edid-decode "/sys/class/drm/card0-VGA-1/edid": EDID (hex): 00ffffffffffff004c2d6e0037314f4d 0e0d01030f221b8cea6f8ba25a4d9424 1a5156bfef808180614045403140818f 614f454f314f302a009851002a403070 1300520e1100001e000000fd00384b1e 510e000a202020202020000000fc0053 796e634d61737465720a2020000000ff 00484d45573332373235300a20200032 Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 03 basic params: 0f 22 1b 8c ea chroma info: 6f 8b a2 5a 4d 94 24 1a 51 56 established: bf ef 80 standard: 81 80 61 40 45 40 31 40 81 8f 61 4f 45 4f 31 4f descriptor 1: 30 2a 00 98 51 00 2a 40 30 70 13 00 52 0e 11 00 00 1e descriptor 2: 00 00 00 fd 00 38 4b 1e 51 0e 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 45 57 33 32 37 32 35 30 0a 20 20 extensions: 00 checksum: 32 EDID version: 1.3 Manufacturer: SAM Model 6e Serial Number ... Analog display, Input voltage level: 0.7/0.3 V Sync: Separate Composite SyncOnGreen Serration Maximum image size: 34 cm x 27 cm Gamma: 2.40 DPMS levels: Standby Suspend Off RGB color display First detailed timing is preferred timing Display x,y Chromaticity: Red: 0.6337, 0.3535 Green: 0.3037, 0.5810 Blue: 0.1425, 0.1015 White: 0.3183, 0.3388 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@67Hz 4:3 HorFreq: 35000 Hz Clock: 30.240 MHz 640x480@72Hz 4:3 HorFreq: 37900 Hz Clock: 31.500 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@72Hz 4:3 HorFreq: 48100 Hz Clock: 50.000 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@70Hz 4:3 HorFreq: 56500 Hz Clock: 75.000 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: 1280x1024@60Hz 5:4 HorFreq: 64000 Hz Clock: 108.000 MHz 1024x768@60Hz 4:3 HorFreq: 48400 Hz Clock: 65.000 MHz 800x600@60Hz 4:3 HorFreq: 37900 Hz Clock: 40.000 MHz 640x480@60Hz 4:3 HorFreq: 31469 Hz Clock: 25.175 MHz 1280x1024@75Hz 5:4 HorFreq: 80000 Hz Clock: 135.000 MHz 1024x768@75Hz 4:3 HorFreq: 60000 Hz Clock: 78.750 MHz 800x600@75Hz 4:3 HorFreq: 46900 Hz Clock: 49.500 MHz 640x480@75Hz 4:3 HorFreq: 37500 Hz Clock: 31.500 MHz Detailed mode: Clock 108.000 MHz, 338 mm x 270 mm 1280 1328 1440 1688 hborder 0 1024 1025 1028 1066 vborder 0 +hsync +vsync VertFreq: 60 Hz, HorFreq: 63981 Hz Monitor ranges (GTF): 56-75Hz V, 30-81kHz H, max dotclock 140MHz Monitor name: SyncMaster Serial number: ... Checksum: 0x32 (valid) EDID block does not conform at all! Bad year of manufacture