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Old Dec 4, 2012, 08:16 AM   #1
beerglass007
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New 27" iMac 2012 external monitor

Hi all

On the older iMac's you could only use the 27" as an external monitor.

Do we know about the new iMac 2012 ?

Is this still possible or not now?

Thanks
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Old Dec 4, 2012, 08:28 AM   #2
chfilm
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How do you mean this? Ive got a 2009 imac with a 24" cinema display attached..
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Old Dec 4, 2012, 08:29 AM   #3
beerglass007
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How do you mean this? Ive got a 2009 imac with a 24" cinema display attached..
No

Not attach another monitor to the iMac, use the iMac itself as a monitor

E.G plug a Xbox 360 or PS3 into the iMac
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Old Dec 4, 2012, 09:08 AM   #4
risk52
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No..you can't do this...
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Old Dec 4, 2012, 09:12 AM   #5
beerglass007
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No..you can't do this...
But you could with the older 2011
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Old Dec 4, 2012, 09:23 AM   #6
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You could with the 2009-10 ones using displayport, but not the 2011-12 unless the source supports thunderbolt output (Basically just other modern Macs or very modern thunderbolt equipped PCs - which are rare). There was a lot of talk about hdmi>thunderbolt adapters coming out but I think it became apparent that high cost and conversion lag would make such a product practically unsellable.
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Old Dec 4, 2012, 11:40 AM   #7
Stetrain
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The 2009 and 2010 27" models could do it with the Kanex HDMI to Mini-Displayport input adapter.

The 2011 and 2012 models can only act as a display to a computer with Thunderbolt video output, which at the moment basically means other 2011 and newer Macs (ie hook up a 2011 or 2012 Macbook Air to a 2011 or 2012 iMac).

There are some PC motherboards / expansion cards that do Thunderbolt video out but I haven't seen any tests that show those working with the 2012 iMac.
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Old Dec 4, 2012, 11:49 AM   #8
Mac32
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I asked Apple support and they told me as long as the PC motherboard has a thunderbolt connection, the iMac should work as an external display for a Windows PC. There are several motherboards available with thunderbolt connection.

EDIT: They are wrong. It doesn't work. Only with the thunderbolt display.

Last edited by Mac32; Dec 5, 2012 at 10:22 AM.
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Old Dec 4, 2012, 01:00 PM   #9
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I asked Apple support and they told me as long as the PC motherboard has a thunderbolt connection, the iMac should work as an external display for a Windows PC. There are several motherboards available with thunderbolt connection.
You'll have to dig into the forum, but I remember reading at least one post of a guy who bought a specific motherboard just for this purpose and it didn't work.
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Old Dec 4, 2012, 01:17 PM   #10
Mac32
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Really? Strange that it works with an Apple Thunderbolt Display (I've seen it on youtube), but not with an iMac. Maybe he used a display port connection from the PC to a thunderbolt iMac?

You need a motherboard that support Lucid Virtu MVP (like ASUS P8Z77-V), so that you can get the signal from the discreet graphics card through the motherboard thunderbolt connection. It is explained below:

http://www.youtube.com/watch?feature...v=O1t7Rc9qFgI#!

Last edited by Mac32; Dec 4, 2012 at 02:07 PM.
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