edid-decode "/sys/class/drm/card0-HDMI-A-1/edid": EDID (hex): 00ffffffffffff004c2d87053736535a 12150103803420782aee91a3544c9926 0f5054230800a9408180814081009500 b30001010101283c80a070b023403020 360006442100001a000000fd00323f1e 5111000a202020202020000000fc0053 796e634d61737465720a2020000000ff 00484d4a423530303632320a202001bc 02010400023a801871382d40582c4500 06442100001e023a80d072382d40102c 458006442100001e011d007251d01e20 6e28550006442100001e011d00bc52d0 1e20b828554006442100001e8c0ad090 204031200c4055000644210000188c0a d08a20e02d10103e9600064421000018 00000000000000000000000000000096 Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 03 basic params: 80 34 20 78 2a chroma info: ee 91 a3 54 4c 99 26 0f 50 54 established: 23 08 00 standard: a9 40 81 80 81 40 81 00 95 00 b3 00 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 fd 00 32 3f 1e 51 11 00 0a 20 20 20 20 20 20 descriptor 3: 00 00 00 fc 00 53 79 6e 63 4d 61 73 74 65 72 0a 20 20 descriptor 4: 00 00 00 ff 00 48 4d 4a 42 35 30 30 36 32 32 0a 20 20 extensions: 01 checksum: bc EDID version: 1.3 Manufacturer: SAM Model 587 Serial Number ... Made in week 18 of 2011 Digital display Maximum image size: 52 cm x 32 cm Gamma: 2.20 DPMS levels: Off RGB color display 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: 0.3125, 0.3291 Established timings supported: 640x480@60Hz 4:3 HorFreq: 31469 Hz Clock: 25.175 MHz 800x600@56Hz 4:3 HorFreq: 35200 Hz Clock: 36.000 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: 1600x1200@60Hz 4:3 HorFreq: 75000 Hz Clock: 162.000 MHz 1280x1024@60Hz 5:4 HorFreq: 64000 Hz Clock: 108.000 MHz 1280x960@60Hz 4:3 HorFreq: 60000 Hz Clock: 108.000 MHz 1280x800@60Hz 16:10 1440x900@60Hz 16:10 HorFreq: 55500 Hz Clock: 88.750 MHz 1680x1050@60Hz 16:10 HorFreq: 64700 Hz Clock: 119.000 MHz 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 Monitor ranges (GTF): 50-63Hz V, 30-81kHz H, max dotclock 170MHz Monitor name: SyncMaster Serial number: ... Has 1 extension blocks Checksum: 0xbc (valid) CTA extension block Extension version: 1 0 8-byte timing descriptors Detailed mode: Clock 148.500 MHz, 518 mm x 324 mm 1920 2008 2052 2200 hborder 0 1080 1084 1089 1125 vborder 0 +hsync +vsync VertFreq: 60 Hz, HorFreq: 67500 Hz Detailed mode: Clock 148.500 MHz, 518 mm x 324 mm 1920 2448 2492 2640 hborder 0 1080 1084 1089 1125 vborder 0 +hsync +vsync VertFreq: 50 Hz, HorFreq: 56250 Hz Detailed mode: Clock 74.250 MHz, 518 mm x 324 mm 1280 1390 1430 1650 hborder 0 720 725 730 750 vborder 0 +hsync +vsync VertFreq: 60 Hz, HorFreq: 45000 Hz Detailed mode: Clock 74.250 MHz, 518 mm x 324 mm 1280 1720 1760 1980 hborder 0 720 725 730 750 vborder 0 +hsync +vsync VertFreq: 50 Hz, HorFreq: 37500 Hz Detailed mode: Clock 27.000 MHz, 518 mm x 324 mm 720 732 796 864 hborder 0 576 581 586 625 vborder 0 -hsync -vsync VertFreq: 50 Hz, HorFreq: 31250 Hz Detailed mode: Clock 27.000 MHz, 518 mm x 324 mm 720 736 798 858 hborder 0 480 489 495 525 vborder 0 -hsync -vsync VertFreq: 59 Hz, HorFreq: 31468 Hz Checksum: 0x96 (valid) EDID block does not conform at all! Both the serial number ... edid-decode "/sys/class/drm/card0-VGA-1/edid": EDID (hex): 00ffffffffffff0034a4f68601010101 1e120103082f1e78eaee95a3544c9926 0f5054a54b008180b300950001010101 01010101010121399030621a274068b0 3600da281100001c000000fc004d4433 3034323250560a202020000000fd0035 4c395310000a202020202020000000ff 003830373030353630360a2020200019 Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 03 basic params: 08 2f 1e 78 ea chroma info: ee 95 a3 54 4c 99 26 0f 50 54 established: a5 4b 00 standard: 81 80 b3 00 95 00 01 01 01 01 01 01 01 01 01 01 descriptor 1: 21 39 90 30 62 1a 27 40 68 b0 36 00 da 28 11 00 00 1c descriptor 2: 00 00 00 fc 00 4d 44 33 30 34 32 32 50 56 0a 20 20 20 descriptor 3: 00 00 00 fd 00 35 4c 39 53 10 00 0a 20 20 20 20 20 20 descriptor 4: 00 00 00 ff 00 38 30 37 30 30 35 36 30 36 0a 20 20 20 extensions: 00 checksum: 19 EDID version: 1.3 Manufacturer: MED Model 86f6 Serial Number ... Made in week 30 of 2008 Analog display, Input voltage level: 0.7/0.3 V Sync: Separate Maximum image size: 47 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: 0.6396, 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: 1280x1024@60Hz 5:4 HorFreq: 64000 Hz Clock: 108.000 MHz 1680x1050@60Hz 16:10 HorFreq: 64700 Hz Clock: 119.000 MHz 1440x900@60Hz 16:10 HorFreq: 55500 Hz Clock: 88.750 MHz 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 name: MD30422PV Monitor ranges (GTF): 53-76Hz V, 57-83kHz H, max dotclock 160MHz Serial number: ... Checksum: 0x19 (valid) One or more of the timings is out of range of the Monitor Ranges: Vertical Freq: 59 - 75 Hz Horizontal Freq: 31469 - 80000 Hz Maximum Clock: 146.250 MHz