[ltp] Using the external VGA on X40

[Alex Deucher]

On 5/1/05, Martin Samuelsson <linux-thinkpad@cos.user.lysator.liu.se> wrote=
:
> As is widely known there are bugs with the Intel graphics adapter and the
> X40. During my first months it annoyed me that the screen moved down
> after lid close, then information from this list made me put the
> following line in /etc/init.d/acpid
>=20
>         echo auto_disable > /proc/acpi/ibm/video
>=20
> Which made the problem go away for a couple of months until now when I
> want to use the external VGA to hold a presentation in a few weeks.
>=20
> Has anyone a clue on how to use an external display without messing up
> the screen? When feeding /proc/acpi/ibm/video with any appropriate
> string the screen jumps down a cm or two. I've tried starting the X
> server after switching to external, but as soon as X boots up it
> switches the display back to LCD.
>=20
> Do you think that I could put anything in the X servers configuration
> file to make it work?
>=20
> In case it matters I'm using Debian/Sarge and updates it daily. (Would
> anyone know if anything on this screen issue is at all reported to the
> BTS?)
> --

you might want to play with the monitorlayout and clone options in the
xorg i810 driver.

Alex