[ltp] Dual monitor setup on T42p, anyone?

Yury Prilutsky linux-thinkpad@linux-thinkpad.org
Mon, 27 Sep 2004 13:25:52 -0700


On Monday 27 September 2004 06:31 am, Alex Deucher wrote:
> On Sun, 26 Sep 2004 23:21:36 -0700, Yury Prilutsky <tp40@blin.com> wrote:
> > Hello,
> >
> > has anybody successfully configured T42p for a dual-head setup? I've had
> > it running (with Xinerama) nicely on a T40p but can't get anywhere with a
> > new T42p.  The best I can get is a copy image on the external monitor
> > (Xorg still says the second monitor is missing). Fn-F7 works as expected
> > in the console mode (pre-X). If I startx while the console is only shown
> > on the laptop screen the (X) image on the external monitor is blurry. If
> > I have the console on both screens when starting X, the image on both
> > screens is OK.
> >
...
>
> it looks like your outputs are either wired in reverse or they are
> coming up swapped.  

Thanks Alex, but I am not sure I understand this. 
Are you suggesting the problem is with the unit/model/BIOS or the driver/X 
mis-interpreting the data?

> You might try changing the output type in the bios 
> from dvi to vga if you have the option, or try switching the
> monitorlayout option to "crt, lvds" assuming it didn't work with
> "lvds, crt".  

I tried "crt. lvds". That gives me just the picture on the external display.

Yury