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How to build your own iMac Pro [Successful Build/Extended Guide]

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Hi everyone,

Inspired by this thread and after spending sleepless nights deliberating the pros and cons (such as, why not just go with an EGPU for my thermal-throttled Macbook), I signed up here today. I just finished ordering a pile of components for my (hopefully) soon to be Hackintosh #2… my first one was a Dell PC in 2005 or so, which means that I'm a bit out of shape.

My initial build is supposed to look like this:
  • Intel Core i9-7940X [1068€]
  • Asus Prime X299 Deluxe [400€]
  • EVGA GeForce GTX 1080 Ti FTW3 Gaming [800€]
  • Corsair Hydro Series H150i [166€]
  • G.Skill Ripjaws V 32GB DDR4-2666 [301€]
  • BeQuiet! Dark Power Pro 11 850W [190€]
  • Samsung 960 Evo2 500GB SSD (taken from old Macbook) [0€]
  • Generic 1TB HDD (taken from old iMac) [0€]
  • Thermaltake Core V51 Enclosure [103€]
  • Apple Bluetooth Keyboard and Mouse (taken from old iMac) [0€]
  • OSX 10.13.6, latest build
(Running total: 3028€)

Now while I'm waiting for the deliveries, some stupid questions to begin with:
  1. Do the instructions in post #1 of this thread reflect the current state of the art, or are the subsequent 1002 forum pages considered mandatory reading in order to get all the updates?
  2. I briefly glossed over Multibeast and Unibeast, and it seems that Multibeast now incorporates some X299 specific changes in the latest version. Does this mean that one could do a successful 79xx/X299-based installation with Unibeast/Multibeast as well?
  3. I have a SSD from a previous Macbook which contains a 10.13.6 installation as well as my apps. If possible, I would prefer not to install all apps from scratch again. Is it feasible to overwrite the EFI partition of the SSD with the EFI files/folders as described in post #1, install the SSD as an internal drive, and install 10.13.6 from the USB boot drive over the preexisting SSD OSX partition (which should result in preserving my existing apps and data)? Or do I really have to format everything and start from scratch with an empty disk?
Thanks for your help!

I have 2 identical builds, one with a Vega 64 and one with a 1050Ti. Definitely the one I've had most trouble with is the one with the NVidia card. I'm able to work with that machine and everything, but the Vega was way smoother to install and doesn't need any additional drivers. If I ever build another machine I would definitely go with a Nitro+ Vega 64.
 
Thanks for all your answers.



With my real Mac (MBP) I never had this issue so I can't test it there.
The USB hard drives were from Seagate, also tested pen drives by SanDisk and others. So far all behave the same.
Will have a look into Mountain, thanks.





Thanks for your kext and uploads, @izo1

I will have a look into it.

As I have the ASUS Prime Deluxe mobo I followed kgp's guide and use his SSDTs (the EFI contribution with three SSDTs) as well as USB kext, without USBInjectAll, but with port limit patch.
I deactivated the patch as well as the kext, but the eject problem was still there (not trying the Spotlight workaround though).

As I don't use all my USB ports anyway, I will have a look in stripping down kgp's kext and deactivate some USB 2 functions to stay under the amount of 15 ports and after that deactivate the port limit patch.
This would also make future system updates maybe a bit smoother.



I also tried disabling XMP (found somewhere) -> but made no difference

In one forum someone solved it by disabling BIOS setting 'Internal CPU PLL Overvoltage'.
It looks like it was a Gigabyte mobo (GA-Z77X-UP5 TH). Is this setting also available in the Designare?
@[fingers-crossed
I might have a workaround solution for you. I just crossed an app called Jettison by St Clair. It does exactly what you're looking for.
 
Last edited:
For your 3rd question, yes it's entirely possible (reusing the ssd)

I've alway reused my system drives. in fact, for my upgrade to my 7940, I just did.

Most of the adjustments and adaptations for your new motherboard and hardware occur in Clover, not in the system drive.

While it's true that some files get installed on the system drive in /Library/Extensions/ folder, more and more these files do not affect using and booting from the system drive. Personally, I install most/all of the kexts I need in Clover, not in /L/E/ folder.
 
The CP-PR replacements for i9-7940X:
Code:
                <dict>
                    <key>Comment</key>
                    <string>CP00 -&gt; PR00</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AwMA==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFIwMA==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP01 -&gt; PR01</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AwMQ==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFIwMQ==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP02 -&gt; PR02</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AwMg==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFIwMg==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP03 -&gt; PR03</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AwMw==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFIwMw==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP04 -&gt; PR04</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AwNA==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFIwNA==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP05 -&gt; PR05</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AwNQ==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFIwNQ==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP06 -&gt; PR06</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AwNg==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFIwNg==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP07 -&gt; PR07</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AwNw==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFIwNw==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP08 -&gt; PR08</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AwOA==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFIwOA==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP09 -&gt; PR09</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AwOQ==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFIwOQ==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP0A -&gt; PR10</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AwQQ==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFIxMA==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP0B -&gt; PR11</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AwQg==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFIxMQ==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP0C -&gt; PR12</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AwQw==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFIxMg==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP0D -&gt; PR13</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AwRA==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFIxMw==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP0E -&gt; PR28</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AwRQ==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFIyOA==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP0F -&gt; PR29</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AwRg==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFIyOQ==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP10 -&gt; PR14</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AxMA==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFIxNA==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP11 -&gt; PR15</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AxMQ==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFIxNQ==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP12 -&gt; PR16</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AxMg==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFIxNg==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP13 -&gt; PR17</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AxMw==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFIxNw==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP14 -&gt; PR18</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AxNA==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFIxOA==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP15 -&gt; PR19</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AxNQ==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFIxOQ==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP16 -&gt; PR20</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AxNg==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFIyMA==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP17 -&gt; PR21</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AxNw==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFIyMQ==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP18 -&gt; PR22</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AxOA==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFIyMg==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP19 -&gt; PR23</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AxOQ==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFIyMw==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP1A -&gt; PR24</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AxQQ==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFIyNA==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP1B -&gt; PR25</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AxQg==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFIyNQ==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP1C -&gt; PR26</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AxQw==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFIyNg==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP1D -&gt; PR27</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AxRA==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFIyNw==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP1E -&gt; PR30</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AxRQ==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFIzMA==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP1F -&gt; PR31</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AxRg==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFIzMQ==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP20 -&gt; PR32</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AyMA==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFIzMg==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP21 -&gt; PR33</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AyMQ==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFIzMw==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP22 -&gt; PR34</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AyMg==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFIzNA==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP23 -&gt; PR35</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AyMw==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFIzNQ==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP24 -&gt; PR36</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AyNA==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFIzNg==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP25 -&gt; PR37</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AyNQ==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFIzNw==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP26 -&gt; PR46</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AyNg==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFI0Ng==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP27 -&gt; PR47</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AyNw==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFI0Nw==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP28 -&gt; PR48</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AyOA==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFI0OA==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP29 -&gt; PR49</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AyOQ==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFI0OQ==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP2A -&gt; PR38</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AyQQ==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFIzOA==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP2B -&gt; PR39</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AyQg==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFIzOQ==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP2C -&gt; PR40</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AyQw==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFI0MA==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP2D -&gt; PR41</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AyRA==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFI0MQ==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP2E -&gt; PR42</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AyRQ==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFI0Mg==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP2F -&gt; PR43</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AyRg==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFI0Mw==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP30 -&gt; PR44</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AzMA==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFI0NA==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP31 -&gt; PR45</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AzMQ==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFI0NQ==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP32 -&gt; PR50</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AzMg==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFI1MA==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP33 -&gt; PR51</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AzMw==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFI1MQ==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP34 -&gt; PR52</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AzNA==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFI1Mg==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP35 -&gt; PR53</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AzNQ==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFI1Mw==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP36 -&gt; PR54</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AzNg==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFI1NA==
                    </data>
                </dict>
                <dict>
                    <key>Comment</key>
                    <string>CP37 -&gt; PR55</string>
                    <key>Disabled</key>
                    <false/>
                    <key>Find</key>
                    <data>
                    Q1AzNw==
                    </data>
                    <key>Replace</key>
                    <data>
                    UFI1NQ==
                    </data>
                </dict>

IOreg screenshot:
upload_2018-8-14_17-32-53-png.346289

Can you please tell me how I can implement this for my 7940X?
 
Back to work ;)...

Apparently, we are still missing a i9-7920X code snipped for respective CPxx->PRxx ACPI replacements.

Anybody with a i9-7920X willing to contribute?

Thanks in advance,

KGP
 
Back to work ;)...

Apparently, we are still missing a i9-7920X code snipped for respective CPxx->PRxx ACPI replacements.

Anybody with a i9-7920X willing to contribute?

Thanks in advance,

KGP

Can you please explain me the purpose of these ACPI replacements for CPUs? Thanks.
 
Back to work ;)...

Apparently, we are still missing a i9-7920X code snipped for respective CPxx->PRxx ACPI replacements.

Anybody with a i9-7920X willing to contribute?

Thanks in advance,

KGP

My machine has this CPU in question on a Gigabyte X299 UD4 (built April 2018)

10.13.6_17G65.png


But I don't know how to create such a snippet.

* should it be a terminal command line like ioreg -option -option > CPU_ACPI.info ??
* on the other hand: latest Xcode for 10.13 is installed...

That is because I didn't all these elaborated things described here in this thread.
And above all I didn't any ACPI replacement & nor even by hand.
So, these snippet values (if I would be able to generate them) are probably not useful for you?

Despite of that this machine does it very well in my opinion:

geekbench.png

opencl.png


However: It would be nice if I can help you...
 
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Sorry.. I am on holidays.. cannot look to it before Wednesday next week..
Hi again @kgp, Just following up. I still am stuck at productbuild --distribution ./091-94326/091-94326.English.dist --package-path ./091-94326/ installer.pkg. Am i missing some step possibly? thanks!
 
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