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 on: February 12, 2020, 01:37:03 AM 
Started by nicksilverstein - Last post by nicksilverstein
Can someone please help me with Mac EFI on a XFX R9 280X? I don't know what I'm doing with this stuff.

I attached my current pc rom. Can someone please help me make it have Mac EFI? It would be greatly appreciated.

 on: February 11, 2020, 04:14:14 PM 
Started by netkas - Last post by matacao
Thanks, I'll test with this correction.

 on: February 09, 2020, 03:35:14 PM 
Started by netkas - Last post by HenrysCat
Hi folks,

I lose all the outputs on my AMD HD 7970 Direct CU II when patched to mac with the script.

I've attached the both rom files.


New to this myself but at line 65520 you have FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 7F
I am pretty sure the last 7F should be FF also.

 on: February 05, 2020, 03:51:47 PM 
Started by MacEFIRom - Last post by Indio
Back on page 15 of this respectfully long thread, in June 2011, I successfully upgraded my at that time not so old Mac Pro 4,1 to a Mac Pro 5,1, using two Xeon X5660 CPUs and 32GB RAM of RAM. At the end of 2016 I upgraded the CPUs to two X5690 CPUs and increased the RAM to 96GB on six 16GB 1333MHz DIMMs to squeeze out the last bit of performance. And in November 2018 I upgraded the Radeon option card for a re-flashed GeForce GTX 680. This machine just keep on going. And going strong at that!

Back in 2011 I had to find out the hard way that NVMe booting wasn't supported; The OCZ Revo X2 PCIe SSD was refundable, but the OWC Mercury Accelsior PCIe 480GB (two no-brand M.2 SSDs in RAID0, what could possible go wrong?) has cost me a lot of data.

Now I'm starting to read posts about Apple having updated the 5,1 UEFI with NVMe booting, and I do recall an update being installed when updating to Mojave.

Does this mean that my upgraded Mac Pro 4,1 now supports NVMe booting too? Or do I need to re-update my UEFI for that?

if your bootROM is the latest (comes with the FULLinstaller of 10.14.6 with flash procedur) you will have NVMe booting as well

 on: February 04, 2020, 10:15:06 PM 
Started by jeanlain - Last post by pbaranski1
Hi.i need  help with this bios.Is possible to have bootscreen on this card? (Propobly reference desing).I tried but unsuccessful mod my bios. thanks in advance. Peter

 on: February 04, 2020, 10:55:35 AM 
Started by blacksheep - Last post by BLong1971
Hi everybody,

first of all, I would apologies for my poor english; I'm italian..
I have a Sapphire Radeon R9 280 (not X) OC 3GB and I'm trying to re-flash it for a full Mac boot (I own an Apple Mac Pro3,1) but with no concrete results.. I've read and applied netkas topic at,5619.0.html but I think that the 7950mac.efi is not full compatible with my VGA board.

If someone out there can help me, I will appreciate.

 here is my original .rom file, attacched below

Thanks in advance..

 on: February 01, 2020, 05:10:06 PM 
Started by netkas - Last post by matacao
Hi folks,

I lose all the outputs on my AMD HD 7970 Direct CU II when patched to mac with the script.

I've attached the both rom files.


 on: January 30, 2020, 11:22:53 AM 
Started by Rominator - Last post by Spacedust
New High Sierra driver:

 on: January 28, 2020, 08:55:56 AM 
Started by Sebinouse - Last post by Sebinouse

I read here,1122.msg12258.html#msg12258 that " iMac 5.2 is have not the same logicboard/motherboard than the 5.1 17". The HW resemble much more like a Mac mini late 2006 with a LCD or like a Macbook.".

Therefore my question is : do you think that your tool would allow to upgrade an iMac5,2 firmware to allow more ram or it really has nothing to do and will be way too complex ?

Hi, is there a way to upgrade my macmini5,3 to 6,2?

thanks for answers.

MacMini1,1 et MacMini2,1 have the EXACT SAME hardware, the limitations come from the EFI software.
In your cases, it wont work as the harwares are differents ...

 on: January 28, 2020, 02:12:10 AM 
Started by MacEFIRom - Last post by whauper
So I figured out the problem and now my Imac is 5,1 Model Identifer thank you so much

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