edid-decode "/sys/class/drm/card0-eDP-1/edid": EDID (hex): 00ffffffffffff004a8bb04001000000 25160103812c1978ea64b5ab5238ab25 13505400000001010101010101010101 010101010101741d56c2500026301850 1300bbf91000001e0000001000000000 0000000000000000000000000010004c 617469747564652032300a2000000010 00384c1e53100a0a0a0a0a0a0a0a00db Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 03 basic params: 81 2c 19 78 ea chroma info: 64 b5 ab 52 38 ab 25 13 50 54 established: 00 00 00 standard: 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 descriptor 1: 74 1d 56 c2 50 00 26 30 18 50 13 00 bb f9 10 00 00 1e descriptor 2: 00 00 00 10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 descriptor 3: 00 00 00 10 00 4c 61 74 69 74 75 64 65 20 32 30 0a 20 descriptor 4: 00 00 00 10 00 38 4c 1e 53 10 0a 0a 0a 0a 0a 0a 0a 0a extensions: 00 checksum: db EDID version: 1.3 Manufacturer: RTK Model 40b0 Serial Number ... Made in week 37 of 2012 Digital display DFP 1.x compatible TMDS Maximum image size: 44 cm x 25 cm Gamma: 2.20 DPMS levels: Standby Suspend Off RGB color display First detailed timing is preferred timing Display x,y Chromaticity: Red: 0.6689, 0.3222 Green: 0.2197, 0.6679 Blue: 0.1464, 0.0771 White: 0.3134, 0.3291 Established timings supported: Standard timings supported: Detailed mode: Clock 75.400 MHz, 443 mm x 249 mm 1366 1390 1470 1560 hborder 0 768 769 772 806 vborder 0 +hsync +vsync VertFreq: 59 Hz, HorFreq: 48333 Hz Dummy block Dummy block Dummy block Checksum: 0xdb (valid) EDID block does NOT conform to EDID 1.3! Missing name descriptor Missing monitor ranges EDID block does not conform at all! Dummy block filled with garbage