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AMD Radeon GPU for iMac 2011 - How to flash a PC card

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phuketmymac

New member
Hi guys,

Following last Louis/Duke video, I am wondering how complex that process of flashing a PC card with the Mac Bios card is?
Has anyone tried yet?

From what I understand you simply need to add the EFI part that the PC Bios is missing.
Buy a similar model card for a PC laptop and flash the card.

You can even see with this link that Rominator, the GPU guru from the hackintosh scene, has installed a GTX780M in an iMac 27" 2011: http://netkas.org/forum/index.php/topic,13815.0.html
Pretty amazing!

Duke, as you may know a lot on this subject, please enlight us!
 
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dukefawks

Administrator
Yes you can use PC cards in iMacs.....BUT

If the GPU is not originally supported by the iMac model it will have no thermal control. So installing a GTX780 in a 2011 iMac will melt it down pretty quickly. Also will not work with bootcamp.

I have modified Dell M5950 cards to work in 2011 iMacs and it works the same way as all other mods on Netkas are done. I don't really want to share my VBIOS as that will result in an instant run on all M5950 cards and I will have none left to buy. If you can figure it out yourself go for it, it does work.
 
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phuketmymac

New member
I have been a Netkas forum user for years since I started hackintoshing back in the days (Pentium 4 in 2007)
Lately the Netkas forum was sending tons of spams message so I did close my account.

Now that I need to register again, I just can't as his Captcha system is outdated.
Have you had the same problem or were you registered before this happened?
 
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phuketmymac

New member
Do you get the boot screen + brightness control with that card?
Wondering if you could do what some GPU gurus couldn't...
 
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