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 on: May 02, 2021, 03:19:04 PM 
Started by toke lahti - Last post by FlorisVN
I dont think this is ever gonna work.

As far as I know, X1900 wont get past Lion 10.7.5, I think it only had 32-bit drivers (kexts).

Just upgrade your GPU, even beter to a metal GPU and get Mojave/Catalina or Big Sur on your 3,1

 on: April 23, 2021, 11:21:18 AM 
Started by Librarian580 - Last post by toke lahti
-X1900 XT
Can Flash: X1900 XT and XTX 512MB. (Not GT, nor 256MB)
Can somebody offer this rom?

 on: April 21, 2021, 08:38:15 PM 
Started by Librarian580 - Last post by toke lahti
Does EFI 64 version for X1900 (XT) exist?

 on: April 17, 2021, 03:34:58 PM 
Started by toke lahti - Last post by toke lahti
Wondering if there's any chart anywhere which cards work with which osX/macOS?
Officially and with kext swapping?

 on: April 17, 2021, 03:13:00 PM 
Started by toke lahti - Last post by toke lahti
= "VRAM (total): 6 MB"
Could the combination work with a kext from older osX?
Are those available in somewhere?

 on: February 08, 2021, 07:36:45 PM 
Started by netkas - Last post by bjbNYC
Just adding to the thread a successful flash of a Gigabyte R9 270X 2GB card using Win10 boot camp'd on a MacPro3,1.

Used script at the head of this thread, pulled the existing ROM with AmdVbFlashWin.exe, ran the script on the Mac with the 7950 EFI, flashed the resulting ROM to the card under Win10.

Setup was that I had two displays on both DVI connectors; bottom was primary. Only problem is that top DVI connector no longer works (bottom is fine), so had to move 2nd screen to Display Port connector (using a DP->DVI adapter) and now I have a second display again, though it picks that up as the primary during boot time now.

Able to get Command-V during boot time to work (i.e. see scrolling boot messages), but haven't been able to get Option key to show Windows partition to work for some reason; still have to use a 'bless' script to get into Windows, but probably has nothing to do with flashing.

Anyway, letting the world know this worked since I've found NO reference to this particular card anywhere for this activity.

Thanks to the people who made this tool!

 on: December 22, 2020, 03:28:56 AM 
Started by MacEFIRom - Last post by Zlobnick
Hi I have attempted to use the 2206-2207 firmware update tool, but i just get an error when it attempts to download the files to make the RAM disk.  Is this now an outdated tool? Is there any other way i can do it.
MacPro1,1 with 2.66 quad Xeons 16gb Ram, 

Same here. Guess the download links are broken so the tool cannot reach the necessary files. Any workaround? I guess the links could be remapped to some other web server using the hosts file to mask the domain, but how to get to those files? And which files are needed anyway? Smiley

 on: November 18, 2020, 07:52:35 PM 
Started by Fl0r!an - Last post by xbomber2002
To Fl0r!an
Hi, i jus bought a Sapphire R9 270X 2GB Dual-X for my Mac Pro 5,1 (E271 CURACAO XT GDDR5 64Mx32 2GB 150e/150m, DevID: 0x6810) and i need to flash it for mac EFI boot. By using the default bundle from netkas (,5619.0.html) and following his guide, i partially succeed. Although EFI is working and the boot menu is showing by pressing the alt key, i cannot go further than that. If i boot Mojave or catalina (apfs partition) i get a black screen in the last stage when the OS try to load the graphic extension. Also only one DVI port is working but no problem it’s enough for me.
I would be pleased if you can PM me a working modified ROM fitting my card configuration.
I see in another forum that someone had success in flashing his card by executing the script from an « upgraded » netkas bundle2 where the efiromheader is replaced by one called "efiromheader_7950.rom". Unfortunately no way to find this upgraded bundle2 in the net. Any advise is welcome.Thanks in advance.
PS: My card with his original pc bios work perfectly with acceleration in Mojave apart the inconvenience of not being able to manage the pre/early boot stage (no EFI boot screen)

 on: November 14, 2020, 05:08:46 PM 
Started by Rominator - Last post by FlorisVN
interessting, seems more and more roms for iMac compatible cards are being dumped here :

 on: November 14, 2020, 12:36:22 AM 
Started by Rominator - Last post by Spacedust
New driver:

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