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MP All Models PCIe SSDs - NVMe & AHCI

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The first post of this thread is a WikiPost and can be edited by anyone with the appropiate permissions. Your edits will be public.
******* said:
I mean postcheck, from the blank screen, of course.
Click to expand...

So about 25 seconds including the post? That about matched the speed of a SATA III ssd on the SATA II bus.
BelgianBoy said:
Now something strage is happening: my MP sometimes just restarts without warning.
Very unsetteling. He does that also when it is idling.
Click to expand...

If you can manage looking through a log file, your random restart problems are probably documented on your mac pro and can be exposed with this terminal command. In your case look for last shutdown:

sudo log show --predicate "processID == 0" --start $(date "+%Y-%m-%d") --debug​

It shows all of today's kernel msgs, including the boot process. If you only want the msgs since reboot, enter the date and time manually, like this, in 24h format:

sudo log show --predicate "processID == 0" --start "2018-10-28 13:19:00" --debug​
 
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BelgianBoy said:
Bootdrive NVMe is with heavy heatsink (kryoM.2 evo PCIe 3.0 x4 Adapter für M.2 NGFF PCIe SSD, M-Key mit Passivkühler) 35-38° celsius. Failing drive is the original MP 5.1 drive (old enough!) Already ordered replacement.
Click to expand...

In the meatime, do you have another adapter just for test?
 
This is what is says, chinese to me. (no coder).
[doublepost=1549914574][/doublepost]
******* said:
In the meatime, do you have another adapter just for test?
Click to expand...
Nope. Should I?
[doublepost=1549915024][/doublepost]I'm now back on my former startupdisc (old pci ssd from OWC). If nothing happens here does that indicate something?
 

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BelgianBoy said:
This is what is says, chinese to me. (no coder).
[doublepost=1549914574][/doublepost]
Nope. Should I?
[doublepost=1549915024][/doublepost]I'm now back on my former startupdisc (old pci ssd from OWC). If nothing happens here does that indicate something?
Click to expand...

Just to delimit the problem
 
Last edited:
BelgianBoy said:
This is what is says, chinese to me. (no coder).
[doublepost=1549914574][/doublepost]
Nope. Should I?
[doublepost=1549915024][/doublepost]I'm now back on my former startupdisc (old pci ssd from OWC). If nothing happens here does that indicate something?
Click to expand...

Was there luck? No reboots with your old startup drive?
 
Can't find how to do that online. Tried the only thing i found on apple site: press "d" at startup. Failed.
So how do i do that on my cMP 5.1 in HS.
 
BelgianBoy said:
Tried to understand the method. Is not clear to me.
Besides this is old info i think: "guid partition" in HS seems impossible.
Click to expand...
Download the AHT for your computer model and use the contents to restore (unhide and copy) copy to
/System/Library/CoreServices/.diagnostics folder, then reboot while holding d to start the diagnostic tools.
/.diagnostics folder is hidden so you have to unhide it :
Open Finder and navigate to the folder you wish to use. Press the key combination Command-Shift-. (Period) to toggle between the two states.
 
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Is this hidden or not. Shortcut toggle does not seem to work.
Schermafdruk 2019-02-12 20.41.28.jpg
 
BelgianBoy said:
Is this hidden or not. Shortcut toggle does not seem to work.
View attachment 821495
Click to expand...
Well this is unhidden .if it was hidden you would not be able to see it. Don't copy the whole folder just the contents . You see that file diags.efi together with the rest of them should go to the other diags.efi ( you don't need to override it) .
After you are done with copying hide the folder again .
 
startergo said:
Well this is unhidden .if it was hidden you would not be able to see it. Don't copy the whole folder just the contents . You see that file diags.efi together with the rest of them should go to the other diags.efi ( you don't need to override it) .
After you are done with copying hide the folder again .
Click to expand...

Sorry, wich diags.efi ? The left one into the right folder (Mac-F221BEC8) or what? together with the rest of them?
 
Hide folder before startup? Why? Tried startup with d pressed: no result.
Or should it be D? (shift-d)
 
Last edited:
BelgianBoy said:
Hide folder before startup? Why? Tried startup with d pressed: no result.
Or should it be D? (shift-d)
Click to expand...
Code: 
Sudo bless -- folder "/System/Library/CoreServices"
And try hiding the folder and then hold d at reboot.
[doublepost=1550008717][/doublepost]or download this file change to the downloaded directory in terminal and run:
Code: 
sudo ./AHT-my-disk.sh
 
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Mac-Pro-van-Jan-P-Wouters:~ janwouters$ Sudo bless -- folder "/System/Library/CoreServices"
Password:
No volume specified
Mac-Pro-van-Jan-P-Wouters:~ janwouters$

What I get. Seems NOT ok.
[doublepost=1550048990][/doublepost]Nothing works. Again, I don't code.
 
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