: 67500 Hz Clock: 108.000 MHz Standard timings supported: 1440x900@75Hz 16:10 HorFreq: 82300 Hz Clock: 156.000 MHz 1440x900@60Hz 16:10 HorFreq: 55500 Hz Clock: 88.750 MHz 1280x1024@60Hz 5:4 HorFreq: 64000 Hz Clock: 108.000 MHz 1280x960@60Hz 4:3 HorFreq: 60000 Hz Clock: 108.000 MHz 1152x864@75Hz 4:3 HorFreq: 67500 Hz Clock: 108.000 MHz Detailed mode: Clock 119.000 MHz, 474 mm x 296 mm 1680 1728 1760 1840 hborder 0 1050 1053 1059 1080 vborder 0 +hsync -vsync VertFreq: 59 Hz, HorFreq: 64673 Hz Detailed mode: Clock 146.250 MHz, 474 mm x 296 mm 1680 1784 1960 2240 hborder 0 1050 1053 1059 1089 vborder 0 -hsync +vsync VertFreq: 59 Hz, HorFreq: 65290 Hz Monitor ranges (GTF): 56-75Hz V, 30-83kHz H, max dotclock 150MHz Monitor name: W2241 Checksum: 0x22 (valid) One or more of the timings is out of range of the Monitor Ranges: Vertical Freq: 56 - 75 Hz Horizontal Freq: 31469 - 82300 Hz Maximum Clock: 156.000 MHz