How I got UHD (~4k) working on a MAC Mini

Started Mar 2, 2014 | Discussions thread
noirdesir Forum Pro • Posts: 13,797
Re: How I got UHD (~4k) working on a MAC Mini

bronxbombers4 wrote:

noirdesir wrote:

They keep signing more and more and sandboxing more and more with each OS release for the purpose of making the OS safer. What else would be the purpose of signing code? Do car manufacturers add anti-theft devices to their cars to make it harder for their customers to modify their car remote (eg, to add a proximity based features)? Or do they do it to make the cars harder to steal?

It depends, plenty of times companies have locked down firmware and so on to prevent mods and push sales of new and future items, but in this case yeah it certainly very well might be simply to make the OS more immune to sneaky malware attacks, that very, very well might be the only reason they did it and this hack may not have even been on their radar (although there is no way to know without looking in detail into exactly what parts they added signing too, if it was just a few sections of code dealing with these modules then it would seem that they were targeting this hack).

Whatever the reason, it is a terrible shame for those wanting to run their MACs at UHD. It's fine to lock up the OS to make it more secure, but they should really simply put in the hack themselves to allow for UHD over DisplayPort as an option or something.

The point is that the only rational reason why didn't do so (as it apparently must be pretty simple) that there must be downside to enabling this. How do you think a decision on the maximum display resolution and refresh rate a computer can officially support is made?

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