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Old 04-08-10, 10:43 PM   #23
Xevious
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Join Date: Aug 2002
Posts: 291
Default Re: Quadview possibe? (Quadro NVS 420)

Quote:
Originally Posted by JaXXoN View Post
BTW.: it seems like that the VP2290b is reporting an EDID, but only on channel 1.
This is why the TH2Gs get confused and you needed those DVI detectives.
(maybe you can take that one for channel 1 out, but that's not going to be a big
win, then).
Actually the VP2290b reports EDID information on both ports (that is not correct) and that is not why I needed the DVI detectives. I purely needed the DVI detectives because of the voltage issue that some video cards also have which cause them not able to read EDID on the monitor (geforce 7x00 and earlier 8x00). Interesting enough the DVI detective seemed to not need dvi-detectives in the past when someone else tested it (maybe an earlier revision had slightly different hardware causing it to not need them.


Quote:
Originally Posted by JaXXoN View Post
You may like to experiment with a modeline that has a 40.9 Hz / 48 Hz
refresh frequency in order to come close to the internal standard / extended
refresh rates. Maybe that has an influence on the tearing that you have
recognized.

Code:
ModeLine "3840x1200_48.0" 246.60 3840 3904 3968 4160 1200 1203 1213 1235 +HSync +VSync
ModeLine "3840x1200_40.9" 212.13 3840 3904 3968 4160 1200 1203 1213 1235 +HSync +VSync
regards

Bernhard
Ah, thanks for that. I will give those a try. Running at the actual refresh rate could possibly help with the horizontal tear line I am seeing (its only slight).
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