On Wed, 29 Sep 1999, Achim Bohnet wrote:
> I've seen the same problem on a laptop of a friend. The problem there
> is AFAI understood it that the Xserver detects that the LCD is
> 1600x600 (as listed in Xserver output) instead of 800x600. That's IMHO
> the reason why the left half of the screen was not visible and the right
> half was black. I've played with the modes without success.
>
> I've found no way to override in XF86Config the size of the TFT that the
> Xserver autodetects. It is a Chips&Tech. chip and the SVGA server
> listed this chip as supported in the output. The README for C&T did
> not help.
>
> Any idea how to fix it, e.g., how to override the autodetected TFT size?
Yes - in a word...DON'T. Especially if you can't ;-)
Let me get this straight. A double picture vertically. Set up
XF86Config with an 800x600 modeline only, and then get into it with vi.
Here's my 800 by 600 modeline
Modeline "800x600" 40.35 800 816 928 1040 600 600 606 626
Try this one. If you still have the double effect, you may have to lie
to it. It is detecting 1600 dots wide, and apparently writing the line
without error, so I would next try doubling the 800, 816, 928, and 1040.
That should do it. It might bellyache about the dac not being fast
enough or something like this. let us know.
> > Horizontal frequency would be 768 x 60 = 46080 Hz
> > Frame or refresh would, surprisingly be 60 Hz ;-)
> > The dot clock would be ABOUT {1024 x 768 x 1.25 (The black gaps -
> > remember?)} x 60 = 58,982,400
> >
> > Don't EVER specify these things exactly, as if you do and X disagrees
> > with your calculations by a fraction it will not accept the line.
> > The Horizontal, & vertical monitor frequencies, and the dot clock or
> > DAC can all be given in ranges. What should in fact happen is that you
> > get a bit of black line at each edge that's never seen. You need the
> > video timings HOWTO. Use XF86Setup in RedHat, and have a go.
> >
> >
> >
> > --
> > Regards,
> >
> > Declan Moriarty.
>
>
>
> --
> To me vi is Zen. To use vi is to practice zen. Every command is
> a koan. Profound to the user, unintelligible to the uninitiated.
> You discover truth everytime you use it.
> -- [EMAIL PROTECTED]
--
Regards,
Declan Moriarty.
