Belkin SUN Adapter, SAMSUNG SyncMaster and ULTRA1 don't work.
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Trouble is it flashes. Maybe a second of image followed by a couple seconds of black. Over and over and over. I have not found an adjustment on the SAMSUNG that affects this behavior.
I discovered that if I unplug and reinsert the small round eleven pin connector into the ULTRA, the image on the screen stops flashing. It now is very blurry and shifted to the left, but it works. This is not a solution to the problem.
What do you think makes the SAMSUNG keep flashing on and off?
Have you verified that the resolution is supported by the monitor? What's the native resolution of the monitor? And where did you get that modeline? Are you sure it's correct?
Now, I don't know anything about a SUN machine, but is this verbatim, from the file?:
The modeline came from the WEB. It works. Prior to that modification I got no picture at all. Now I get a perfect image for a few seconds. Then blackness for a few.
More than you have suggested that my problem must be with the sync. Horizontal Sync is in khz. Vertical Refresh is in hz. Which one? What way to go? Any guesses? What exactly do these terms mean when referring to a plasma monitor?
How about looking through /var/log/xorg.0.log or the equivalent location for your machine, for clues? Maybe post the log for us? Wouldn't hurt to post the xorg.conf either.
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