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oliverc

macrumors newbie
Nov 11, 2016
15
3
The 5,1 has an issue with its early CPUs, that prevent it properly running beyond Monterey.
I'm running Monterey on a 4,1 flashed into 5,1 with exact same GFX card as OP. It works perfectly. With OCLP, I get boot screen (including the one to enter FileVault password). Zero issue but it prolly as far as 4,1/5,1 can go.
 
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CACCIATORE

macrumors newbie
Aug 11, 2024
8
0
日本
RX580 is a good graphics card, and it seems that it can be smoothly upgraded to Ventura or Sonoma on the Mac Pro 5.1 model. The problem is that RX580 has experienced Bitcoin mining booms, and there are a large number of products that have been mining for a long time circulating in the second-hand market. It is difficult to guarantee the stability of the product received. If it can be 100% guaranteed that it has been used by individuals and not refurbished, it should be very suitable for Mac Pro 5.1.
 

avro707

macrumors 68020
Dec 13, 2010
2,271
1,665
It is difficult to guarantee the stability of the product received. If it can be 100% guaranteed that it has been used by individuals and not refurbished, it should be very suitable for Mac Pro 5.1.

That’s my concern with these cards and the other compatible ones from that time, they were often used for mining so who knows what you get.

This lack of components will eventually put our Intel Macs out of service on macOS at least.
 

TheStork

macrumors 6502
Dec 28, 2008
296
190
That’s my concern with these cards and the other compatible ones from that time, they were often used for mining so who knows what you get.

This lack of components will eventually put our Intel Macs out of service on macOS at least.
You can still buy new RX 580's from Amazon and Newegg.
 

MrScratchHook

macrumors 6502
Dec 17, 2022
291
101
United States
The 5,1 has an issue with its early CPUs, that prevent it properly running beyond Monterey.
well, i can absolutely confirm i have installed sequoia today and its working, same as sonoma for a year now, monterey for 2 years and big sur for 3 years. im not sure what cpu issues you speak of, but if you could elaborate i would appreciate it.
 
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MrScratchHook

macrumors 6502
Dec 17, 2022
291
101
United States
And to be precise the cMP CPUs do not support AVX/AVX2 and later versions of macOS (Ventura +) require AVX/AVX2 in certain Kexts as well as certain applications require it. OCLP patches Ventura+ to include older Kexts so that the OS will run with AVX/AVX2. This patching can create instability depending on your workflow/applications.

Hence many with the cMP stay at Monterey.
i have zero issues on my 5,1 running big sur/monterey/sonoma and just today sequoia. now if were talking video work then that would make sense, as i only do audio work that may be the difference.
 
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Melbourne Park

macrumors 65816
i have zero issues on my 5,1 running big sur/monterey/sonoma and just today sequoia. now if were talking video work then that would make sense, as i only do audio work that may be the difference.

For you it works just fine for sound software. Good to know, But for video the 5,1s are pretty slow these days compared to contemporary alternatives or even 2019 7,1s. For all around software 5,1 users the experts here (I am not one) say to be safe don't go past Monterey.
 
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AlexMaximus

macrumors 65816
Aug 15, 2006
1,239
583
A400M Base
For you it works just fine for sound software. Good to know, But for video the 5,1s are pretty slow these days compared to contemporary alternatives or even 2019 7,1s. For all around software 5,1 users the experts here (I am not one) say to be safe don't go past Monterey.
That was correct for a very long time. I am usually very reluctant to upgrade the MacOS. However the OCLP development team really got it right with their last version 2.0.2 this time. Monterey worked flawless for a long time. Regarding Sonoma, I was skeptical at first. But after three month testing I am really very confident in Sonoma as a very stable version on my MP5.1. So far it’s as stable and flawless as Monterey.
 

avro707

macrumors 68020
Dec 13, 2010
2,271
1,665
As far as I understood from other posts on this forum you lose a lot of video card compatibility with the newer versions of MacOS on the old 5,1 machines. I don't know if you have the 6800XT working, if you do then that's good.

A lot of software I use now is getting to the point it's not fast enough on the 5,1. The 7,1 works fine - but that's still an expensive machine when it is highly configured. It is a workhorse of a machine.
 

Melbourne Park

macrumors 65816
As far as I understood from other posts on this forum you lose a lot of video card compatibility with the newer versions of MacOS on the old 5,1 machines. I don't know if you have the 6800XT working, if you do then that's good.

A lot of software I use now is getting to the point it's not fast enough on the 5,1. The 7,1 works fine - but that's still an expensive machine when it is highly configured. It is a workhorse of a machine.
Used 7,1s seem cheap to me compared to Studios. the only thing that's been holding me back is I think a 7,1 they are a path to permanent Windows. And if I go that way, why not buy a Windows box with a 4070 and buy a 4090 for half today's price in 15 months time?
 
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Melbourne Park

macrumors 65816
That was correct for a very long time. I am usually very reluctant to upgrade the MacOS. However the OCLP development team really got it right with their last version 2.0.2 this time. Monterey worked flawless for a long time. Regarding Sonoma, I was skeptical at first. But after three month testing I am really very confident in Sonoma as a very stable version on my MP5.1. So far it’s as stable and flawless as Monterey.

I think my version which is a quite new install, was 1.5. 2.02 sounds a lot newer!! But the issues with the CPUs does concern me ...
 

AlexMaximus

macrumors 65816
Aug 15, 2006
1,239
583
A400M Base
As far as I understood from other posts on this forum you lose a lot of video card compatibility with the newer versions of MacOS on the old 5,1 machines. I don't know if you have the 6800XT working, if you do then that's good.

A lot of software I use now is getting to the point it's not fast enough on the 5,1. The 7,1 works fine - but that's still an expensive machine when it is highly configured. It is a workhorse of a machine.
My AMD 6800XT dual card worked flawless for about a year in Monterey. Very unfortunate, there is no driver support for newer MacOS versions. So I was forced to either sell my GPU or freeze my machine on Monterey indefinite. Since several apps need and will need newer macOS revisions in the future, I have sold my speedy card and fell back to my trusty RX 580.
However, I have missed the additional gpu boost, so I did buy a new sealed in Box AMD Radeon Pro Vega VII workstation Card. This is getting flashed from my friends in Poland and will arrive this week. This card is fully supported in Sonoma and later and sports 16GB of VRAM HBM2.
For sure, the upgrade path for the MP5.1 is getting smaller, but the game is not fully over yet.
I was contemplating to transition to a 7.1, but as non professional enthusiast Upgrading a card that originally did cost 1899,00 Dollars is a very economical solution Compared to MP 7.1 in Germany.
currently used mp7.1 go for 3000 Euros, so spending a tenth for a sealed new in box gpu is a great deal.
The 7.1 scenario would have cost me north of 4k because of junk gpu in most used configuration. I really never complained of slow CPU in the 5.1. Till this day the speed of the 5.1 has been depending always on the gpu performance.
 

Melbourne Park

macrumors 65816
Those Pro cards are much much quicker for line drawing ie CAD etc. Always cost the earth though until well down the track. Lucky you those sound great but for me I think unless I get a 7,1 (which will become Windows) I probably will get Mac M3 or M4 Notebook of some flavour. And buy an external PCI thunderbolt 3 case for my RAID card. And probably a back up drive for all the data. I have a lot of drives for the 5,1, I've lost track of all the files and many are duplicated ... I'm looking forward to Apple bringing out an Apple intelligence 9,2 Mac Pro with SATA drive slots etc and then I am sure its intelligence would organise all my data neatly for me ...
 
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Melbourne Park

macrumors 65816
Well, so far I cannot even open the opencore legacy patcher app, which I could previously do. Currently I have one Mojave drive, and also a USB card in the computer, and a blank formatted USB thumbdrive.

When I open Opencore patcher, my OS asks for permission, I give it, then the closes. On re-opening the opencore patcher app (2.02 I think it is) it crashes after the OS asks once again for permission.

The text from the app closing says:

Process: OpenCore-Patcher [594]
Path: /Volumes/VOLUME/*/OpenCore-Patcher.app/Contents/MacOS/OpenCore-Patcher
Identifier: com.dortania.opencore-legacy-patcher
Version: 2.0.2 (2.0.2)
Code Type: X86-64 (Native)
Parent Process: ??? [1]
Responsible: OpenCore-Patcher [594]
User ID: 503

Date/Time: 2024-10-13 20:03:50.349 +1100
OS Version: Mac OS X 10.14.6 (18G103)
Report Version: 12
Anonymous UUID: E7D41896-890C-1234-567E-2653653DADDC


Time Awake Since Boot: 1200 seconds

The bolded numbers I changed as perhaps they refer to my computer.

I have reset the VRAM several times.

I am now getting frustrated ...
 
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