edid-decode "/sys/class/drm/card0-VGA-1/edid": EDID (hex): 00ffffffffffff0004897a210e380000 040e010308211b78e8c5c6a3574a9c23 124f54a7ef8081800101010101010101 010101010101302a009851002a403070 13004a0e1100001e100bd0b420903110 126cd2004a0e1100001cd50980a020e0 2d101060a2004a0e11000018000000fc 00414449204d5320413731350a2000aa Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 03 basic params: 08 21 1b 78 e8 chroma info: c5 c6 a3 57 4a 9c 23 12 4f 54 established: a7 ef 80 standard: 81 80 01 01 01 01 01 01 01 01 01 01 01 01 01 01 descriptor 1: 30 2a 00 98 51 00 2a 40 30 70 13 00 4a 0e 11 00 00 1e descriptor 2: 10 0b d0 b4 20 90 31 10 12 6c d2 00 4a 0e 11 00 00 1c descriptor 3: d5 09 80 a0 20 e0 2d 10 10 60 a2 00 4a 0e 11 00 00 18 descriptor 4: 00 00 00 fc 00 41 44 49 20 4d 53 20 41 37 31 35 0a 20 extensions: 00 checksum: aa EDID version: 1.3 Manufacturer: ADI Model 217a Serial Number ... Analog display, Input voltage level: 0.7/0.3 V Sync: Separate Maximum image size: 33 cm x 27 cm Gamma: 2.20 DPMS levels: Standby Suspend Off RGB color display Display x,y Chromaticity: Red: 0.6396, 0.3398 Green: 0.2900, 0.6103 Blue: 0.1396, 0.0703 White: 0.3095, 0.3300 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@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 Detailed mode: Clock 108.000 MHz, 330 mm x 270 mm 1280 1328 1440 1688 hborder 0 1024 1025 1028 1066 vborder 0 +hsync +vsync VertFreq: 60 Hz, HorFreq: 63981 Hz Detailed mode: Clock 28.320 MHz, 330 mm x 270 mm 720 738 846 900 hborder 0 400 413 415 449 vborder 0 -hsync +vsync VertFreq: 70 Hz, HorFreq: 31466 Hz Detailed mode: Clock 25.170 MHz, 330 mm x 270 mm 640 656 752 800 hborder 0 480 490 492 525 vborder 0 -hsync -vsync VertFreq: 59 Hz, HorFreq: 31462 Hz Monitor name: ADI MS A715 Checksum: 0xaa (valid) EDID block does NOT conform to EDID 1.3! Missing preferred timing Missing monitor ranges EDID block does not conform at all! Bad year of manufacture