edid-decode "/sys/class/drm/card0-DVI-I-1/edid": EDID (hex): 00ffffffffffff0022f0052901010101 0b15010380301b782e3585a656489a24 125054a1080081c0814081809500a940 b300d1c00101023a801871382d40582c 4500dd0c1100001e000000fd00324c18 5e11000a202020202020000000fc0048 502053323233310a20202020000000ff 003343513131314e3252540a20200092 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: 35 85 a6 56 48 9a 24 12 50 54 established: a1 08 00 standard: 81 c0 81 40 81 80 95 00 a9 40 b3 00 d1 c0 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 18 5e 11 00 0a 20 20 20 20 20 20 descriptor 3: 00 00 00 fc 00 48 50 20 53 32 32 33 31 0a 20 20 20 20 descriptor 4: 00 00 00 ff 00 33 43 51 31 31 31 4e 32 52 54 0a 20 20 extensions: 00 checksum: 92 EDID version: 1.3 Manufacturer: HWP Model 2905 Serial Number ... Made in week 11 of 2011 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: 0.6484, 0.3388 Green: 0.2822, 0.6025 Blue: 0.1425, 0.0703 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 800x600@60Hz 4:3 HorFreq: 37900 Hz Clock: 40.000 MHz 1024x768@60Hz 4:3 HorFreq: 48400 Hz Clock: 65.000 MHz Standard timings supported: 1280x720@60Hz 16:9 1280x960@60Hz 4:3 HorFreq: 60000 Hz Clock: 108.000 MHz 1280x1024@60Hz 5:4 HorFreq: 64000 Hz Clock: 108.000 MHz 1440x900@60Hz 16:10 HorFreq: 55500 Hz Clock: 88.750 MHz 1600x1200@60Hz 4:3 HorFreq: 75000 Hz Clock: 162.000 MHz 1680x1050@60Hz 16:10 HorFreq: 64700 Hz Clock: 119.000 MHz 1920x1080@60Hz 16:9 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 (GTF): 50-76Hz V, 24-94kHz H, max dotclock 170MHz Monitor name: HP S2231 Serial number: ... Checksum: 0x92 (valid) EDID block does NOT conform to EDID 1.3! sRGB is signaled, but the chromaticities do not match