edid-decode "/sys/class/drm/card0-VGA-1/edid": EDID (hex): 00ffffffffffff004c2d16013531454c 150e0103681c15782eee91a3544c9926 0f5054bfe80031594559614001010101 010101010101f91520f830581f202040 13000bc81000001e000000fd0032781e 3707000a202020202020000000fc0053 796e634d61737465720a2020000000ff 00484d41583531373031370a20200042 Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 03 basic params: 68 1c 15 78 2e chroma info: ee 91 a3 54 4c 99 26 0f 50 54 established: bf e8 00 standard: 31 59 45 59 61 40 01 01 01 01 01 01 01 01 01 01 descriptor 1: f9 15 20 f8 30 58 1f 20 20 40 13 00 0b c8 10 00 00 1e descriptor 2: 00 00 00 fd 00 32 78 1e 37 07 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 41 58 35 31 37 30 31 37 0a 20 20 extensions: 00 checksum: 42 EDID version: 1.3 Manufacturer: SAM Model 116 Serial Number ... Analog display, Input voltage level: 0.7/0.7 V Sync: Separate Maximum image size: 28 cm x 21 cm Gamma: 2.20 DPMS levels: Off RGB color display Default (sRGB) color space is primary color space 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: 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 Standard timings supported: 640x480@85Hz 4:3 HorFreq: 43300 Hz Clock: 36.000 MHz 800x600@85Hz 4:3 HorFreq: 53700 Hz Clock: 56.250 MHz 1024x768@60Hz 4:3 HorFreq: 48400 Hz Clock: 65.000 MHz Detailed mode: Clock 56.250 MHz, 267 mm x 200 mm 800 832 896 1048 hborder 0 600 601 604 631 vborder 0 +hsync +vsync VertFreq: 85 Hz, HorFreq: 53673 Hz Monitor ranges (GTF): 50-120Hz V, 30-55kHz H, max dotclock 70MHz Monitor name: SyncMaster Serial number: ... Checksum: 0x42 (valid) EDID block does not conform at all! Bad year of manufacture