edid-decode "/sys/class/drm/card0-DVI-I-1/edid": EDID (hex): 00ffffffffffff0022f01a2600000000 2a0e010380321f78eacfb5a355499925 105054a56f806159814081808199a940 d10001010101283c80a070b023403020 3600ef361100001a000000fd0030551e 5e11000a202020202020000000fc0068 702066323330340a20202020000000ff 00434e503434325a304d4a0a202000de Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 03 basic params: 80 32 1f 78 ea chroma info: cf b5 a3 55 49 99 25 10 50 54 established: a5 6f 80 standard: 61 59 81 40 81 80 81 99 a9 40 d1 00 01 01 01 01 descriptor 1: 28 3c 80 a0 70 b0 23 40 30 20 36 00 ef 36 11 00 00 1a descriptor 2: 00 00 00 fd 00 30 55 1e 5e 11 00 0a 20 20 20 20 20 20 descriptor 3: 00 00 00 fc 00 68 70 20 66 32 33 30 34 0a 20 20 20 20 descriptor 4: 00 00 00 ff 00 43 4e 50 34 34 32 5a 30 4d 4a 0a 20 20 extensions: 00 checksum: de EDID version: 1.3 Manufacturer: HWP Model 261a Serial Number ... Digital display Maximum image size: 50 cm x 31 cm Gamma: 2.20 DPMS levels: Standby Suspend Off RGB color display First detailed timing is preferred timing Display x,y Chromaticity: Red: 0.6396, 0.3320 Green: 0.2880, 0.6005 Blue: 0.1464, 0.0654 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 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@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: 1024x768@85Hz 4:3 HorFreq: 68700 Hz Clock: 94.500 MHz 1280x960@60Hz 4:3 HorFreq: 60000 Hz Clock: 108.000 MHz 1280x1024@60Hz 5:4 HorFreq: 64000 Hz Clock: 108.000 MHz 1280x1024@85Hz 5:4 HorFreq: 91100 Hz Clock: 157.500 MHz 1600x1200@60Hz 4:3 HorFreq: 75000 Hz Clock: 162.000 MHz 1920x1200@60Hz 16:10 HorFreq: 74000 Hz Clock: 154.000 MHz Detailed mode: Clock 154.000 MHz, 495 mm x 310 mm 1920 1968 2000 2080 hborder 0 1200 1203 1209 1235 vborder 0 +hsync -vsync VertFreq: 59 Hz, HorFreq: 74038 Hz Monitor ranges (GTF): 48-85Hz V, 30-94kHz H, max dotclock 170MHz Monitor name: hp f2304 Serial number: ... Checksum: 0xde (valid) EDID block does not conform at all! Bad year of manufacture