Blimey - old skool! There really is no way, it is a limitation of the nvram spec itself. You can only set a temporary value over a missing value.
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MP 1,1-5,1 Manually Configured OpenCore on the Mac Pro
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Welp... I read everyone’s posts, accepted defeat, went out and came home with a 970. I’m currently in the process of transferring everything from my Accelsior to my Sabrent boot drive which I ended up doing a clean install of Mojave on last night. With the fresh 970, I was planning on making a Catalina boot drive. All I should need to do is install h9826790's 0.6.8 package and then I should be able to install Catalina, correct?
Had a skim through but can't see anything. Upgraded to 0.6.8 OpenCore but can't install Big Sur on my 5,1. Keep getting stuck in a boot loop. It installs then will restart the computer as expected, then launch the installer progress bar but restart at around 10% and repeat. Any suggestions or am I missing something painfully obvious? Thanks!
Posted this in the AMD thread as that's where h9826790's instruction for 0.6.8 were but seeing if I have any luck here if anyone knows! Thanks in advance!
Posted this in the AMD thread as that's where h9826790's instruction for 0.6.8 were but seeing if I have any luck here if anyone knows! Thanks in advance!
I’m afraid to say this because I don’t want to jinx it but using the 0.6.8 that h9826790 put together, I got Catalina installed without any issues at all. After all of the hours of trial and error yesterday, I’m waiting for something to go wrong since it was so easy. I just need to revert the changes I made to config.plist, right?
Config.plist reverted and all is well! I have a quick question though. I’m switching the rolls of my old boot drive and an internal SATA drive so the drive holding my pro tools sessions will have a sample libraries and vice versa. Because of this I want to change the names of the disks. Is it as simple as changing the name in Finder “Get Info” or is there more to it? I feel like I did something like this before and messed everything up. Figured I’d ask first.
Thank you for your post. What software did you use to get Big Sur running on your MP? I used OCLP 0.6.8 and Big Sur 11.2.3. Did you have to do anything special to et the second monitor worksing?
Thank you for your post.
SideCar needs (to my knowledge) a recent Intel CPU with iGPU delivering the HEVC support. This cannot be patched. I would like to see the AMD GPU doing this job...
Are there any reported issues about and volume control with 5,1 MacPros running Catalina through OC?
If I try to change the volume level from keyboard (it is an extended Apple Pro Keyboard) using the dedicated F10-F11-F12 keys or the three dedicated keys close to the eject key) the volume change icon appears on the main display but the volume level actually doesn't change. I have to change the volume level from the the dedicated menu bar icon.
The output device in System Preferences is the right one (line out). I already tried to reset the PRAM.
TIA
If I try to change the volume level from keyboard (it is an extended Apple Pro Keyboard) using the dedicated F10-F11-F12 keys or the three dedicated keys close to the eject key) the volume change icon appears on the main display but the volume level actually doesn't change. I have to change the volume level from the the dedicated menu bar icon.
The output device in System Preferences is the right one (line out). I already tried to reset the PRAM.
TIA
I have 3 Apple displays working. Hardware config is in signature. I followed post #1 a while back (OC 0.6.2) and installed Catalina. Recently did an upgrade to Big Sur just using the System software update (VMM on) (post #7,808). Didn't do anything special to get displays to work.
Does Big Sur 11.3 works well with open core 0 6 8 and NVME SSD on PCI express Card ?
or
Do we need a patch ?
What about USB 3 Inatek KT 4004 Card ?
Thanks Guys
My Config is Opencore 0 6 8 on USB STICK Running Mojave on SSD (security) + Main OS Big Sur 11.2.3 On NVME Boot Disk)
Mac Pro 2010 12 cores 3,46 + 128 Go ram + RX 580 Mac 8Go Pulse + USB 3 KT 4004 Inatek Card
+ Wifi bluetooth update card + Highpoint 7101 A
with Samsung SSD 970 Pro 512 Gb + SSD Kington SA2000M8500G + SSD Samsung 970 EVO 1To
+ 2 SATA SSD Sandisk + Samsung 860 EVO + 2 HD SATA in BAY
Titan Ridge V2 Flashed in Slot 4
or
Do we need a patch ?
What about USB 3 Inatek KT 4004 Card ?
Thanks Guys
My Config is Opencore 0 6 8 on USB STICK Running Mojave on SSD (security) + Main OS Big Sur 11.2.3 On NVME Boot Disk)
Mac Pro 2010 12 cores 3,46 + 128 Go ram + RX 580 Mac 8Go Pulse + USB 3 KT 4004 Inatek Card
+ Wifi bluetooth update card + Highpoint 7101 A
with Samsung SSD 970 Pro 512 Gb + SSD Kington SA2000M8500G + SSD Samsung 970 EVO 1To
+ 2 SATA SSD Sandisk + Samsung 860 EVO + 2 HD SATA in BAY
Titan Ridge V2 Flashed in Slot 4
Well 11.3 is not final so it is unclear. Many have issues with the beta - I recommend you take your discussion over to the specific thread for 11.3 - Mac OS 11.3 has broken support for older Mac Pros
@drunkmouth I've been struggling with same "boot loop" issues under 2 different scenarios. this is how I resolved:
Scenario#1-
UPGRADE: To Big Sur from Catalina-
Installation Method: Installer downloader 11.2.3 from App Store, 0.6.8 h9826790 (dropped into EFI, enabled TB3 hotplug only)
Hardware: Samsung EVO 970 NVMe 1TB (existing), everything unplugged (usb/firewire/etc) except HDMI
Issue: Endless boot-loops during installation process. Restored Catalina drive via Time Machine over 5+ times!
Fix: Created USB installer, 11.2.3 Fresh Install with Migration Assistant to restore programs and files.
Scenario#2-
FRESH INSTALL: Big Sur-
Installation Method: same as above
Hardware: Samsung EVO 870 500GB (brand new, qty: 2), nothing plugged in except HDMI
Issue: Occasional Installation Success with Welcome screen, random boot loop issues, excessive prohibitory symbol errors. Over 10+ attempts on 2 different EVO 870's!
Fix: Tested on 2 different SSD brands (SK Hynix Gold S31 500GB, PNY CS900 240GB, even tried an old SATA WD 1TB).
All successfully installed. zero issues!
In my case, not sure if boot loop errors are unique to my configuration, maybe the two EVO's I purchased were defective, or even worse, possible compatibility issues with EVO's under Big Sur. Hard to say without further testing and validation...
Hope this helps
Such issues could also be the result of unknowingly running OpenCore without proper blessing. Note that even if OC starts up automatically on boot, it may not actually be blessed, causing RequestBootVarRouting to fail. This affects updates and installations. In fact, resetting the NVRAM without reblessing afterwards will result in OC no longer being blessed.
Thanks to everyone who has put this guide together, I successfully have Big Sur running on a 5.1 (2x2.4GHz, 32GB, RX 580) on a 512MB SSD with the original 2TB HDD as the 2nd storage drive.
So currently I have Big Sur installed, but I haven't got full graphics acceleration / graphical boot picker going, I haven't got my advanced config quite right yet. I skipped from Step 1 to Step 4 and did Big Sur install without fully tinkering.
Before I break everything, is there any way to back up my SSD entirely, including EFI partitions, so I can recover to this stage? Not partition based but the whole drive image, and something that supports the file systems?
So currently I have Big Sur installed, but I haven't got full graphics acceleration / graphical boot picker going, I haven't got my advanced config quite right yet. I skipped from Step 1 to Step 4 and did Big Sur install without fully tinkering.
Before I break everything, is there any way to back up my SSD entirely, including EFI partitions, so I can recover to this stage? Not partition based but the whole drive image, and something that supports the file systems?
You can clone your entire disk with Clonezilla. It's a solid tool that you can boot into through OpenCore.
Note that the typical approach to backing up EFI contents when experimenting with OC is simply to copy the contents over to another location. If something goes wrong, you can copy the contents back using a natively bootable installation (Mojave, for example).
Thanks for that, I haven't got Opencore graphical boot working yet so it's a bit of a dark art picking the boot device ... Clonezilla looks like it should work off a Live CD and let me back up the SSD onto an external drive hopefully.
I still have a native install on the 2nd drive in there but really annoying it's Sierra at the moment so doesn't support the RX580, and I either have to swap the graphics card back to the stock ATI, update my backup install just for the sake of booting to it with the RX580 or Screen Share / Remote Desktop into it after boot.
I'm hoping I won't need to restore the backup but it's taken me about a fair while to get to where I am, and the machine is supposed to be used for work in a recording studio so I could do without losing it for another day if I mess up the advanced config.
I still have a native install on the 2nd drive in there but really annoying it's Sierra at the moment so doesn't support the RX580, and I either have to swap the graphics card back to the stock ATI, update my backup install just for the sake of booting to it with the RX580 or Screen Share / Remote Desktop into it after boot.
I'm hoping I won't need to restore the backup but it's taken me about a fair while to get to where I am, and the machine is supposed to be used for work in a recording studio so I could do without losing it for another day if I mess up the advanced config.
Hang about - the top of Step 2, to enable the graphical boot picker, am I supposed to have a text boot picker with RX580 on a 5,1 already? I have nothing prior to the OS starting - is the graphical boot picker likely to fix this, or is there another step needed to even get the text based boot picker first?
If you have no basic boot picker, then you won't get the graphical one. Usually, the solution is to restore the graphics card's original firmware (is your RX 580 a used card?). If your card has a dual bios (tiny switch), you can also try flipping the switch.
Take a look at techpowerup for a suitable video BIOS to flash. Windows or Linux will work for flashing.
Do yourself a favor and install a partition of Mojave. It will work with the RX-580 and runs without crutches.