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 on: April 26, 2020, 08:51:48 PM 
Started by blacksheep - Last post by explit
Hello Guys:

I have a Problem with Mac Pro 4.1(5.1).

I have flashed 2x Graphic Cards wit mac EFI ROM to have a Boot Screen:


Both Graphic Cards works very good in MacOS Mojave, but as soon i start Windows 10 on the Mac Pro, i get a black Screen and the Mac Pro reboots.
With the stock Windows GPU BIOS on both cards - Windows boots just fine.

What can it be?


 on: March 27, 2020, 11:51:35 PM 
Started by MacSleeper - Last post by streak8047
Well, it needs 10.8.3 and mountain lion doesn't support 1,1 or 1,2...officially.

Sapphire AMD Apple Radeon HD 7950 flashed ,working perfectly for DVI display ,not working HDMI,and Display port ,this issues was because flashing or some other else

 on: March 26, 2020, 01:27:35 PM 
Started by Rominator - Last post by Spacedust
New driver for Security update 002.2020:

 on: March 20, 2020, 01:13:02 AM 
Started by Bunga-Bunga - Last post by explit
Hi. Would you send me your K600 EFI ROM?
I have also an K600 and would also make some testing.


 on: March 03, 2020, 05:08:22 AM 
Started by Rominator - Last post by nekton1
Hey Rominator,

Since it seems flashed PC MXM cards look unlikely to ever ship from macvid cards and the 27" 2009/2011 iMacs are getting very long in the tooth, how about open-sourcing the roms you have developed so far and letting the community take a crack at finishing the work?

I’ve got a much-loved vintage 2009 27” iMac with a partly dead HD4850 512 MB GPU (no acceleration) and a new old-stock Dell Alienware M17x R1 R2 AMD Radeon HD 4870 1 GB GPU.  I also have the MXM-PCIe hardware adapter and Rpi to flash the Alienware MXM to a mac efi rom, but I don’t have a rom.

I’m a hardware guy and not into firmware but if I could read some background and get pointers in the right direction, maybe I could build a rom to keep both this old 27" Mac and the Alienware card out of landfill.

So you know the next question!   Is this a doable proposition from your PoV, or do you see it as stealing your work?  From my PoV, why build the wheel twice when a lot of the work has been done (by you) already. The rest of us could stand on the "shoulders of (you and Netkas) giants" to see a little further (apologies to Newton).

 on: March 03, 2020, 02:53:11 AM 
Started by eVasilis - Last post by lord_athlon
I have a Wx7100 in mine and I love it. It works very well, is quiet and not power hungry at all. Tom's Hardware did a good writeup on the pcb improvements on this VS the 480/580.

 on: March 01, 2020, 02:06:57 PM 
Started by MacEFIRom - Last post by radmos
Imac 4.1 20" 2006 bootRom-Im41.0055.B08 ,SMC-1.1F5 , 2ghz intel core duo, DRR2 2x 1GB ram, Mac OSX 10-5-8.

I'd like  to update it to imac 5.1 with iMac4,1 and iMac5,1 Firmware Tool Released taken from the forum but I cannot do it, the application won't start, does nothing, a popup windows appears ":Unexpectable finished working".

I've got a question if I need to change the processor to intel core 2 duo first and then try to install iMac4,1 and iMac5,1 Firmware Tool Released. Will it work then?

 on: February 14, 2020, 01:57:47 PM 
Started by netkas - Last post by matacao
Thanks a lot, I'll try when I've some free time!

 on: February 12, 2020, 05:57:54 PM 
Started by netkas - Last post by HenrysCat
Actually try the one attached, I made it from your original, make sure you have a backup first Wink

 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.

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