Re: system-config-display wrongly sets up Viewsonic VG730m monitor

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Anne Wilson wrote:
On Thursday 21 February 2008 09:56, Anne Wilson wrote:
On Tuesday 19 February 2008 13:02, Johnny Hughes wrote:

<snip>

Maybe you are right about the driver not handling the dvi port correctly. I really didn't want to go down the route of the proprietary drivers, so
maybe I will have to go back to the analogue cable.

I will try your version this morning and let you know whether it helps. This is the last ditch. If it doesn't help, I'll change the cable back and
re-run system-config-display.

Comparing your scripts with what I'd actually put into xorg.conf, there were some extra modelins from knoppix, but the only real difference was that I'd put the dri section in. I thought it unlikely that this affect it, but I've taken it out anyway. It still is blinking.

If knoppix works perfectly and does not ever blink, then I would say it is a problem with the nv Xorg driver in centos-5. If knoppix also sometimes messes up .. still might be a nv driver issue that is common to both OSes.

The proprietary nvidia driver might fix that, it also adds much better 3D performance if you are using that.

The modeline stuff with the CentOS-5 nv driver might also make it work correctly, if we were able to exactly define the 14 modes that I saw the monitor supported from your initial sheet. I have to admit that I am not an expert on constructing these modeline settings, but google probably can explain exactly how to construct them. Found this:

http://xtiming.sourceforge.net

But if the analog cable works OK, that might be the easiest option.


One last thought. I did install a wireless mouse and keyboard at the same time as the dvi cable. I have a feeling that the blinking tends to happen when I move the cursor with the mouse. Is it possible that there is interference from the mouse?

I have never heard of this happening before, but it would be theoretically possible, though not probable IMHO. If you hook up a normal mouse and it goes away ... maybe so, that should be a fairly easy test.

Thanks,
Johnny Hughes

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