Originally Posted By: tman
the extra nVidia GPU is completely useless as the OS won't be able to turn it on. You're forever stuck with the integrated GPU. As you may have guessed, nVidia only support Optimus on their Windows drivers and don't support it at all in any of their other OS drivers. nVidia only give you a massive binary blob as well for the Linux driver so its not particularly great.


The Open Source Nouveau driver is also unable to cope with this scheme.

Another issue is that the Nvidia GPU is usually still powered on, despite being unusable. Which really shortens battery life. There is a small trickle of code now appearing for some notebooks, to power off the dead GPU.

Cheers