[ltp] Re: Newbie video questions

Alex Deucher linux-thinkpad@linux-thinkpad.org
Wed, 30 Aug 2006 09:41:18 -0400


On 8/30/06, Hans Bostrom <bostromed@yahoo.se> wrote:
> Update on my previous questions:
>
>
> > >  you don't have enough VRAM to do depth
> > > 24 at 1400x1050 (requires ~17 MB, you only have 16 MB).  reduce your
> > > color depth to 16 and it should work.
>
> Thanks Alex, that was it! (Modest) hardware 3D now works - glxgears around 900-1200 FPS
>
> > >
> > > Option "Display" "BIOS"
> > >
> > > into your /etc/X11/xorg.conf 's Device section, restart X.  This has
> > > been used for r128 cards for a long time.
>
> I tried this, but it only activates the external VGA (which of course is
> good), but I can't toggle screens with Fn+F7. So even though I
> appreciate your suggestion, it doesn't really solve my problem.

it's probably related to ibm_acpi.  Does fn-f7 work when you are on the console?

>
> > Or you can try
> >
> >    sudo echo 0xffff > /proc/acpi/ibm/hotkey
> >
> > This enables the key in the hotkey mask.  Worked for me.
>
> I can't try this option, I don't even have the directory /acpi/ with
> subdirectories installed. What am I missing here?

is ibm_acpi loaded or built into your kernel?  Also what's the date on
your bios?  IIRC, most kernels disable apci support if the date is
prior to 2000.

Alex

>
> Thanks,
> Hans
>
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