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jnolla

jnolla

Member Since 20 Jun 2006
Offline Last Active Aug 10 2017 04:19 PM
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Posts I've Made

In Topic: Vega Frontier Edition on High Sierra

08 August 2017 - 02:01 AM

Outstanding!  Thanks surfinchina!!

 

Any luck with 3 or 4 monitor configurations?  My Vega system has trouble beyond 1 DisplayPort and 1 HDMI (2 monitors).

 

I have all 3 DP working with 5k displays. See above.

In Topic: Vega Frontier Edition on High Sierra

31 July 2017 - 03:17 PM

Thanks jnolla!  I bought the Vega Frontier Edition and it works in High Sierra OOTB, no helper, no iGPU just like you said!  

 

A question for you.  For me I also noticed that AirPlay also works OOTB.  Did you notice that too?  Is that because of Vega or some other reason?

 

Thanks!

 

Congratulations! I'm not really sure if it's Vega related or not, but AirPlay works OOTB for me as well.


RX Vega is coming at lower price points! This will be a no brainer :)

https://hothardware....r-cooled-models

In Topic: AMD Polaris IDs on Sierra / High Sierra

24 July 2017 - 06:59 PM

It is hard to get dual AMD cards to work, my Haswell pentium supports 2 RX 480s using IGPU (Framebuffer only no acceleration) the Polaris cards work well in some open CL apps, a slight reduction in open GL performance but still working.

However, if using Braodwell, Skylake or KabyLake systems it is very hard if not impossible to get dual AMD Polaris cards to work. There is one person I know of who has disabled most of his IGPU drivers on a Skylake and has partial dual card support but like my setup with the Haswell pentium.

If you really want to get RX 480 working you may need to get a cheap Gt210 or other Nvidia card as helper or simulated iGPU. $30 US for a cheap helper card, I have found the Nvidia cards work great for this purpose and usually allow full sleep wake function for the RX.

I think you will have better luck running dual Vegas than a combo of Polaris and Vega. It may work with your Skylake or Kaby setup if you disable the IGPU drivers.

 

Keeping my hopes up. I can have them boot, but no acceleration if I fake a random ID. It might be something missing in Clover.

 

 

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In Topic: AMD Polaris IDs on Sierra / High Sierra

24 July 2017 - 02:43 PM

I would have thought so.

However, I found somewhere, and can't find it now, a vega hackintosh which didn't need igpu and didn't have black screen and worked oob. I'm dubious until there is more evidence though.

Who knows, if it's true they're quite likely to extend that feature through all the next gen GPUs for Mac Pro - 5xxx, R9 Fury and Vega.

 

All evidence is here. Nothing dubious about it. 

http://www.insanelym...h-sierra/page-2

In Topic: AMD Polaris IDs on Sierra / High Sierra

24 July 2017 - 01:57 PM

Sierra 12.6 and High Sierra dont require any fixes for RX cards except for the R9 xxx name.     As long as you have a Symbios iMac 14.2-18.1 or Mac Pro 4.1 + they wget full acceleration and 36 CUs without any need to alter kexts.

 

Nvidia card in slot 0 Rx in Slot 1 for a X99 type setup usually works.  Here's my Risen 7 1700 Rx 480 using Nvidia Gt210 as IGPU or Helper card.

 

I'm still struggling getting RX580 working with Vega as IGPU for an X99 platform on High Sierra. I tried injecting different FB through the clover startup menu, specifically for the RX580 without any luck. Is there anything needed on the clover config for IGPU on x99? As I'm troubleshooting, I was thinking about PCI-E assignment for MacOS.

 

On my standard setup, I have the main GPU on the 16/X8_1 slot, and the secondary (RX580) on the 16/X8_3 slot. On this configuration it boots to black screen. No changes even if apply different FB names (Guariba, Orinoco, Dayman). When I look at the IOREG output, the VEGA card is on slot BR3A@3

 

When I swap cards and install the main GPU on the 16/X8_3 slot, and the secondary (RX580) on the 16/X8_1 slot. I get reboots @ gioscreenlockstate. No changes even if apply different FB names (Guariba, Orinoco, Dayman). When I look at the IOREG output, the VEGA card is on slot BR2A@2

 

I figured that because the OS sees 16/X8_3 slot as BR2A@2, maybe the VEGA needs to be in this slot? How can I get it to stop rebooting?

 

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