sony-vaio-z-series team mailing list archive

[Justin Karneges <justin@xxxxxxxxxxx>]

On Thursday 10 February 2011 18:47:30 Justin Karneges wrote:
> With Adam's patch for the graphics switch, is it possible to use NVidia
> without static switching (i.e., no BIOS patch and no acpi_osi="") ?  It
> used to be that NVidia required static switching to work, but Intel did
> not.

Okay, if I don't specify acpi_osi (static switching), then the system ends up 
using the Intel card.  The position of the switch has no effect, I get Intel 
every time.

So, in short, on Z12:
  - no static switching: OK (using Intel)
  - static switching + speed mode: OK (using nVidia)
  - static switching + stamina mode: OK (using Intel)

I'm guessing nVidia probably works when not static switching then, you just 
have to go around kernel/X defaults.  So, I presume static switching should 
not be needed anymore (whether by BIOS hack or kernel param) to have a fully 
working system unless you just want nVidia the lazy way. :)

-Justin