Re: Correct modeline for Apple 23" LCD?

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On Tue, 6 Jan 2004, jaspal kallar  wrote:

> By chance I found the thread with title
> # Subject:  Apple Cinema Display 23" / Nvidia Quadro / Linux Debian Xfree 4.3
> # Date: Fri, 12 Dec 2003 12:14:12 -0800.
> 
> My current modeline for my Apple 23" LCD with Xfree  4.3 and the "nv" driver is :
> 
> Modeline "1920x1200" 155.0 1920 1984 2016 2144 1200 1203 1206 1212
> 
> However I see that Mark Vojkovich says in one of the threads that the modeline :
> 
> Modeline "1920x1200"  193.16  1920 2048 2256 2592  1200 1201 1204 1242
> 
> should work. I was wondering where he got (or calculated the modeline from?)

   That was calculated by "gtf" which comes with XFree86.  I think
both should work identically with the "nv" driver.  That driver
ignores alot of the modeline particulars in the case of DVI since
those timings aren't really for the monitor, but for the flat panel
scaler which is too particular about timings to be accepting random
ones specified on the modeline.

   Note, the "nv" driver requires that the system booted to any
flat panel that you wish to use.  If the console didn't come up on
it, the "nv" driver can't use it.  That's because it relies on the
bios to have handled some of the timing difficulties for it.

			Mark.

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