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Re: Re: 1920x1200 modeline for Dell 2405FPW

I was successful in getting 1920x1200 to work w/ DVI for the Dell 2405FPW w/ the NVIDIA GeForce FX 5600 vid card on Linux CentOS4 using this modeline in the /etc/X11/xorg.conf file:

Modeline "1920x1200" 87.66 1920 1952 2280 2312 1200 1227 1233 1261 interlace

This was after trying many other modelines. The problem, as revealed by looking at the /var/log/Xorg.0.log file, was that the vid card doesnt support a clock frequency above 140MHz, so the usual modelines would fail. Notice in the above modeline that the interlace option is used. The display doesn't actually interlace (no flicker).

Also, to force usage of the DVI port, in the xorg.conf file, include this in the Section "Device" section:

Option "ConnectedMonitor" "DFP-0"

Another factoid: I am running the display through the AddLogic DVI KVM, where the other machine is an Apple Mac G5 (w/ a Radeon 9600 XT vid card, also set at 1920x1200 via DVI).

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