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Didn't know this. I've been upgrading my Boot ROM from a USB installer. I'm using a USB 3 card with a USB hub plugged in. Done it 3 or 4 times now without a problem.

Lou
How you can boot from USB3.0?

The problem happens from booting a createinstallmedia USB installer, the installer can't shutdown the Mac Pro to start the firmware upgrade. Some people can correctly shutdown, most don't, so the recommendation is to not use createinstallmedia USB installer to upgrade MP5,1 BootROM and do it from macOS.
 
^^^^That's not what I do. I open the MacOS from the USB installer. Get the message about the FW update. I then restart and hold the start button after the tone. The installer then does it's stuff.

Edit - I use DiskMaker X to create my installer.

Lou
 
^^^^That's not what I do. I open the MacOS from the USB installer. Get the message about the FW update. I then restart and hold the start button after the tone. The installer then does it's stuff.

Lou
So you are not booting from a createinstallmedia USB installer and don't have the problem that I described.
 
The recommended python script had an issue on my development Mac Pro with xattr not being found in my python 2.7x installation. Drat. On a coding deadline, now is not the time to screw with my python install.

While not recommended....

I used dosdudes tool to download Mojave 10.14.5 to do the firmware upgrade by double clicking on the installer and following the reboot prompts. I did not create any install media.

After a successful 144 firmware boot, I used system update to install the 10.14.5 upgrade.

The new firmware fixes a usb initialization issue I’ve had with my mouse for the last 5 years that forced me to replug the device on every cold boot or after returning from a deep sleep.
 
Full mitigation and take a 40% performance hit, or risk hackers stealing sensitive info. Not good choices, intel.
We should all write Intel with thousands of requests to issue the updated microcodes to Apple for the Xeons they aren't updating. That would solve a lot of issues. Intel directly said that it would only be as much as a 3% performance hit and up to 9% for data centers. I guess that's if they update it the right way with the microcodes.
 
Had anyone luck with upgrading the firmware using a PCIe boot drive? I know that this may cause problems, but I don't have a spare SATA drive and right now I can't get it to work using the PCIe drive.
 
Had anyone luck with upgrading the firmware using a PCIe boot drive? I know that this may cause problems, but I don't have a spare SATA drive and right now I can't get it to work using the PCIe drive.

I am using 960gigs of kingston nvme ssd and i upgraded to 144 yesterday by using 10.14.5 mojave installer.
 
I am using 960gigs of kingston nvme ssd and i upgraded to 144 yesterday by using 10.14.5 mojave installer.

Hmm ... interesting. I'm using a Samsung 970 EVO, but after I hold the power button to bring up the firmware update I just get a black screen and that's it.
 
Hmm ... interesting. I'm using a Samsung 970 EVO, but after I hold the power button to bring up the firmware update I just get a black screen and that's it.

Are you trying to upgrade with installer from appstore?
 
I would like to report successful upgrade to 10.14.5 and Bootrom upgrade to 144.0.0.0.

MacOS boot drive is an M2. HP EX920 512G NVMe running on an el cheapo PCI card installed at SLOT 4.

Everything went smooth as butter.
 
Yes. I launch the installer and it tells me to update my firmware (I'm currently on 140). Then I click on "Shut Down" and wait for the machine to power off. Afterwards I hold down the power button until I hear a long beep and the machine powers up again. But then it's just a black screen. Waited like 20 minutes and then forced a reboot.
 
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Yes. I launch the installer and it tells me to update my firmware (I'm currently on 140). Then I hit the "Shut Down" button and wait for the machine to power off. Afterwards I hold down the power button until I hear a long beep and the machine powers up again. But then it's just a black screen. Waited like 20 minutes and then forced a reboot.

You should wait experts here to see your problem :) i did what you explained and had no problem. If that will be helpfull, try to nvram reset first then try to upgrade again.
 
Eneco

You need the FULL 6gb installer. you can use the dosdude's "macOS Mojave Patcher. http://dosdude1.com/mojave/

Just go to the TOOLS menu and download the full 6gb Mojave installer - don't use the app for anything else if you have either a 4,1 or a 5,1 cMP

hknatm

Please make a SIGNATURE file ( in your Macrumors profile ) to tell us everything about your Mac Pro.

My SIGNATURE is at the bottom of this post.
 
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Eneco

You need the FULL 6gb installer. you can use the dosdude's "macOS Mojave Patcher. http://dosdude1.com/mojave/

Just go to the TOOLS menu and download the full 6gb Mojave installer - don't use the app for anything else if you have either a 4,1 or a 5,1 cMP

( I'm assuming that you already have Mojave installed on an APFS formatted SSD )

I'm using the full installer from the App Store. Shouldn't it work with that?
 
I'm using the full installer from the App Store. Shouldn't it work with that?

The FULL installer is 6.04gb in size, ONLY this one will allow the firmware upgrade.
Use dosdude1's Mojave patcher tool - read my previous post and posts #3505 & #3506.

ONLY use the TOOLs menu option to download the FULL 10.15.5 6.04gb installer.
 
The FULL installer is 6.04gb in size. Only this one will allow the firmware upgrade.

to be pedantic, you only need the MacOS installer.app which in some instances is only a couple 100MB in size

for example you can install the 10.14.5 update normally

then boot into your recovery partition and install the MacPro5,1 firmware update that way to avoid having to download another 6GB of data :)
 
The FULL installer is 6.04gb in size, ONLY this one will allow the firmware upgrade.
Use dosdude1's Mojave patcher tool - read my previous post and posts #3505 & #3506.

ONLY use the TOOLs menu option to download the FULL 10.15.5 6.04gb installer.

As I said, I downloaded the full installer directly from the App Store with 6.04 GB in size. Why should I use a third party tool if I can get it directly from Apple which seems more save to me.
 
10.14.5 and Security Update 2019-003 have different BootROMs. .....

what's the difference?

why do I ask?

i have 2 boot SSD (HS and mojave)
mainly I use the HS SSD (HFS+)

wait actually to the complete change on mojave only
until diskwarrior can finally repair APFS volumes as well.

therefore just the bootrom update by means of security update under HS
or under mojave?

and will that cause a problem with the dual boot?
 
As I said, I downloaded the full installer directly from the App Store with 6.04 GB in size. Why should I use a third party tool if I can get it directly from Apple which seems more save to me.

"SAFE" = adjective. . not "SAVE" = verb.

OK, have it your own way.

I'm on bootrom 144.0.0.0.0 . . . you are not.
 
"SAFE" = adjective. . not "SAVE" = verb.

OK, have it your own way.

I'm on bootrom 144.0.0.0.0 . . . you are not.

Excuse me? When did we go down that road? No reason to be cocky. It's great that you have been teaching english for 20 years, but we are discussing technical difficulties here.

I simply don't understand why I should download the full installer, that I already have, from a different source again? What's the point? Why should this one work and Apple's official version doesn't? Is this a modified version? If so, what's the difference?
 
Excuse me? When did we go down that road? No reason to be cocky. It's great that you have been teaching english for 20 years, but we are discussing technical difficulties here.

I simply don't understand why I should download the full installer, that I already have, from a different source again? What's the point? Why should this one work and Apple's official version doesn't? Is this a modified version? If so, what's the difference?
I'd say that the people who posted #3505 & #3506 know what they are talking about.
 
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