F16 - Adding a second video card

[Adrian Sevcenco]

On 07/18/12 11:01, Roberto Ragusa wrote:
> On 07/17/2012 09:29 AM, Tim wrote:
>> On Mon, 2012-07-16 at 11:34 -0400, Mark LaPierre wrote:
>>> Many older MoBos will not support two video cards.  When you plug a
>>> video card in the expansion slot it disables the integrated one.
>>
>> Though, some do not.  i.e. You *may* be able to use the internal
>> graphics chipset and an external one, *or* you may have to install two
>> graphics cards.  I've got some boards that work in both ways.
>
> I was quite surprised to be able to use both the Intel integrated
> and Nvidia discrete on a "Nvidia Optimus" Lenovo Thinkpad.
> (also considering what Linus has recently expressed about Nvidia
> commitment to Linux)
>
> It is possible to actually run two X servers, with the Intel chipset
> driving the LCD panel and the Nvidia board driving the VGA.
> It was quite a bit of work to configure, but it is working fine
> now (I can also poweron and poweroff the Nvidia chip very simply
> without any reboot or session restart).
>
> (all this experimentation because it seems it is not possible to
> have VGA output on the Intel chipset)
Hi! How did you do it? i have an t420 and it would be interesting to 
play with this...

Thanks!
Adrian

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