Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.

JeDiGM

macrumors regular
Oct 20, 2018
120
23
The kext mod might work, but you’d need to disable SIP and if it gets re-enabled (such as a PRAM reset) you’ll boot to a black screen. And of course it would need to be done every time there’s an OS update and no guarantee the mod will work with the new kext. So I say that’s for hacks. Not worth the trouble IMO.

I concur. Especially if it re-enables on a PRAM reset.
 

eksu

macrumors 6502
Aug 3, 2017
329
151
No, the new RX Vega 56 one has the Sleipnir frame-buffer.

I guess I'm showing how much I don't know, but does it seem like the Sleipnir frame-buffer for Vega 56 would be something we would be able to enable for all Vega 56 cards with the same port layouts, or for Vega 64 / Vega Frontier Edition cards?
 

JeDiGM

macrumors regular
Oct 20, 2018
120
23
Just a question: what happens if you install the kext in LE instead of SLE? Is it still overridden on system update?

Good question. All I know is that I changed the kext in SLE and now I can't put the old one back and boot the system with the original kext. You probably could get it working with some research in the hackintosh community but I moved to an official Mac because I didn't want to be fiddling with SLE and LE etc anymore. I stopped hackintoshing right before they implemented SIP. Clearly those were the golden days LOL. Looks like I'm stuck waiting for Apple to work out the kinks in the Vega FE before I move up to Mojave. For now sticking with my 1070 on High Sierra. So quiet :)
 

MisterAndrew

macrumors 68030
Original poster
Sep 15, 2015
2,895
2,390
Portland, Ore.
I guess I'm showing how much I don't know, but does it seem like the Sleipnir frame-buffer for Vega 56 would be something we would be able to enable for all Vega 56 cards with the same port layouts, or for Vega 64 / Vega Frontier Edition cards?

No, the Sleipnir frame-buffer is for an eGPU. The port layout doesn't match a PCIe graphics card.
 

goMac

macrumors 604
Apr 15, 2004
7,663
1,694
It's for the new Vega MacBook Pro. Didn't make the stage announcements today, but it was announced online.
 

MisterAndrew

macrumors 68030
Original poster
Sep 15, 2015
2,895
2,390
Portland, Ore.
It's for the new Vega MacBook Pro. Didn't make the stage announcements today, but it was announced online.

Thanks for the news! I found it here: https://www.apple.com/newsroom/2018/10/all-new-macbook-air-takes-flight/

The eGPU we've been discussing isn't the Vega included in the MacBook Pro. That will most likely be a Vega 12 mobile variant. The eGPU is a desktop Vega 10 (device ID 687F). The MBP Vega will probably have one of these device IDs:
-69A0: Unknown (Vega 12)
-69AF: Unknown (Vega 12)
-69A1: Unknown (Vega 12)
-69A2: Unknown (Vega 12)
-69A3: Unknown (Vega 12)
 

deconstruct60

macrumors G5
Mar 10, 2009
12,493
4,053
No, the new RX Vega 56 one has the Sleipnir frame-buffer. I showed the Yelcho frame-buffer for the Pro 580 for comparison. It’s listed as RX so that’s why I said it’s a gaming GPU. They would list it as Pro if it was geared towards professional uses. It’s unknown exactly how it will be marketed, so I offered my best guess opinion based on that the RX is AMD’s gaming focused GPU series and Apple has been touting Metal for gaming.

new Blackmagic eGPU Pro. Vega 56. They covered the "Pro 580" for the first variant and this Vega 56 for the second one. Get another DisplayPort v1.4 output port , but mostly the same system set up at a higher price point ( $1,199 ).

https://9to5mac.com/2018/10/30/blackmagic-egpu-pro-external-graphics-thunderbolt-3/


No Mac gaming demos on stage today. Only iPad Pro gaming and AR demo.
[doublepost=1540922255][/doublepost]
It's for the new Vega MacBook Pro. Didn't make the stage announcements today, but it was announced online.

"...
  • Configurable to Radeon Pro Vega 16 with 4GB of HBM2 memory or Radeon Pro Vega 20 with 4GB of HBM2 memory ..."

'Pro Vega 20' .... seems like that is probably going to be a confusing marketing tag in a month or so. Perhaps that is what AMD is going for.
 

MisterAndrew

macrumors 68030
Original poster
Sep 15, 2015
2,895
2,390
Portland, Ore.
new Blackmagic eGPU Pro. Vega 56. They covered the "Pro 580" for the first variant and this Vega 56 for the second one. Get another DisplayPort v1.4 output port , but mostly the same system set up at a higher price point ( $1,199 ).

https://9to5mac.com/2018/10/30/blackmagic-egpu-pro-external-graphics-thunderbolt-3/


No Mac gaming demos on stage today. Only iPad Pro gaming and AR demo.
[doublepost=1540922255][/doublepost]

"...
  • Configurable to Radeon Pro Vega 16 with 4GB of HBM2 memory or Radeon Pro Vega 20 with 4GB of HBM2 memory ..."

'Pro Vega 20' .... seems like that is probably going to be a confusing marketing tag in a month or so. Perhaps that is what AMD is going for.

Well look at that! I was right. :) Except that Apple didn't give it any attention at the event. I even tipped Macrumors about it and they didn't report on it.

https://www.apple.com/shop/product/HMQT2/blackmagic-egpu-pro?fnode=4c

I agree the Pro Vega 20 name is confusing since there is also the 7nm Radeon Pro Vega 20 desktop GPU. However, the latter is an internal name. The mobile GPU must refer to the number of compute units. I'm guessing it's a Vega 12 GPU. It's 14nm.

https://www.amd.com/en/graphics/radeon-pro-vega-20-pro-vega-16
 
  • Like
Reactions: BillyBobBongo

deconstruct60

macrumors G5
Mar 10, 2009
12,493
4,053
Well look at that! I was right. :) Except that Apple didn't give it any attention at the event. I even tipped Macrumors about it and they didn't report on it.

Well the site isn't called "Blackmagicrumors.com" . :)


I agree the Pro Vega 20 name is confusing since there is also the 7nm Radeon Pro Vega 20 desktop GPU. However, the latter is an internal name. The mobile GPU must refer to the number of compute units. I'm guessing it's a Vega 12 GPU. It's 14nm.

https://www.amd.com/en/graphics/radeon-pro-vega-20-pro-vega-16
[/quote]

Yeah probably...

image.php

https://www.phoronix.com/scan.php?page=news_item&px=AMD-Vulkan-Vega-12-Posted


maxNumCUPerSh = 5 so 4 x 5 = 20 CUs. ( verus 4 x 16 = 64 CUs for a maxed out Vega 10 ('Vega 64' ) )
16 is probably dropping one CU per shader area ( 4 x 4 = 16 ) to save on thermals. Clocked significantly down for these mobile offerings.

Not sure how clocked up for desktop would work for a new iMac or not. I could see Apple using the same part but clocked different in revised iMac. ( to eek out more economies of scale on parts costs if it fits a good performance profile. ). Just how cost effective against the 12nm Polaris and cheaper GDDR5 memory might be close with the higher power and lower component price budget.


But right on "Vega 20" architecture not being an external product name. The new cards with those might get tagged with 'Vega2' or "Vega Instinct" prefix when hit the market as the external names. ( but in the tech spec, rumor fueled market ... Vega 20 would make folks look now.)
 
Last edited:
  • Like
Reactions: MisterAndrew

bgdre12

macrumors newbie
Feb 11, 2008
11
2
Got a really good deal on a Sapphire Vega 64. Got it installed and updated to Mojave last night. It boots right up, the only issue is the fans. Figured since the Sapphire Vega 56 had no issues, the 64 would be okay. The fans don't blow at full speed but it's definitely noticeable. The card works flawlessly in bootcamp and is much quieter. Any ideas on what to do about the fan issue? If I've got to flash the GOU which do you recommend for this card?

Much Appreciated.

*EDIT*
Would the Nitro+ 64 be a good bios to flash?
 
Last edited:

MisterAndrew

macrumors 68030
Original poster
Sep 15, 2015
2,895
2,390
Portland, Ore.
Got a really good deal on a Sapphire Vega 64. Got it installed and updated to Mojave last night. It boots right up, the only issue is the fans. Figured since the Sapphire Vega 56 had no issues, the 64 would be okay. The fans don't blow at full speed but it's definitely noticeable. The card works flawlessly in bootcamp and is much quieter. Any ideas on what to do about the fan issue? If I've got to flash the GOU which do you recommend for this card?

Much Appreciated.

It's the Sapphire Pulse and Nitro+ versions that don't have the high speed fan issue. You got the Reference card, and both the 56 and 64 versions have the issue. You could try using a BIOS linked in the first post of this thread. Best option would be to return it get a Sapphire Pulse or PowerColor Red Dragon.
 
Last edited:

JeDiGM

macrumors regular
Oct 20, 2018
120
23
It's the Sapphire Pulse and Nitro+ versions that don't have the high speed fan issue. You got the Reference card, and both the 56 and 64 versions have the issue. You could try using a BIOS linked in the first post of this thread. Best option would be to return it get a Sapphire Pulse or PowerColor Red Dragon.

Or wait. Apple has to get this fixed. Hopefully!
 

MisterAndrew

macrumors 68030
Original poster
Sep 15, 2015
2,895
2,390
Portland, Ore.
It's not likely. People have filed multiple bug reports beginning with 10.14 beta. Apple claims they (and also AMD) cannot reproduce the issue. They also close bug reports stating they recommend Polaris (Ellesmere). It's discussed at length in this thread.
 
  • Like
Reactions: startergo

JeDiGM

macrumors regular
Oct 20, 2018
120
23
It's not likely. People have filed multiple bug reports beginning with 10.14 beta. Apple claims they (and also AMD) cannot reproduce the issue. It's discussed at length in this thread.

I saw that. What was the test bench they were using again? Maybe they have something configured differently that's making theirs run properly for them or something in our builds that's configured improperly that needs to be taken into account?
 
Last edited:

bgdre12

macrumors newbie
Feb 11, 2008
11
2
It's the Sapphire Pulse and Nitro+ versions that don't have the high speed fan issue. You got the Reference card, and both the 56 and 64 versions have the issue. You could try using a BIOS linked in the first post of this thread. Best option would be to return it get a Sapphire Pulse or PowerColor Red Dragon.

Just got done flashing, the sapphire nitro 64 bios worked perfectly. Fans are finally behaving properly in Mac OS.
 

mike_ranger

macrumors newbie
Nov 1, 2018
5
1
Just got done flashing, the sapphire nitro 64 bios worked perfectly. Fans are finally behaving properly in Mac OS.

I have a PowerColor Red Dragon Vega 56.
After stressing the GPU, fans spin up to 2000 rpm even if there is no load anymore will not spin down anymore.
For doing that stress test, the Luxmark benchmark works nic.e
So it seems that the Red Dragon also has the fan problem after heavy load not spinning down.
Would be the recommended way to tame those fans to flash a Red Devil 56 bios since users reported that would work?

Thanks, Michael
 

fireedo

macrumors regular
Jun 9, 2011
133
58
Indonesia
That sphere is rendered, not a photo, right?

If so, that is beautiful, so lifelike.

yes that's rendered :)

does the card spin down after the Luxmark benchmark?
My Red Dragon keeps spinning high after benchmark is complete.
Regards, Mike
my card is a reference card, so the fan is always at high rpm , will flashed this card tonight

updated :
Just now I have flashed my PowerColor RX Vega 64 Reference edition to a Sapphire Nitro+ RX Vega 64 and the fan problem is gone now, simple procedure but have a big impact

thank you for the trick/tips on the Page 1
 
Last edited:
  • Like
Reactions: MisterAndrew
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.