Re: Issuing ACPI call methods to disable NVIDIA Optimus card

[David Young <dyoung%pobox.com@localhost>]

On Wed, May 30, 2012 at 05:44:29PM +0200, Bartek Krawczyk wrote:
> Hello. I have an Asus U36JC laptop which has two graphic cards (NVIDIA
> Optimus technology): an Intel integrated card and GeForce 310M. To
> save power on Linux I use acpi_call module to disable nvidia card
> completely. This acpi_call module
> (https://github.com/mkottman/acpi_call) enables an interface to pass
> ACPI methods. Then when I issue
> 
> echo '\_SB.PCI0.PEG1.GFX0._OFF' > /proc/acpi/call
> 
> I'm disabling the nvidia card. Is something like that possible with
> NetBSD? I'd like to use it on my laptop, but unfortunately it gets too
> hot when both Intel and Nvidia card are powered on.

Does NetBSD attach a driver to both the Intel and the nVidia adapters?

Dave

-- 
David Young
dyoung%pobox.com@localhost    Urbana, IL    (217) 721-9981