It also makes it possible to use multiple external displays with an Apple notebook for the first time—at least without resorting to workarounds like USB video adapters. As we noted, the latest MacBook Airs use a smaller Eagle Ridge controller that only has one DisplayPort channel, so these machines are limited to just one Thunderbolt or miniDP display, period.
You can easily daisy chain two Thunderbolt Displays to a single Thunderbolt port on these machines. There are a couple exceptions. The 13" MacBook Pro can only drive two displays total with its integrated Intel HD graphics, so if you plug in two displays, the built-in screen will go black. We delete comments that violate our policy , which we encourage you to read. Discussion threads can be closed at any time at our discretion.
Confusing Mini DisplayPort with Thunderbolt Apple's new Thunderbolt technology uses the same DisplayPort connection that has been available in older Macs, which may be a source of confusion down the line for some users. Topher Kessler. Jul 28, AM. Jul 28, PM in response to jorhh In response to jorhh. Thunderbolt controllers fold data from existing DisplayPort systems with data from the PCI Express port into a single cable However, Thunderbolt is bi-directional, which often requires sophisticated reflection and cross-talk suppression techniques, such as used in 10 Gigabit Ethernet.
So as it currently stands, the technology is not compatible for the Thunderbolt display to successfully communicate bi-directional information transfer thru the older mDP port with is purely a video 'output'. This display is only officially compatible with Macs that have the Mini DisplayPort connector or the Thunderbolt connector.
A third-party converter must be used in order to use this display with older Macs. I guess, never say never But as it looks, there is nothing on the market to do this. Jul 28, PM. Which was my original question. Jul 29, AM. Jul 29, AM in response to jorhh In response to jorhh.
From what I know, Thunderbolt is back compatible. The best would be to try out. Jul 31, PM in response to jorhh In response to jorhh. Thunderbold ports are divided into 2 pipelines, one for data and the other for video. Going from the quote it should work with the video pipeline with no issues, but with no support for any of the external inputs FW, USB, Ethernet port. Jul 31, PM. Aug 1, AM in response to jbjoret In response to jbjoret.
We have black flickering, i. Aug 1, AM. Aug 1, AM in response to charles. In response to charles. Viewed k times. Improve this question. Gouthamm4G 5 3 3 bronze badges. Thunderbolt is backwards compatible with display port, so yes. Add a comment. Active Oldest Votes. Connect a DisplayPort display to Thunderbolt port As Apple says on their Thunderbolt product page : And because Thunderbolt is based on DisplayPort technology, the video standard for high-resolution displays, any Mini DisplayPort display plugs right into the Thunderbolt port.
Connect a Thunderbolt display to Mini DisplayPort The opposite seems to be possible, as the physical connection is the same. So, all in all, it won't work.
Ars Technica has a recent article about this , which states that there might be issues: What is really going to rub folks the wrong way, we suspect, is that the Thunderbolt Display is not configured to work with a miniDP display plugged in to its Thunderbolt port. Improve this answer. Thank you very much slhck, that answers my question. I wasn't aware of Apple's general TB page. Oh, that is unfortunate. I don't know if there are that many of those.
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