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MP 1,1-5,1 Manually Configured OpenCore on the Mac Pro
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Go back one page and start reading with this post. You will find everything you need.
This seems to have done it. The NVMe drive now boots consistently, even if there's a SATA drive in bay 1. The terminal stuff didn't seem to work, but the Startup Disk pane (in Mojave) did.
I also added OC to the Win10 disk as well, following the instructions by @h9826790. This should protect my bootrom should it ever boot directly from bay 1 again.
That's a good point. Sometimes one can spend time trying to fix a problem that doesn't need to be fixed.
make a Backup of the boot rom just in case you get UEFI Windows booted accidently.
Thanks. I've got a fresh rebuilt / upgraded bootrom already, courtesy of Alex.
I also just wanted to say a big thank you to Alex for the BootRom. I have now been able to install Catalina. Also thanks to all those others that had suggestions. This thread and the forum in general are a great way to find information and help from an amazing group of people.
good day all.
I have a clean install of Mojave on a HDD in bay
A clean install of Mojave on a NVMe. I want to install OC on the NMVe so I can upgrade to Big Sur 11.2.3
I really appreciate it on what the process is for install OC on a USB please, thank you.
Also on the NVMe with Mojave when upgrading to Big Sur 11.2.3. Will it be an upgrade, or has to be a clean install ?
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To install OC on a USB just follow post #1. Mount the EFI partition, install OC, and bless.
I'm not sure the best way to update Mojave to Big Sur. Perhaps someone can chime in. I believe you will need to boot Mojave with OC (using board spoofing) and then run the Big Sur installer (11.2.3 version). You can do this from your NVME and it should update your Mojave to Big Sur.
I was running Open Core fine on my 4,1 flashed to a 5,1 & a orrig. 5,1 on the NVMe which I think is not recommended.
MP's were running fine , than I upgraded to 11.4 BEFORE I read that 11.4 is not comparable...I was surprised both Machines I thought were still running well except BOTH of the MP's started acting weird, and have difficulty booting.
1 of the MP 5,1 - I upgraded to 11.4 but the other did it by its self before i could stop it which proves they get the updates. I started to use "Legacy Patcher" on my MacBooks and I am wondering with all the patches / hacks out there WHAT is the BEST Patcher for the 4,1 - 5,1 ? What is the best version of Big Sur ?
There is a Guy that really knows his stuff about the Mac Pro's I forgot his Name / Handle....I hope He see this and answers us...But I had Open Core running well on a NVMe untill 11.4 broke it.....
MP's were running fine , than I upgraded to 11.4 BEFORE I read that 11.4 is not comparable...I was surprised both Machines I thought were still running well except BOTH of the MP's started acting weird, and have difficulty booting.
1 of the MP 5,1 - I upgraded to 11.4 but the other did it by its self before i could stop it which proves they get the updates. I started to use "Legacy Patcher" on my MacBooks and I am wondering with all the patches / hacks out there WHAT is the BEST Patcher for the 4,1 - 5,1 ? What is the best version of Big Sur ?
There is a Guy that really knows his stuff about the Mac Pro's I forgot his Name / Handle....I hope He see this and answers us...But I had Open Core running well on a NVMe untill 11.4 broke it.....
Mac OS 11.3 has broken support for older Mac Pros
macOS Big Sur 11.3 Beta 3 has broken Mac Pro's early-2009 to mid-2012 ability to boot reliably into macOS. It's still possible to boot 11.3/11.4, but the process requires multiple restarts and a connection has been made between PCIe devices, especially storage related devices and USB controller...
forums.macrumors.com
Having similar issues. One if a few boots just hangs. Either at the very beginning or somewhere in the middle of the bar. I too upgraded to 11.4 without reading
I'm struggling to find an easy guide to install AppleALC on the 5,1. Am I just being blind? I would like to get DP audio to work on the R9 290x
Having similar issues. One if a few boots just hangs. Either at the very beginning or somewhere in the middle of the bar. I too upgraded to 11.4 without reading
I'm struggling to find an easy guide to install AppleALC on the 5,1. Am I just being blind? I would like to get DP audio to work on the R9 290x
maybe there is a workaround to experiment with
Latebloom - An experimental workaround for the 11.3+ race condition
UPDATE 27sep21: latebloom is now deprecated/unnecessary. Please see this thread for more information. I have created a kext that may provide a workaround for the Big Sur 11.3+ race condition. Alpha testing with a small group has provided encouraging results, so I'm now posting it publicly...
forums.macrumors.com
Having similar issues. One if a few boots just hangs. Either at the very beginning or somewhere in the middle of the bar. I too upgraded to 11.4 without reading
I'm struggling to find an easy guide to install AppleALC on the 5,1. Am I just being blind? I would like to get DP audio to work on the R9 290xi I cant help w/ the R9 290xi DP audio or AppleALC But why not use the optical digital Audio Out ? Are You going to go back to 11.2.3 ? Did You see many "Boot Failures" can corupt the PRAM EFI firmware or something Bricking the MoBo unless Garbage collection is used ? I have no idea what it is all about ...
I trust TSI Alex .I am going back to 11.2.3 as soon as i can. I think this time I will use Dortania Legacy Patcher -it worked good on my Mini's and MBP's ......IDK about "Big Mac" patcher ?Mac OS 11.3 has broken support for older Mac Pros
macOS Big Sur 11.3 Beta 3 has broken Mac Pro's early-2009 to mid-2012 ability to boot reliably into macOS. It's still possible to boot 11.3/11.4, but the process requires multiple restarts and a connection has been made between PCIe devices, especially storage related devices and USB controller...
Hi to all. I'm here because I installed Catalina using Dosdudes patcher on my MacPro 4,1 (upgraded to 5,1 ad powered with Xeon E5680, 580RX, 1TB nvme Crucial P1 ssd), but after I upgraded it to latest build using CatalinaOTAswufix.app, MacPro's audio capability disappeared. I tried to re-patch the machine, but it didn't give any benefit. So asking on Catalina unsupported thread, someone give me the suggestion to use OpenCore. Now I'm trying to understand how to start with it... I've 4 disks in my MacPro:
- the main (boot) disk that is a 1TB nvme Crucial P1 upgraded to Catalina last week (GUID partition scheme);
- 128GB Samsung 840 PRO SSD that I destined for Windows boot (FDisk p.s.);
- 1TB (GUID p.s.) mechanical drive where I hold a clone from boot drive, normally updated every night, but I've suspended the CCC clone program since I've upgraded to Catalina, so there is a working copy with Mojave (I plan to re-enable cloning when I am sure to hold Catalina and everything works flawless).
- 2TB (GUID p.s.) drive where I hold TM backup and a small (30GB) emergency partition that I learned to hold before Apple started to give us recovery partition. Now I guess it's useless, because it's stuck with macOS 10.9.5 and even older maintenance tools.
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you should see things in chronical order, the latebloom workaround just got out officially yesterday.
but you are correct, 11.2.3 is the stable thing. Until we have a lot of more tests and data points using workarounds is no perfect solution.
Disk B is the one with Mojave. Disk A is where you want to install Catalina. Note that it is not recommended to use patched installations (your current installation of Catalina) with OpenCore.
Sure.
That's up to you. I would just keep the important files and remove the partition. Note that 10.9.5 doesn't support your current graphics card, though OC might give you unaccelerated functionality.
So from what I understand, the best choice is to clone back Mojave on main disk (nvme SSD), use OpenCore to upgrade newly to Catalina through Apple Software Update. But the Disk with Mojave is a kind of backup, that I'd like to re-activate it at the end of the game (upgrade process)... I see it as an insurance for failures, crashes or other kind of disaster, that in most cases let me be operating in a reboot time (I've got other backups too, but they need more time). So, at the end of the upgrade process, the disk you called "Disk B" will become a Catalina disk (mybe in future BigSur or Monterey). I'm not sure you got this... if this could become a problem, should I use 10.9.5 Emergency Partition and upgrade it to Mojave, and use this disk as "Disk B"? Or is holding a clone from boot disk (that CCC syncs every night) not feasible in a OC configuration? Could it be necessary to make the emergency partition a little bigger?
You can certainly upgrade a Mojave installation from Software Update, but you can also do a clean install from Mojave to another disk (see part 4 of the guide for how to get a full installer).
No matter what, Disk B should always have a Mojave installation, which you can boot natively (without OC). You should always have this disk present alongside your unsupported installation (Catalina, Big Sur, Monterey) on Disk A.
Having a clone of your unsupported installation is a good idea. There is no problem doing this with OC. However, if something goes wrong with your OC setup, you won't be able to boot that clone. That's why keeping a Mojave installation is of utmost importance. You can always use it fix your OC setup.
Thanks. Getting macOS installer is not a problem.
So, if I didn't misunderstand, I can't put OC on the same drive I hold main macOS partition and emergency macOS partition (Mojave)... so I need an answer to this question: with my four drives configuration (one for booting windows, that I guess I must convert to GUID but remains useless for booting macOS), can I get a configuration that let me be operating with a simple reboot, whatever it happens in any of my disks?
Assuming I'll use the 1TB nvme SSD (disk A) for normal macOS boot, and that I want to hold a nightly updated clone on 1TB HDD (disk B), I guess I must put the bootable Mojave partition on 2TB HDD (disk C, used mostly for TM backup). So if disk A will file (or I misconfigure something), I should be able to reboot from disk B, loosing only the change's I made since last sync operation (like with my actual configuration). But if for some reason files disk C, can I boot with disk A or B? If not, can I clone emergency macOS partition somewhere that let me boot and work with the MacPro, if disk C will file?