screen resolution (Solved)

NoOp glgxg at sbcglobal.net
Thu Apr 14 01:03:42 UTC 2011


On 04/13/2011 12:53 PM, chris wrote:
> On Wed, 2011-04-13 at 02:23 -0400, Ric Moore wrote:
>> On Wed, 2011-04-13 at 15:38 +1200, chris wrote: 
> <snip>
>> > So this method works for kvm switches as well.  Might be brute force but
>> > all is sweet.
>> > 
>> > -- 
>> > Cheers the kiwi
>> 
>> The Creator of the Universe just loves a persistent Kiwi. I'm glad you
>> sorted it out, there must be some fluke in what your monitor provided to
>> X for it's setup. Or, how X reads it. No matter, your fix might help
>> others! My complete regards, :) Ric
>> 
> There seems to be some issue with the ddc/edid information being read by
> X.  Not being a code jockey I can not put my finger on it.  I had no
> problems with various versions from 6.04 up to 9.10.  Bug?  I don't know
> Cheers


You might want to create an xorg.conf file with the proper frequencies
in the monitor section.

<http://www.google.com/search?sclient=psy&hl=en&complete=0&site=webhp&source=hp&q=ubuntu+%2BViewsonic+vx2235&btnG=Search>

<http://www.google.com/search?sclient=psy&hl=en&complete=0&site=webhp&source=hp&q=ubuntu+%2BViewsonic+vx2235+%2Bedid&btnG=Search>

Perhaps:
http://ubuntuforums.org/showthread.php?t=1121160

====
Section "Monitor"
	Identifier	"Configured Monitor"
	VendorName	"ViewSonic"
	ModelName	"VX2235wm"
	HorizSync	30-70
	VertRefresh	56-85
	Option		"dpms"
	ModeLine "1024x768 at 60" 65.00 1024 1048 1184 1344 768 771 777 806 -HSync
-VSync
	ModeLine "1680x1050 at 60" 147.14 1680 1784 1968 2256 1050 1051 1054 1087
+HSync +VSync
EndSection
====

will work (don't know - I don't have a VS).

http://www.viewsonic.com/products/archive/vx2235wm.htm
====
Optimum Resolution 	1680x1050
Contrast Ratio 	700:1 (typ)
Viewing Angles 	170° horizontal, 160° vertical @ contrast ratio > 10:1

...
VIDEO INPUT
		
Analog/Digital 	RGB analog (75 ohms, 0.7 Vp-p)/DVI-D (TMDS, 100 ohms)
Frequency 	Fh: 30~82kHz, Fv: 50~85Hz
===

So modify to:
Section "Monitor"
	Identifier	"Configured Monitor"
	VendorName	"ViewSonic"
	ModelName	"VX2235wm"
	HorizSync	30-82
	VertRefresh	50-85








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