Dell Latitiude C800 - problems using dock video

[Sam]

Thanks!  That option worked like a charm.  

I saw that option in the r128(4) man page, but I got scared when I read it
might kill my FP.  So this begs the question; how might turning off the FB
registers cause damage to my LCD (which I *think* is off when docked?)

And is this correct behavior for r128 or a bug?  Shouldn't setting "Display
CRT" turn off the FB registers automatically?  

Thanks again,
-Sam


--- Alex Deucher <alexdeucher at gmail.com> wrote:

> On 4/10/07, Sam <ss99hi at yahoo.com> wrote:
> > Hi,
> >
> > I have been struggling to get an external monitor to work with a Latitude
> C800
> > laptop.  The LCD screen works fine with X when the system is undocked. 
> When
> > the system is docked, the LCD is off (obviously) and the monitor is plugged
> > into the back of the docking station.  This is when I can't get X to work.
> >
> > The video card is an ATI Rage 128 Mobility M4.  I let X do the
> configuration
> > and then tweaked it a little (eg. "Display" "CRT").  I've included my
> config
> > and log file.
> >
> > And the odd part is I'm able to use the external monitor fine when I boot
> up
> > Suse 10.1 running X 6.9 and Suse 9.2 (6.8).
> >
> > The external monitor is a Sun 21" CRT.
> >
> 
> Try:
> Option "ProgramFPRegs" "FALSE"
> in the device section of your config.  If you still have problems file
> a bug (https://bugs.freedesktop.org).
> 
> Alex
> 



       
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