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1. MAC MINI REVIEW DAISY CHAIN PRO
2. MAC MINI REVIEW DAISY CHAIN WINDOWS 8.1

MAC MINI REVIEW DAISY CHAIN PRO

The new Mac Pro and Retina MacBook Pro, both support Displayport 1.2 and both support MST.

See this page for Intel's official description of their video chip capabilities which shows the HD 4000 only does Displayport 1.1 MST stands for Multi Stream Transport and lets you send multiple video streams over a single cable, in this can one would be used per screen. The current Mac mini has an Intel HD 4000 video chip, this video chip uses Displayport 1.1a and Displayport 1.1a does not support a function called MST. As far as I can see this is not possible not only because people are posting here with problems trying to do it, but due to the specifications of the current Mac mini (2012). The original thread asks about daisy-chaining two Dell monitors via Displayport on the current Mac mini. See (there are some email contacts listed) Perhaps we should send complaints to the Displayport organisation. This if true is outrageous behavior on Apple's part. So it appears Apple are supporting MST with their own Mini Displayport and Thunderbolt displays, and are also supporting it with third-party 4K displays, but apparently are deliberately blocking it with other Displayport displays. What is even more puzzling is that according to this article support for 4K displays is achieved by using MST to send two streams to a single 4K display in order to support the extra number of pixels. As Apple do support 4K displays clearly they are using Displayport 1.2 which is known to be supported by Apple's hardware as proven in Windows and by the fact that the manufacturer specifications for the video chips used by Apple list this which again is proved by the fact it works in Windows using the same hardware. Note: Mini Displayport is part of the Displayport 1.2 specification and 4K display support requires Displayport 1.2. multi-stream transport (MST) is part of the Displayport 1.2 specification.

I have not been able to find definitive evidence, but if Apple have signed up to be officially certified or complaint with the Displayport specification then it could be argued they are in breach of the specification since daisy-chaining aka.

MAC MINI REVIEW DAISY CHAIN WINDOWS 8.1

If as per posts by other users a new Mac Pro supports DisplayPort daisy-chaining under Windows 8.1 via Boot Camp but the same new Mac Pro and monitors do not work under Mavericks then clearly this is not a hardware issue.