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A bit old news, but
With some of DP for high sierra Apple has accidentially released fw for imac pro.
You can find it here – https://github.com/gdbinit/firmware_vault/blob/master/EFI/Unknown%20Models/AAPJ1371_0058_B00.fd

Why I think it’s imac pro ? dsdt has name of model – imac. ALso there is uefi driver for amd radeon vg10.

That matches imac pro.

few other interesting things I’ve found: apple secure boot and microsoft secure boot support. first time spi flash rom is 16 mb (prevuously it waws 8 mb). voice over uefi driver (siri on separate cpu will work even in uefi ?)

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Following new GTX Titan Xp announce: https://blogs.nvidia.com/blog/2017/04/06/titan-xp/

Open to Mac Community

Speaking of users, we’re also making the new TITAN Xp open to the Mac community with new Pascal drivers, coming this month. For the first time, this gives Mac users access to the immense horsepower delivered by our award-winning Pascal-powered GPUs.

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One of our forum members has successfully bypassed blacklist of tb3 devices in macos and running egpu in razer core on new mbp.

More here

For anyone skilled enough who wants to repeat it.
“After digging around, it looks like the decision is made by IOThunderboltFamily. There is a shouldSkipEnumeration function and by patching it to always return false”

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More news:

Using same trick as for R9 Nano it was possible to get new RX 480 card working in osx.

Not very stable.

more info in forum.

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Good news from our friends.

One can get working acceleration (and finally a full working driver) on amd Fiji cards (R9 Fury/X/Nano)

Just add device id (0x73001002) into Baffins section (AMDBaffinGraphicsAccelerator) in /System/Library/Extensions/AMDRadeonX4000.kext/Contents/Info.plist

Caveat – so far it only works on nmp as eGPU, some code that is checking for nmp is in place.

More here – Forum post

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Bad news for everyone who still uses 65-nm intel cpu based on conroe arch (for example MP1,1/2,1).

SSE4 is being used now in system application and these cpus a missing it.

For example, trying to run macOS 10.12 on MP1,1/MP2,1 will give a panic because launchd process (init process, if it dies – kernel in panic) dies with signal 4 (illegal instruction).

Your only hope is when 10.12 released and sources code for kernel becomes available, if somebody will implement sse4,1 emulator (similar to sse3 emulation in the past)

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Good news.

It’s not intel-only now.

On Nvidia (and most likely amd cards too) the GUI of macOS 10.12 now runs on top of metal, not OpenGL.

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Notice something missing in this control panel

More under cut
(Read the article)

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amd drivers has new amd9500Controller.kext which is for polaris gpus (0x67E01002 0x67FF1002 0x67C01002 0x67DF1002)

amdRadeonX4000.kext has new graphics accelerator – AMDBaffinGraphicsAccelerator (Polaris 11)  (0x67E01002 0x67FF1002 0x67EF1002)

still no fiji accele support, Polaris 10 only framebuffer support, Polaris 11 has full support – apple is working on some new macs with Polaris 11 included, AMD today announced new cards as well, RX460 (P11 based), RX470/RX480 (P10 based)

nvidia – new driver finally, but still no GM100 kext, so no maxwell.  355.10.05b02

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Hello

If one will look into bios of 1080 then this list of released/coming gpu chips can be found

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