[clug] Dual Monitors with Thinkpad T410

[Lana Brindley]

Thanks Jeremy,

Well, those checks all look promising, based on what you've said. I'll
play with hardware this weekend and see what happens :)

L

On 20 July 2011 15:30, Jeremy Kerr <jk at ozlabs.org> wrote:
> Hi Lana,
>
>> Basically just looking for anyone who has done anything like this
>> before with a T410 (or similar) running Linux. I'm really not sure if
>> the graphics card will be able to handle it.
>
> While it's not comprehensive, the following should give you a good idea
> if it's possible.
>
> At the terminal, do a `xrandr`, and check that you have an output for
> both connectors. They'll probably be listed as DVI1 & DVI2, but *may*
> have other names, like DP1/DP2.
>
> If that's ok, do a `xrandr --verbose`, and look at the 'CRTCs'
> information for each of the DVI outputs. A CRTC is the source of the
> display data, and your video device probably has more than one. The
> "CRTCs" numbers indicate which of the CRTCs can be connected to this
> output. If you want different images on each display, you'll need to
> have different a CRTC on each output. For example, if you have something
> like:
>
> DVI1 disconnected (normal left inverted right x axis y axis)
>        [snip]
>        CRTCs:      0 1
>
> DVI2 disconnected (normal left inverted right x axis y axis)
>        [snip]
>        CRTCs:      0 1
>
> - then you can connect CRTC 0 to one output, and CRTC 1 to the other, so
> this *should* work. But then, actually plugging something in is always
> going to be more reliable.
>
> Hope this helps,
>
>
> Jeremy
>
>



-- 
Lana Brindley
writer:speaker:blogger
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