edid-decode "/sys/class/drm/card0-VGA-1/edid": EDID (hex): 00ffffffffffff0030aecd2301010101 2d1001036d1e17782871d6a256499624 134f54bdce0061400101010101010101 01010101010164190040410026301888 360030e410000018000000fc004c454e 204c3135310a20202020000000fd0038 4c1e3f08000a202020202020000000ff 0056364e473830320a2020202020009d Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 03 basic params: 6d 1e 17 78 28 chroma info: 71 d6 a2 56 49 96 24 13 4f 54 established: bd ce 00 standard: 61 40 01 01 01 01 01 01 01 01 01 01 01 01 01 01 descriptor 1: 64 19 00 40 41 00 26 30 18 88 36 00 30 e4 10 00 00 18 descriptor 2: 00 00 00 fc 00 4c 45 4e 20 4c 31 35 31 0a 20 20 20 20 descriptor 3: 00 00 00 fd 00 38 4c 1e 3f 08 00 0a 20 20 20 20 20 20 descriptor 4: 00 00 00 ff 00 56 36 4e 47 38 30 32 0a 20 20 20 20 20 extensions: 00 checksum: 9d EDID version: 1.3 Manufacturer: LEN Model 23cd Serial Number ... Made in week 45 of 2006 Analog display, Input voltage level: 0.7/0.7 V Sync: Separate Composite Serration Maximum image size: 30 cm x 23 cm Gamma: 2.20 DPMS levels: Off RGB color display Display x,y Chromaticity: Red: 0.6337, 0.3388 Green: 0.2851, 0.5869 Blue: 0.1435, 0.0751 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@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@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 Standard timings supported: 1024x768@60Hz 4:3 HorFreq: 48400 Hz Clock: 65.000 MHz Detailed mode: Clock 65.000 MHz, 304 mm x 228 mm 1024 1048 1184 1344 hborder 0 768 771 777 806 vborder 0 -hsync -vsync VertFreq: 60 Hz, HorFreq: 48363 Hz Monitor name: LEN L151 Monitor ranges (GTF): 56-76Hz V, 30-63kHz H, max dotclock 80MHz Serial number: ... Checksum: 0x9d (valid) EDID block does NOT conform to EDID 1.3! Missing preferred timing