Software Support > GroovyMAME
None-interlaced modelines for Xorg(Linux)
Lomaxx:
I'm searching for all possible composite modes (Modelines) for use with a PAL-CRT-TV over a vga-scart-cable that I can use in Xorg.
Interlaced modes are out of interest to me because I can't stand that flickering.
By using "lrmc", so far I found working resolutions for my old nvidia-card from "408x288x50.08" up to somewhere at "1296x288x50.08" (stopped searching there as it doesn't make much sense) with increasing steps of 8 for the horizontal resolution (408,416,424,432,....).
EDIT: Note that i used a wrong term in the first few posts from here on: When ever I wrote of "composite modes", I actually ment "progressive modes". Sorry for the confusion, but I don't know much about the different video-modes.
But I wonder if there are composite modes possible with a different height than 288 lines/pixels for use with a PAL-CRT-TV?
Calamity:
Hi Lomaxx, just one question first, by "composite modes" you mean composite sync?
Lomaxx:
Rehi, Calamity.
I probably do mean "composite sync", yes. ;)
I mean those Modelines that do not have the "interlaced" option set at the end. The once I use look like this one:
--- Code: --- Modeline "408x288x50.08" 7.875000 408 424 464 504 288 293 296 312 -HSync -VSync
--- End code ---
So far I only know of these two types - with and without "interlaced" - of which i prefer the ones without. But pretty much any mode without flickering is welcome. =)
Ansa89:
Try this (got from "umc"):
--- Code: --- # 640x480x31.60 @ 15.610kHz
Modeline "640x480x31.60" 12.488320 640 656 720 800 480 484 488 494 -HSync +VSync
--- End code ---
The only thing the monitor (probably) won't like is 31.60Hz as horizontal refresh rate.
Lomaxx:
Hello Ansa89.
I tried your line. That's not excepted at all, although i checked several times that I added it correctly to the two related sections in xorg.conf.
from the Xorg.0.log-file: "[ 22615.326] (WW) NVIDIA(1): No valid modes for "640x480x31.06"; removing."
Because of this it doesn't appear at all in the xrandr-selection-list.
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