[Bug 305909] Re: [i830] Gradient banding on Dell Latitude C400

[Bryce Harrington]

** Description changed:

  Binary package hint: xserver-xorg-video-intel
  
  My Dell Latitude C400 uses an Intel i830M chipset. The display is
  configured at 1024x768, 60 Hz, 24-bit -- however, when I look at any
  kind of gradient, I see "banding" instead of a smooth transition between
  colors. I think this is because this graphics card does not support true
  24-bit color, but 18-bit with dithering -- but I don't think the driver
  is enabling dithering for my chipset, and there is no way to force it in
  xorg.conf (unlike the driver for some other chips).
  
  xserver-xorg-video-intel:
    Installed: 2:2.4.1-1ubuntu10
+ 
+ [lspci]
+ 00:00.0 Host bridge [0600]: Intel Corporation 82830 830 Chipset Host Bridge [8086:3575] (rev 04)
+ 00:02.0 VGA compatible controller [0300]: Intel Corporation 82830 CGC [Chipset Graphics Controller] [8086:3577] (rev 04)
+     	Subsystem: Dell Device [1028:00c8]

-- 
[i830] Gradient banding on Dell Latitude C400
https://bugs.launchpad.net/bugs/305909
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