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TECK

macrumors 65816
Original poster
Nov 18, 2011
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Hi,

I have a CMP 4.1 firmware upgraded to 5.1. I purchased a Pulse RX580, supported by Mojave. What is the proper way to fresh clean install the OS, when Mojave will be released on September 24th? I can make an USB key with the OS, I need to know the proper steps. Do I install the RX580 first? Thanks for posting all details.
 
I'm unsure if the firmware will upgrade when Mojave is installed via USB. So you may need to at least begin the install booted from your current macOS (are you on High Sierra now?). And yes you'll need to swap GPUs beforehand.

If you want to upgrade your current macOS to Mojave then you can just continue to install Mojave from there. But if you'd rather start clean on the same drive then after the firmware is upgraded you can prepare a USB stick with the Mojave installer, boot to it, use disk utility to wipe your drive, and then install Mojave onto it.
 
I'm unsure if the firmware will upgrade when Mojave is installed via USB. So you may need to at least begin the install booted from your current macOS (are you on High Sierra now?). And yes you'll need to swap GPUs beforehand.

If you want to upgrade your current macOS to Mojave then you can just continue to install Mojave from there. But if you'd rather start clean on the same drive then after the firmware is upgraded you can prepare a USB stick with the Mojave installer, boot to it, use disk utility to wipe your drive, and then install Mojave onto it.

Correct, firmware won’t upgrade from a USB thumb drive install media.
 
Hi,

I have a CMP 4.1 firmware upgraded to 5.1. I purchased a Pulse RX580, supported by Mojave. What is the proper way to fresh clean install the OS, when Mojave will be released on September 24th? I can make an USB key with the OS, I need to know the proper steps. Do I install the RX580 first? Thanks for posting all details.

1) download the installer from Appstore
2) run it
3) select a newly formatted clean hard drive as destination

Done!
 
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Correct, firmware won’t upgrade from a USB thumb drive install media.
Are we sure though? There was a bug in previous betas where it would prompt to update but then would hang when shutdown was pressed.

Assuming Apple fixed the bug in the latest beta/GM seed then if the OP is on 089 they should be able to apply the required firmware update using an RX 580 and the USB installer.

Has anyone confirmed this not working in the latest Mojave?

Separately, the USB installer does still contain the bug where it detects a GTX 680 as non-Metal and prevents Mojave from being installed.
 
I loaded one of the first Betas and it recognized my GX680 with no problems. Also I did a full clean install of High Sierra first from a USB stick and it prompted me to do the firmware upgrade. You have to look at your installer and see if it has the firmware in it. On your installer just right click and select Show Package Contents then select the folder Resources. The from there find the folder Firmware. Not sure what the current firmware is the installer I have has version MP51_0089_00B.
 
Are we sure though?

It may have been fixed. I know that it wasn’t working when I tried it, but admittedly I can’t test that without a firmware downgrade (which isn’t going to happen). It should be designed work as a matter of common sense, but I can’t raise my right hand and say whether behavior has changed or not.
 
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It may have been fixed. I know that it wasn’t working when I tried it, but admittedly I can’t test that without a firmware downgrade (which isn’t going to happen). It should be designed work as a matter of common sense, butI can’t raise my right hand and say whether behavior has changed or not.
I know it worked until around beta 3 or 4 I think. So who knows.
 
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Try upgrading to High Sierra first then on to Mojave Beta. The High Sierra installer should have the firmware update.
Firmware update was already installed ;)

The issue is that the USB installer claims that no Metal compatible card is installed, despite the 680 being fully compatible with Mojave.
Yes, upgrade from High Sierra works just fine, but it is the only way of getting Mojave on a Mac with a GTX 680, short of drive swapping with another Mac.
 
Firmware update was already installed ;)

The issue is that the USB installer claims that no Metal compatible card is installed, despite the 680 being fully compatible with Mojave.
Yes, upgrade from High Sierra works just fine, but it is the only way of getting Mojave on a Mac with a GTX 680, short of drive swapping with another Mac.

That’s disappointing. I doubt it’s any kind of bug too. I wanted to get one of those cards as my alternate, but I guess it’s back to AMD for a second card.
 
That’s disappointing. I doubt it’s any kind of bug too. I wanted to get one of those cards as my alternate, but I guess it’s back to AMD for a second card.

it sounds like a bug to me

the GTX 680 an officially supported Mac Pro card and we know it does metal

id submit a bug report but I dont have a GTX 680 to bug report with.

but ill make a Mojave USB installer from the latest release and see how it handles my 7950 :) if it gives me issues then I should be able to submit a bug report on that.
 
Firmware update was already installed ;)

The issue is that the USB installer claims that no Metal compatible card is installed, despite the 680 being fully compatible with Mojave.
Yes, upgrade from High Sierra works just fine, but it is the only way of getting Mojave on a Mac with a GTX 680, short of drive swapping with another Mac.


I have same GPU in a Mac Pro 5.1, same issue with a thumb drive. Started the installer App and it went thru the installation.
 
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Just made a Mojave USB installer and booted it on my MP5,1 with its 7950 (set to Mac EFI)

and i was able to launch the installer and get to the "what disk do you want to install too" screen so it looks like the "you dont have a metal card" in this case is a GTX 680 specific bug

I would recommend submitting a bug report before Mojave goes public on the 24th

(it would also be good to hear from other people rocking GTX 680s if they can boot the USB installer and install from it)
 
So, if understand correctly, if I want to use the same disk (Samsung SM951 512GB), the only choice I have is to upgrade from High Sierra? I cannot clean install Mojave from USB thumb directly to SM951 using a Pulse RX580?
 
So, if understand correctly, if I want to use the same disk (Samsung SM951 512GB), the only choice I have is to upgrade from High Sierra? I cannot clean install Mojave from USB thumb directly to SM951 using a Pulse RX580?
Use two drives, one for High Sierra and another for Mojave. From the High Sierra drive, open Mojave installer and select the other disk. You will do a clean install without triggering the USB bug.

Btw: people reported that RX480 and some GTX680/980 are affected by this Metal detection bug.
 
So, if understand correctly, if I want to use the same disk (Samsung SM951 512GB), the only choice I have is to upgrade from High Sierra? I cannot clean install Mojave from USB thumb directly to SM951 using a Pulse RX580?

Is your goal to upgrade your High Sierra install on the SM951 to Mojave? Or is your goal to wipe the SM951 and do a fresh install of Mojave onto it? If the former then why not just run the install from High Sierra? If the latter, then you can use a USB thumb drive to install Mojave.

The thing we're unsure about is if the firmware can update when Mojave is installed from a USB thumb drive. But that's not really a problem either, because you can launch the Mojave installer from within High Sierra--it will prompt to do the firmware update. Then after that is done and you boot back into High Sierra, simply cancel out of the installer. You should also verify that your firmware version is 138.0.0.0.0 in System Profiler.

At that point, if you want to install Mojave from a USB stick onto the same drive your High Sierra install was on then I don't see any reason why you couldn't (since you're using an RX 580, which is fully supported in Mojave).
 
Or is your goal to wipe the SM951 and do a fresh install of Mojave onto it?
That.

At that point, if you want to install Mojave from a USB stick onto the same drive your High Sierra install was on then I don't see any reason why you couldn't (since you're using an RX 580, which is fully supported in Mojave).
Thanks for confirming, I wanted to make sure I'm not forced to swap the video card like into previous High Sierra clean install.
 
That.


Thanks for confirming, I wanted to make sure I'm not forced to swap the video card like into previous High Sierra clean install.

Yes, beginning with Mojave you don't need your stock GPU to flash firmware. So you can keep the RX 580 installed throughout.
 
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