edid-decode "/sys/class/drm/card1-HDMI-A-2/edid": EDID (hex): 00ffffffffffff000472620468a64760 041a0103805021780eee91a3544c9926 0f505421080001010101010101010101 0101010101019d6770a0d0a022503020 3a001d4d3100001a000000ff0054334d 4545303039343230300a000000fd0018 3c1e8c1e010a202020202020000000fc 0041636572205833340a2020202001af 02031ac147901f041303120123090701 8301000065030c001000000000000000 00000000000000000000000000000000 00000000000000000000000000000000 00000000000000000000000000000000 00000000000000000000000000000000 00000000000000000000000000000000 000000000000000000000000000000c1 Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 03 basic params: 80 50 21 78 0e chroma info: ee 91 a3 54 4c 99 26 0f 50 54 established: 21 08 00 standard: 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 descriptor 1: 9d 67 70 a0 d0 a0 22 50 30 20 3a 00 1d 4d 31 00 00 1a descriptor 2: 00 00 00 ff 00 54 33 4d 45 45 30 30 39 34 32 30 30 0a descriptor 3: 00 00 00 fd 00 18 3c 1e 8c 1e 01 0a 20 20 20 20 20 20 descriptor 4: 00 00 00 fc 00 41 63 65 72 20 58 33 34 0a 20 20 20 20 extensions: 01 checksum: af EDID version: 1.3 Manufacturer: ACR Model 462 Serial Number ... Made in week 4 of 2016 Digital display Maximum image size: 80 cm x 33 cm Gamma: 2.20 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: 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: Detailed mode: Clock 265.250 MHz, 797 mm x 333 mm 3440 3488 3520 3600 hborder 0 1440 1443 1453 1474 vborder 0 +hsync -vsync VertFreq: 49 Hz, HorFreq: 73680 Hz Serial number: ... Monitor ranges (bare limits): 24-60Hz V, 30-140kHz H, max dotclock 300MHz Monitor name: Acer X34 Has 1 extension blocks Checksum: 0xaf (valid) CTA extension block Extension version: 3 22 bytes of CTA data Video data block VIC 16 1920x1080@60Hz 16:9 (native) HorFreq: 67500 Hz Clock: 148.500 MHz VIC 31 1920x1080@50Hz 16:9 HorFreq: 56250 Hz Clock: 148.500 MHz VIC 4 1280x720@60Hz 16:9 HorFreq: 45000 Hz Clock: 74.250 MHz VIC 19 1280x720@50Hz 16:9 HorFreq: 37500 Hz Clock: 74.250 MHz VIC 3 720x480@60Hz 16:9 HorFreq: 31469 Hz Clock: 27.000 MHz VIC 18 720x576@50Hz 16:9 HorFreq: 31250 Hz Clock: 27.000 MHz VIC 1 640x480@60Hz 4:3 HorFreq: 31469 Hz Clock: 25.175 MHz Audio data block Linear PCM, max channels 2 Supported sample rates (kHz): 48 44.1 32 Supported sample sizes (bits): 16 Speaker allocation data block Speaker map: FL/FR - Front Left/Right Vendor-specific data block, OUI 000c03 (HDMI) Source physical address 1.0.0.0 Underscans PC formats by default Basic audio support 1 native detailed modes Checksum: 0xc1 (valid) EDID block does not conform at all! Both the serial number ... Detailed blocks filled with garbage Range descriptor contains garbage