Linux - getting 320x200 to work with XFree86 \ VOGONS

Linux - getting 320x200 to work with XFree86

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First post, by Xirzon

Posted on 2004-09-04, 03:15

Xirzon Offline

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Posts: 1
Joined: 2004-09-04, 03:10

The only way I can get Dosbox to usable speed on my PIII 800 is to disable the scaler. However, presently my XFree86 supports 640x480 as the lowest resolution. This means that when I turn off the scaler, my dosbox fullscreen view for VGA games is quite small.

My guess is that I need to make XFree86 work in 320x200 somehow. I've played with xtiming.sourceforge.net , but have not been able to come up with a ModeLine that works with my graphics card (Matrox G550) and screen (standard 98 kHz CRT). Any tips, tricks to get it working?

Reply 1 of 3, by prompt

Posted on 2004-09-04, 05:34

prompt Offline

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I never had use a modeline, xfree 4.3 seems to calculate the correct one by itself, if you provide the the data for your monitor. I just added the 320x200 after the other resolutions, but maybe the driver must support this as well. The relevant parts of my xf86config:

1Section "Monitor"
2    Identifier  "My Monitor"
3    HorizSync   31.5 - 50.0
4    VertRefresh 40-90
5    Option "DPMS" "true"
6EndSection
7
8Section "Screen"
9    Identifier  "Screen 1"
10    Device      "NVidia Geforce4 Ti4200"
11    Monitor     "My Monitor"
12    DefaultDepth 16
13    Subsection "Display"
14        Depth       8
15        Modes "1024x768" "800x600" "640x480" "640x400" "320x240" "320x200"
16    EndSubsection
17    Subsection "Display"
18        Depth       16
19        Modes "1024x768" "800x600" "640x480" "640x400" "320x240" "320x200"
20    EndSubsection
21    Subsection "Display"
22        Depth       24
23        Modes "1024x768" "800x600" "640x480" "640x400" "320x240" "320x200"
24    EndSubsection
25EndSection

Reply 2 of 3, by dougdahl

Posted on 2004-09-04, 06:21

dougdahl Offline

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Posts: 188
Joined: 2003-11-02, 06:07

You might also want to check if you have the command-either xf86config or xf86configurator available on your distribution(not quite sure about the capitalization for the xf or the C). Most distributions made in past few years don't have it but it let you setup the XF86Config manually. You had to know a fair amount of hardware details to use it though. If the Matrox uses a closed driver it probably wouldn't work.
By the way what does the /var/log/XFree86.0.log say when you try to use that resolution? Does the X server simply crash or does it start but screwed up? I really don't know much about monitor settings so I don't know how much I can help, but I'd like to try.