EDID Override Thread - Page 107 - AVS Forum
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post #3181 of 3183 Old 07-22-2014, 06:36 PM
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Here is my moninfo readout

Code:
Monitor
  Windows description...... Generic PnP Monitor 
  Manufacturer............. SDC
  Plug and Play ID......... SDC4852
  Data string.............. LTN156FL02L01
  Serial number............ n/a
  Manufacture date......... 2013, ISO week 0
  Filter driver............ None
  -------------------------
  EDID revision............ 1.3
  Input signal type........ Digital (DisplayPort)
  Color bit depth.......... Undefined
  Display type............. RGB color
  Screen size.............. 340 x 190 mm (15.3 in)
  Power management......... Standby, Suspend, Active off/sleep
  Extension blocs.......... None
  -------------------------
  DDC/CI................... n/a

Color characteristics
  Default color space...... Non-sRGB
  Display gamma............ 2.20
  Red chromaticity......... Rx 0.620 - Ry 0.355
  Green chromaticity....... Gx 0.300 - Gy 0.580
  Blue chromaticity........ Bx 0.150 - By 0.090
  White point (default).... Wx 0.313 - Wy 0.329
  Additional descriptors... None

Timing characteristics
  Range limits............. Not available
  GTF standard............. Not supported
  Additional descriptors... None
  Preferred timing......... Yes
  Native/preferred timing.. 3840x2160p at 48Hz 
    Modeline............... "3840x2160" 415.850 3840 3888 3920 3956 2160 2162 2168 2190 -hsync -vsync

Standard timings supported

Report information
  Date generated........... 7/22/2014
  Software revision........ 2.60.0.972
  Data source.............. Registry-Active - NB: improperly installed
  Operating system......... 6.2.9200.2

Raw data
  00,FF,FF,FF,FF,FF,FF,00,4C,83,52,48,00,00,00,00,00,17,01,03,95,22,13,78,EA,CE,85,9E,5B,4C,94,26,
  17,50,54,00,00,00,01,01,01,01,01,01,01,01,01,01,01,01,01,01,01,01,71,A2,00,74,F0,70,1E,80,30,20,
  26,00,58,C2,10,00,00,18,00,00,00,0F,00,00,00,00,00,00,00,00,00,37,82,05,46,00,00,00,00,FE,00,53,
  41,4D,53,55,4E,47,0A,20,4C,83,46,4C,00,00,00,FE,00,4C,54,4E,31,35,36,46,4C,30,32,4C,30,31,00,19
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post #3182 of 3183 Old 08-12-2014, 06:20 PM
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Hello.
Is there any way to read whether the GPU is outputting 4:4:4 or 4:2:0 to the screen? There have been a few changes in the latest Nvidia drivers that point out to the Maxwell 750ti card being (possibly) able to output HDMI2.0, but we're not sure how to test that precisely, since there doesn't appear to be a technical info screen on the AX800 to show the input, and we can't find a way to read exactly what is the GPU outputting.
I tried using MonInfo, but it only says Non-sRGB.

Ipsa scientia potestas est
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post #3183 of 3183 Old 08-12-2014, 08:02 PM
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That depends on whether a monitor or a TV is detected by the graphic driver. There are ways to fool the driver into detecting a monitor even over a HDMI connection by editing the EDID (removing the extension block used to work with Nvidia, and years ago a EDID specific hack worked with AMD). Even using a DVI-HDMI cable has worked some times (surely with AMD).

IIRC the AMD driver explicitly shows in Catalyst when a DVI connection has been detected. Not sure about Nvidia or Intel.

Anyway, AFAIK the detection is in the graphic driver, not the EDID itself.


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