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 1 
 on: Today at 07:40:28 AM 
Started by double-gee - Last post by Rominator
I don't know, at some point you should just yank the card out.

But you might also investigate that app that switches? If you read his notes is sounds like earlier version used power switching. So, it stands to reason that if you checked out how his older version worked you might discover how to do now.

And as to the guy working on 660M, how did that ever turn out?

Since Ebay isn't flooded with iMac 660Ms, I'm guessing it never got perfected.


 2 
 on: Today at 07:12:51 AM 
Started by ZZZAC - Last post by Rominator
I think we are missing something here. It looks to me that it IS in the drivers.

In 10.13.4 I was able to launch Luxmark and it began running the benchmark, so OpenCl is working.

I think the issue is more to do with output.

I read somewhere (I HATE it when people use this phrase to justify half baked theories) that 7970M of one type was used in machine with Intel iGPU and so display routing takes this into account.

May have been a reference to tonymac. Point is, check with Hackintoshers with laptops with these cards.

I have tossed one in 2 machines here. In cMP in 10.13.4 it shows like normal card, but on the MXM/PCIE buck the 2 ports I can use (DP and HDMI) had no output.

I then tossed it in X-Serve (has an MXM slot). The X-serve only has a MDP video outlet, so it's like an iMac (I hope) in that the primary display output is main thing card is for. On the other hand, they id it as "MXM slot" while iMac 2011 hid this little fact in System Profiler.

And it's likely that the EFI would be better from an iMac 6770 or 6970. It would have display outputs more likely to match iMac. The issue is going to be the BIOS itself, AMD cards use a much messier set up for display routing.

 3 
 on: Today at 06:45:13 AM 
Started by turluttu - Last post by turluttu
Is it possible to connect the EFI part in this video card?

 4 
 on: Today at 04:55:45 AM 
Started by turluttu - Last post by Rominator
Back in the day this card was all sorts of trouble.

Try it unflashed, see if stable.

 5 
 on: Today at 04:54:57 AM 
Started by Rominator - Last post by Rominator
Thanks !

Looking to start shipping first batch of 1080Tis June 15th.

Barefats has one a test with iMac Pro.

https://barefeats.com/egpu_titan_xp_imac_pro.html

Sadly, he didn't do any multi-1080 or multi Titan tests.

 6 
 on: May 24, 2018, 11:27:03 AM 
Started by ZZZAC - Last post by Fl0r!an
I guess the device ID is just missing in the drivers.

Modifying the ROM with the 7970 script will most likely result in lots of dead ports due to mismatched connector settings both in EFI and framebuffer personality.

 7 
 on: May 23, 2018, 01:56:17 PM 
Started by ZZZAC - Last post by FaDaWay
Hi,
I tried a 7970M card from dell but nothing works
Black Screen at start with dong , and with team viewer I can see that the card is not detected at all
with the original Bios and of course the modified one with Netkas script for 7970

It's seems that this card can't work inside an iMac

 8 
 on: May 23, 2018, 11:03:54 AM 
Started by turluttu - Last post by turluttu
Hello everybody!
I want to buy a video card Sapphire Radeon HD 7970 6GB Vapor-X for Mac Pro 5.1.
Can I flash this card? Please share if you already have it ready. Thank you!

 9 
 on: May 21, 2018, 01:20:07 PM 
Started by Kaleb - Last post by Kaleb
ok, so I installed 11.6 and the card works with PC bios, without start screen of course, both with Windows and OS X. That is ok for me, but with start screen it would be better Smiley

 10 
 on: May 21, 2018, 11:21:02 AM 
Started by Rominator - Last post by DarthnVader
That's awesome work, you and Netkas always take Mac GPU's to the next level.

Really interesting that you're able to use the internal display.

Can't wait to get my grubby little hands on this. Grin

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