edid-decode "/sys/class/drm/card0-VGA-1/edid": EDID (hex): 00ffffffffffff0034a4b8076c8b0100 060f010368221b962a0c55a559479b24 125054afcf00310a0101010101018180 000000000000d60980a0205e63103060 0200510e1100001e000000fc004d4433 3032313750470a202020000000fd0038 4c1e530e000a202020202020000000ff 003530313130313232380a202020008c Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 03 basic params: 68 22 1b 96 2a chroma info: 0c 55 a5 59 47 9b 24 12 50 54 established: af cf 00 standard: 31 0a 01 01 01 01 01 01 81 80 00 00 00 00 00 00 descriptor 1: d6 09 80 a0 20 5e 63 10 30 60 02 00 51 0e 11 00 00 1e descriptor 2: 00 00 00 fc 00 4d 44 33 30 32 31 37 50 47 0a 20 20 20 descriptor 3: 00 00 00 fd 00 38 4c 1e 53 0e 00 0a 20 20 20 20 20 20 descriptor 4: 00 00 00 ff 00 35 30 31 31 30 31 32 32 38 0a 20 20 20 extensions: 00 checksum: 8c EDID version: 1.3 Manufacturer: MED Model 7b8 Serial Number ... Analog display, Input voltage level: 0.7/0.7 V Sync: Separate Maximum image size: 34 cm x 27 cm Gamma: 2.50 DPMS levels: Off RGB color display First detailed timing is preferred timing Display x,y Chromaticity: Red: 0.6445, 0.3476 Green: 0.2802, 0.6054 Blue: 0.1416, 0.0712 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@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 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 Standard timings supported: 640x400@70Hz 16:10 1280x1024@60Hz 5:4 HorFreq: 64000 Hz Clock: 108.000 MHz non-conformant standard timing (0 horiz) non-conformant standard timing (0 horiz) non-conformant standard timing (0 horiz) Detailed mode: Clock 25.180 MHz, 337 mm x 270 mm 640 688 784 800 hborder 0 350 350 352 449 vborder 0 +hsync +vsync VertFreq: 70 Hz, HorFreq: 31475 Hz Monitor name: MD30217PG Monitor ranges (GTF): 56-76Hz V, 30-83kHz H, max dotclock 140MHz Serial number: ... Checksum: 0x8c (valid) EDID block does not conform at all! Bad year of manufacture