[ltp] Can bot use Fn+F7 to switch LCD/CRT on Thinkpad X60s

[Alex Deucher]

On 12/5/06, gulfstream <gulfstream.wang@gmail.com> wrote:
> Oh, how to solve this problem with intel graphics card?

It may not be possible.  Are you able to use fn-f7 to switch outputs
when just the bios or grub is up?  If not, I suspect your bios doesn't
support output switching.

Alex

>
> 2006/12/5, Alex Deucher <alexdeucher@gmail.com>:
> > On 12/5/06, Richard Neill <rn214@hermes.cam.ac.uk> wrote:
> > >
> > >
> > > gulfstream wrote:
> > > > I want to switch lcd/crt in X window and tty, but xorg.conf is useful
> to
> > > > xorg. How to do if I want to switch lcd/crt in tty?
> > >
> > > You still need something like:
> > >
> > > Section "Device"
> > >     ...
> > >     Option "BiosHotKeys" "on"      #Enable Fn-F7 for switching between
> > > CRT,LCD,Both.
> > > EndSection
> > >
> >
> >
> > This option only applies to the radeon driver.
> >
> > Alex
> >
> >
> > >
> > > Some of the video drivers don't pay attention to Fn-F7 by default.
> > > Besides which, even if you are currently looking at a tty, you are still
> > > using the xorg video driver [unless you use the vesa or framebuffer
> driver].
> > >
> > > Root cause of problem: xorg isn't just a GUI, it also overlaps with the
> > > kernel, and contains hardware drivers. Notably, the video drivers are
> > > (mainly) in X, not the kernel.
> > >
> > >
> > > Richard
> > >
> > >
> > > >
> > > >
> > > > gulfstream
> > > >
> > > > 2006/12/5, Richard Neill < rn214@hermes.cam.ac.uk
> > > > <mailto:rn214@hermes.cam.ac.uk>>:
> > > >
> > > >       gulfstream wrote:
> > > >      > I have use ibm_acpi module in my kernel( 2.6.18), and I can use
> > > >     Fn+F4 to
> > > >      > suspend to RAM and Fn+F12 to suspend to disk. But the system do
> not
> > > >      > respond to Fn+F7, so I can not switch the LCD and external CRT.
> > > >      > Moreover, when I run "echo video_switch > /proc/acpi/ibm/video"
> > > >     in the
> > > >      > terminal, no any respond. How to solve this matter?
> > > >      >
> > > >      > My laptop is Thinkpad X60s with Intel 945GM graphics chipsets.
> The
> > > >      > system is Debian etch with tpb installed.
> > > >      >
> > > >
> > > >
> > > >     At least on some machines, it's necessary to enable a flag in
> xorg.conf,
> > > >     iirc: EnableBiosHotKeys.  Read  man `your-Xorg-driver`.
> > > >
> > > >     HTH,
> > > >
> > > >     Richard
> > > >     --
> > > >     The linux-thinkpad mailing list home page is at:
> > > >
> http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad
> > > >
> > > >
> > > --
> > > The linux-thinkpad mailing list home page is at:
> > >
> http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad
> > >
> > --
> > The linux-thinkpad mailing list home page is at:
> >
> http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad
> >
>
>