From: rich@Rice.edu (& Murphey) Subject: Re: Xconfig modes for interlace monitor Date: Sat, 9 Jan 1993 05:20:11 GMT
>>>>> In article <1993Jan9.183934.4723@sun1.ruf.uni-freiburg.de>, hartnegg@sun1.ruf.uni-freiburg.de (Klaus Hartnegg) writes:
Klaus> bmyers@shyguy.lonestar.org (bob myers) writes:
>It looks like the video.tutorial document that's included with Linux's
>X distribution might give me some insight, but I believe that most of the
>discussion deals with a non-interlaced scenerio (I may be wrong on this).
Klaus> Look for other docs. There are more than just the video tutorial.
Klaus> One of the other ones is better. It's in a different directory,
Klaus> sorry I forgot in which one. There was rumor that there is even
Klaus> a spreadsheed somewhere to calculate the timing parameters.
Klaus> Unfortunately I didn't see this mentioned in the docs (that I read).
This isn't an answer to the original question but it bears mentioning:
Given your clock frequency and horizontal frequency of your monitor,
the program xclk (on agate.berkeley.edu in
/pub/386BSD/0.1-ports/XFree86) can calculate a ModeDB line for you.
Rich
Klaus> The difference between interlaced and non interlaced is:
Klaus> 1. with interlaced calculate with twice the horizontal frequency
Klaus> (picture frequency). Make sure that this is not too high for your monitor!
Klaus> 2. the last two of the eight timing parameters have to be ODD numbers.
Klaus> (just increase them by one if they are not).
Klaus> --
Klaus> ------------------------------------------------------------------------------
Klaus> Klaus Hartnegg, Kleist-Str. 7, D-7835 Teningen, Germany
Klaus> hartnegg@sun1.ruf.uni-freiburg.de or hakl@ibm.ruf.uni-freiburg.de
Klaus> Disclaimer: this text reflects MY opinion, not that of my employer!