[ltp] Can bot use Fn+F7 to switch LCD/CRT on Thinkpad X60s
gulfstream
linux-thinkpad@linux-thinkpad.org
Tue, 5 Dec 2006 22:51:18 +0800
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Could you illustrate me how to solve this problem. Thanks.
gulfstream
2006/12/5, Alex Deucher <alexdeucher@gmail.com>:
>
> On 12/5/06, gulfstream <gulfstream.wang@gmail.com> 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?
> >
>
> fn-F7 should work, however, depending ot the mask setting for the ibm
> hotkeys, they may be generating acpi events rather than actually
> running the bios video switch routines. It also may be a limitation
> of the bios. The bioses tend to be pretty picky about what modes they
> will try on both outputs, especially if you are running vesa fb or
> something similar. Also, the intel chips are not able to drive both
> LVDS and the DAC with the same crtc, so in order to do LVDS plus DAC,
> you need both crtcs, which may not be possible in text mode.
>
> Alex
>
> >
> > gulfstream
> >
> > 2006/12/5, Richard Neill < 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
>
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Could you illustrate me how to solve this problem. Thanks.<br><br>gulfstream<br><br><br><div><span class="gmail_quote">2006/12/5, Alex Deucher <<a href="mailto:alexdeucher@gmail.com">alexdeucher@gmail.com</a>>:</span>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">On 12/5/06, gulfstream <<a href="mailto:gulfstream.wang@gmail.com">gulfstream.wang@gmail.com
</a>> wrote:<br>> I want to switch lcd/crt in X window and tty, but xorg.conf is useful to<br>> xorg. How to do if I want to switch lcd/crt in tty?<br>><br><br>fn-F7 should work, however, depending ot the mask setting for the ibm
<br>hotkeys, they may be generating acpi events rather than actually<br>running the bios video switch routines. It also may be a limitation<br>of the bios. The bioses tend to be pretty picky about what modes they<br>will try on both outputs, especially if you are running vesa fb or
<br>something similar. Also, the intel chips are not able to drive both<br>LVDS and the DAC with the same crtc, so in order to do LVDS plus DAC,<br>you need both crtcs, which may not be possible in text mode.<br><br>Alex
<br><br>><br>> gulfstream<br>><br>> 2006/12/5, Richard Neill < <a href="mailto:rn214@hermes.cam.ac.uk">rn214@hermes.cam.ac.uk</a>>:<br>> > gulfstream wrote:<br>> > > I have use ibm_acpi module in my kernel(
2.6.18), and I can use Fn+F4 to<br>> > > suspend to RAM and Fn+F12 to suspend to disk. But the system do not<br>> > > respond to Fn+F7, so I can not switch the LCD and external CRT.<br>> > > Moreover, when I run "echo video_switch > /proc/acpi/ibm/video" in the
<br>> > > terminal, no any respond. How to solve this matter?<br>> > ><br>> > > My laptop is Thinkpad X60s with Intel 945GM graphics chipsets. The<br>> > > system is Debian etch with tpb installed.
<br>> > ><br>> ><br>> ><br>> > At least on some machines, it's necessary to enable a flag in xorg.conf,<br>> > iirc: EnableBiosHotKeys. Read man `your-Xorg-driver`.<br>> ><br>> > HTH,
<br>> ><br>> > Richard<br>> > --<br>> > The linux-thinkpad mailing list home page is at:<br>> ><br>> <a href="http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad">http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad
</a><br>> ><br>><br>><br>--<br>The linux-thinkpad mailing list home page is at:<br><a href="http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad">http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad
</a><br></blockquote></div><br>
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