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Old Dec 9, 2012, 01:37 AM   #1
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Join Date: Dec 2012
Why is nobody talking about this? MBA + AppleTV Resolution Question

I've looked high and low, and used my google-fu to the farthest extent I know how, and I have yet to come across one other person that has noticed what I'm about to talk about.
So, as a newbie programmer (but a programmer nonetheless), I can say comfortably that resolution means a lot to me and those around me. One of the reasons I chose a 13" Air over a 13" Pro is the resolution alone. Which is why it blows my mind that I haven't read anything about this:

When I connect to AppleTV(3) via AirPlay and set the mirror options to "Best Match: Apple TV" I get output on my TV at 1080p, which is expected and wonderful..sure. The mind-blowing part, is the display is mirrored, meaning, my MBA is also displaying a 1920x1080 resolution, rather than its native 1440x900.

That being said, it is apparent that even though the maximum supported resolution of the 13" MBA is 1440x900, it is capable of scaling and producing a display that is greater than that. I'm kind of excited/going insane right now so forgive me if I'm not articulating this in the proper way.

I guess it's better to just show you than try to put everything into words, so here are some screenshots that will help you better understand what I'm babbling about.

The "before" shot, you can see my terminal window is set to 100x60, and when you click on this picture it'll display the resolution above your address bar or on the tab marker (1440x900, native MBA resolution)
As you can see, the terminal fills up the left side of my screen:

The "after" shot, when I connect to AppleTV. Same deal, you can tell that my terminal is unchanged because it still displays 100x60. However, you'll notice a significant increase in screen space. Also, at the top above your address bar once again, you'll see that the resolution of this screenshot is 1920x1080 (standard HDTV resolution, and that of AppleTV).
As you can see here, the resolution is drastically different, and as a programmer..it is a godsend on a 13" machine. This is in fact, higher resolution than you can get on the 13" retina model...on a Macbook Air

I've racked my brain, and my friends brains, nobody can seem to come up with an answer as to how this is possible. Even if the machine is displaying some sort of condensed variety of a desktop; I want to be able to access that, I want that as my display on my MBA.
No matter which way you look at it, this is 1920x1080 resolution, on a display which the supposed maximum is 1440x900.

My question to all of you, as per the images above, you can see that a 13" 2012 MBA is capable of displaying 1920x1080 resolution (while being mirrored on AppleTv, but on the MBA display). Seeing as how the machine is capable of doing this, how do I achieve this resolution without being connected to AppleTV via Airplay? Sadly, I realize Apple may limit my ability to do so. But the functionality exists, I'm wondering if anyone has had any experience fiddling with this.

P.S. What really makes me wonder, what if it doesn't stop at 1920x1080? AppleTv is limited to 1080p, but what if you could push the display further?
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