[TriLUG] Macbook Curious

John Brier johnbrier at gmail.com
Tue May 17 18:09:15 EDT 2011


On Mon, May 16, 2011 at 5:14 PM, Joseph S. Tate <dragonstrider at gmail.com> wrote:
> My problem with Selectable graphics is that the Display Port (DVI port on
> the docking station) is not wired to the Intel video on the motherboard, so
> to get a digital video feed to an external monitor, I have to be booted with
> the BIOS set to the ATI video.  But when on the go, the ATI chipset runs the
> battery down at about double the rate when booted with the BIOS set to the
> Intel video.  So I do a lot of rebooting.  Add insult to injury by the ATI
> chipset exercising a kernel bug that makes it unable to go to sleep
> reliably, and I'm tearing my hair out if I forget to reboot before I undock.
>
> Since I never need the video "performance", I'll just skip Switchable
> Graphics next time.

yup I have the same kinda problem but my system is too old for display
port but it does have HDMI
and just like you for that I have to reboot and switch to nvidia :-(
but the VGA definitely works with Intel.
I can't remember if the S-Video works with the Intel or not.



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