Opencore: Boot Loop at AmiShimTimerBostExit changed current period to XXXXX (HP Z400, Legacy BIOS)

Opencore: Boot Loop at AmiShimTimerBostExit changed current period to XXXXX (HP Z400, Legacy BIOS)

Hardware: HP Z400 Workstation
CPU: Intel Xeon W3565 (Bloomfield / Nehalem)
GPU: AMD RX470
RAM: 8GB DDR3 ECC
Motherboard: Proprietary HP 0B4Ch (X58 Chipset)
Audio Codec: Apple ALC
Ethernet Card: Broadcom NetXtreme Gigabit
Wifi/BT-Card: None

What guide/tool followed: dortania (followed all steps CLOSELY)

What part I got an issue with: Opencore (and my configuration prolly)

Opencore Version: 0.7.2 Debug

Slowgeek Sanity Check

Complete Opencore Newb here, had some minor Hackintosh Experience in the past.

Anyway, tried to install Opencore with Mojave (followed the tutorial closely and fulfilled all prerequisites), and the machine crashes out before i see the Apple boot screen. I know some people got their Z400 running with Mojave and Opencore, so this should be possible.

The log actually looked pretty good, cleared all errors that i got before, but my machine just craps itself and reboots. I found some other threads from ppl with the same problems, didn't help unfortunately (i read 'Enabled Execute Disable Bit and it was fixed', but where is that in the plist?)

Can't screw around too much on the BIOS settings, HP workstations are rather restrictive (couldn't find

What files/config I am using:

You can see on this Google Drive share.

Extra Info: I chose a premade SCPI SSDT (the recommended one for my architecture). If that may be the culprit, I'll do or source a custom one ASAP (other Z400 owners, help me plz :C )

Appreciate any kind of help! Could use this machine for recording/mixing music really well right now, i could sell my old mac mini that's now struggling performance-wise. The last 1.5 years were horrible to my jobs / finances as a sound guy

https://preview.redd.it/4n0q5g5ot9f71.png?width=745&format=png&auto=webp&s=b86756b75b1864e670841054ff2cdac712473c79

submitted by /u/DarkPenguinCommander
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