edid-decode "/sys/class/drm/card0-DVI-D-1/edid": EDID (hex): 00ffffffffffff0009d19b7845540000 0716010380301b782e1421a359559b26 0f5054a56b80d1c0b300a9c0818081c0 810001010101023a801871382d40582c 4500dd0c1100001e000000fd00324c1e 53150a20000000000000000000fc0042 656e5120474c323235300a20000000ff 004a324330333230323031390a200079 Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 03 basic params: 80 30 1b 78 2e chroma info: 14 21 a3 59 55 9b 26 0f 50 54 established: a5 6b 80 standard: d1 c0 b3 00 a9 c0 81 80 81 c0 81 00 01 01 01 01 descriptor 1: 02 3a 80 18 71 38 2d 40 58 2c 45 00 dd 0c 11 00 00 1e descriptor 2: 00 00 00 fd 00 32 4c 1e 53 15 0a 20 00 00 00 00 00 00 descriptor 3: 00 00 00 fc 00 42 65 6e 51 20 47 4c 32 32 35 30 0a 20 descriptor 4: 00 00 00 ff 00 4a 32 43 30 33 32 30 32 30 31 39 0a 20 extensions: 00 checksum: 79 EDID version: 1.3 Manufacturer: BNQ Model 789b Serial Number ... Made in week 7 of 2012 Digital display Maximum image size: 48 cm x 27 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: 0.6367, 0.3486 Green: 0.3330, 0.6054 Blue: 0.1484, 0.0605 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@75Hz 4:3 HorFreq: 37500 Hz Clock: 31.500 MHz 800x600@60Hz 4:3 HorFreq: 37900 Hz Clock: 40.000 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@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: 1920x1080@60Hz 16:9 1680x1050@60Hz 16:10 HorFreq: 64700 Hz Clock: 119.000 MHz 1600x900@60Hz 16:9 1280x1024@60Hz 5:4 HorFreq: 64000 Hz Clock: 108.000 MHz 1280x720@60Hz 16:9 1280x800@60Hz 16:10 Detailed mode: Clock 148.500 MHz, 477 mm x 268 mm 1920 2008 2052 2200 hborder 0 1080 1084 1089 1125 vborder 0 +hsync +vsync VertFreq: 60 Hz, HorFreq: 67500 Hz Monitor ranges (invalid): 50-76Hz V, 30-83kHz H, max dotclock 210MHz Monitor name: BenQ GL2250 Serial number: ... Checksum: 0x79 (valid) EDID block does NOT conform to EDID 1.3! sRGB is signaled, but the chromaticities do not match EDID block does not conform at all! Detailed blocks filled with garbage Range descriptor contains garbage