On Sat, 14 Jul 2001 [EMAIL PROTECTED] wrote:
> Matthew Saltzman wrote:
> >
> > I have a Dell Latitude (ATI Rage Mobility 1 video adapter). I would like
> > to be able to have the display show up simultaneously on the laptop
> > display and on an external monitor. The feature works with Win2k, but I
> > can't seem to get it working with XFree86-4.0.3-5. When I press the
> > CRT/LCD function key, I can get either one or the other, but not both.
> > Is there something I can set in my XF86Config-4 to enable both? Also, can
> > I set the mode lines for the external monitor somehow? That 60Hz refresh
> > rate is driving me mad.
>
> I was looking into doing the same thing, only with 6.2. I found this,
> which applies to XFree86 4.x.x:
> *********************************************************************
> 3.3. Using an external monitor
> Make sure you have the line:
> Option "UseBIOSDisplay"
> Under your device section for your video card (this may be just an
> ATI option, and not a G2Go option), and it should work without
> problems using the Fn-F8 key combination.
>
> Alternatively, the XFree documentation lists the following options:
> Option "Display" "string"
> where string is one of the following:
> "FP" - use flat panel
> "CRT" - use external monitor
> "Mirror" - use both FP & CRT
> "BIOS" - use mode as configured in the bios (i.e.: follow
> the Fn-F8)
> *********************************************************************
> Looks like the "Mirror" option is what you want. I don't have my laptop
> on 7.1, so I can't try this out.
Thanks. All good-sounding suggestions, except that they don't have the
desired effect.
The XFree86 log reports 'Option "Display" not used'.
Moreover, enabling 'Option "crt_screen"' has no effect either.
Finally, the problem occurs even in virtual consoles.
In all cases, Fn-F8 switches between the flat panel and the external
monitor, but there is no mode where the display appears on both devices.
This is annoying when you want to use the laptop with a projector, but you
can't see the flat panel when the projected display is on the wall behind
you, and you can't project if you have the flat panel on.
In Win2k, the display manager has a software setting that drives both
displays simultaneously. This is the mode I'm after.
Matthew Saltzman
Clemson University Math Sciences
[EMAIL PROTECTED]
http://www.math.clemson.edu/~mjs
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