On Sun, 8 Jun 2003, Stephan Kulka wrote:
> Hi all
>
> > > I have installed Xfree 4.1 and my graphics card is supported and also
> > > detected. I have got 1 MB videoram (yes, it's a very old card).
> > >
> > > The problem is that I would like to have 800x600 (as I had it before
> > > with 3.3.6) but there is an error message in the log file like:
> > >
> > > bad mode clock/interlace/doublescan
> > >
> > > and therefore 640x400 is used instead.
> > >
> > > What's the problem here??
>
> Attached is my XFree86.0.log file, there are the error messages in it.
>
You have errors due to your mouse being misconfigured. The
device should probably be /dev/mouse. But as to the 800x600
problem:
(II) TRIDENT(0): Clock range: 12.00 to 45.00 MHz
(II) TRIDENT(0): Not using default mode "800x600" (bad mode
clock/interlace/doublescan)
(II) TRIDENT(0): Not using default mode "800x600" (bad mode
clock/interlace/doublescan)
(II) TRIDENT(0): Not using default mode "800x600" (bad mode
clock/interlace/doublescan)
It's looks like none of your 800x600 modes fall within
the clock range. I'm not sure why that would happen because I
clearly see modes builtin to the server (at least in 4.3 servers)
that fall within that range. You most likely have bad modes
in the XF86Config file.
Here are some valid modes I generated with the "gtf" program
that comes with XFree86.
# 800x600 @ 60.00 Hz (GTF) hsync: 37.32 kHz; pclk: 38.22 MHz
Modeline "800x600_60.00" 38.22 800 832 912 1024 600 601 604 622 -HSync +Vsync
# 800x600 @ 69.00 Hz (GTF) hsync: 43.12 kHz; pclk: 44.85 MHz
Modeline "800x600_69.00" 44.85 800 840 920 1040 600 601 604 625 -HSync +Vsync
The 60 Hz mode is close to the one builtin to the server. The 69 Hz
one is about the highest refresh rate you can get and still keep
within the video card's clock limits. Though things may look fuzzy
up there and a 65 Hz mode like below might look better:
# 800x600 @ 65.00 Hz (GTF) hsync: 40.49 kHz; pclk: 42.11 MHz
Modeline "800x600_65.00" 42.11 800 840 920 1040 600 601 604 623 -HSync +Vsync
Mark.
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