Two graphics cards and three monitors - how to?

[Colin Law]

On 16 October 2011 22:03, Alan Pope <alan at popey.com> wrote:
> On 16 October 2011 10:29, Colin Law <clanlaw at googlemail.com> wrote:
>> Yes, done all that, the problem seems to be in persuading it to use
>> both graphics controllers at the same time.
>>
>
> Start two x servers, one on one card, one on the other. This is
> usually how it's done if you have two separate cards of different
> manufacturer.

OK, now we are onto something.  Google shows lots of (rather
confusing) posts on how to do this, is there a definitive one
somewhere that might get me off the ground?

>
>> He uses two of them at the computer and the third is the TV (not
>> physically by the computer), used for viewing TV online, which seems
>> to be the way he does a lot of TV viewing now.
>
> So the two are plugged into the nvidia and the telly is on the ATI?

No, one monitor is on the ATI and the other and the TV on the nVidia.
Does that matter?  I must admit that we have not yet got twinview
working, even with the ATI disabled.  I have suggested he tries Unity
2D as there seem to be some compiz issues with unity still.

Thanks for the help

Colin

>
> If so then nVidia standard twinview should be fine for the two
> computer monitors and a separate X server for the telly using the ATI
> driver.
>
> Al.
>
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