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[Bug 806556] Re: HDMI out is limited to 640x480

 

Additional Hardware information:

My Monitor: AOC zifas 2218ph

Plug & Play DDC2B Feature

This monitor is equipped with VESA DDC2B capabilities according to the VESA DDC STANDARD. It allows the monitor to inform the
host system of its identity and, depending on the level of DDC used, communicate additional information about its display capabilities.
The DDC2B is a bi-directional data channel based on the I2C protocol. The host can request EDID information over the DDC2B
channel.

Ppossible resolutions:

VGA     640x480 @60Hz
VGA     640x480 @72Hz
VGA     640x480 @75Hz
Dos-mode 720x400 @70Hz
Dos-mode 640x400 @71Hz
SVGA    800x600 @56Hz
SVGA    800x600 @60Hz
SVGA    848x480 @60Hz
SVGA    800x600 @72Hz
SVGA    800x600 @75Hz
XGA    1024x768 @60Hz
XGA    1024x768 @70Hz
XGA    1024x768 @75Hz
XGA    1024x768 @75Hz
XGA    1280x768 @60Hz
XGA    1280x768 @75Hz
SXGA   1280x1024 @60Hz
SXGA   1280x1024 @70Hz
SXGA   1360x768@60Hz
WSXGA  1680x1050 @60Hz
WSXGA+ 1680x1050@60Hz

-- 
You received this bug notification because you are a member of AC100
Team, which is subscribed to AC100_enablement.
https://bugs.launchpad.net/bugs/806556

Title:
  HDMI out is limited to 640x480

Status in Enablement project for the Toshiba AC100 NetBook:
  New

Bug description:
  I can activate HDMI output on a running ac100 or boot with HDMI cable
  plugged. Howewer the resolution of my external 1680x1050 (16:10)
  screen would always be limited to 640x480 (4:3). I cannot change this
  value.

  Screen detection would not be possible. The external screen remains
  <unknown>

  Attached file is a Xorg.0.log with external screen plugged on boot.

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References