sony-vaio-z-series team mailing list archive

[Joël Bourquard <joel.bourquard@xxxxxxxxx>]

The problem with the SPEED mode (NVidia) is that the brightness stays at
max, and in most circumstances it's too bright. That's pretty much the only
reason why I use the Intel card right now.

Best regards,

Joël



On Wed, Jun 22, 2011 at 9:43 AM, Piotr Zalewa <piotr@xxxxxxxxxxx> wrote:

> Thanks Adam
>
>
> On 06/22/11 08:06, Adam Hill wrote:
>
>>
>>        To be honest I'm not sure that there is any need to use my kernel
>> any
>> more - it was useful when the Intel graphics just didn't work from the
>> stock
>> kernels but recent versions work pretty well out of the box. So, my advice
>> would be just to find the latest kernel you can for Gentoo - someone will
>> have
>> compiled the latest mainline one somewhere!
>>
>
> OK - I thought it does something else as well - my stamina mode is working
> fine - it's NVidia I wanted to switch on on choice.
> I'm using 2.6.38-gentoo
>
>
>         There are still a few tweaks that you need to do... either:
>>
>> 1) If you never ( or hardly ever ) run Windows, add acpi_osi="" to the
>> kernel
>> boot parameters. This will set the BIOS in to static switching mode
>> whenever
>> you shutdown/reboot when running Linux. I.e. the first time you run Linux,
>> you
>> will need to reboot, but from then on the appropriate speed/stamina LED
>> should
>> come on as soon as the machine powers up and only one card will be
>> visible. If
>> you want to switch between the two cards you'll need to switch the
>> speed/stamina switch and reboot, and then use some sort of trickery to
>> make
>> sure that the correct X drivers and libraries are loaded. I've posted a
>> script
>> which may work for this purpose but would have to be modified for Gentoo (
>> Ubuntu users can use the neater "alternatives" method. )
>>
>
> This would be my case - I don't even have Windows installed at the moment.
> Trying it now.
>
>
> zalun
>
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