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HP Z220 CMT Workstation install Mojave / Catalina (Clover) & Big sur (Open Core)

I'm trying to install MacOS Big Sur to my HP Z220 (Xeon E3 1225v2, rx470 4gb) on the HDD but install takes a very long time and it seems to me that it hangs for 26 minutes remaining ... is this normal? I think your EFI folder (i7) can install my system, but i don't know if it is.
I have an i7 myself and i think the config.plist is different for a Xeon.

I recommend trying to find out of your system has other chipsets or controllers, and update the EFI folder with the right kext and update your condig.plist
 
I added patches for my xeon, but the installation is still stuck on
unmount (0) / dev
unmount (0) /
I use the latest clover.
 

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Hi I have successfully installed macOS Mojave and Catalina on my HP Z220 (E3 1225-v2, RX470 4gb). I am using OC 0.7 with my SSDT.aml.
I don't recommend using SMBIOS 13.1, 13.2 because they cause kernel panic, I don't know why, I think Intel P4000 graphics do not support macOS stably. I recommend using the SMBIOS iMacPro1,1 or iMac15,1.

About AppleALC221: I was unable to start it, I wrote 11 <0B000000> and 15 <0F000000> in the config.plist layout and it didn't work for me. I created SSDT-HPET.aml but it didn't work for me. So, I use VoodooHDA.kext until I find a solution to this problem. I didn't try install MacOS Big Sur because last time I got # [EB | LOG: EXITBS: START] error, now I think it is because of the default SecureBoot (must be disabled on my PC). My EFI and SSDT-HPET.aml:
 

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Hi. I have a question, when I bought this PC, it had Windows in Legacy mode, but now I want to install Windows in UEFI mode, is it stable? and should i switch the mode from AHCI to AHCI + RAID in bios when i load Windows? Thanks
 
I want to install Windows in UEFI mode, is it stable? and should i switch the mode from AHCI to AHCI + RAID in bios when i load Windows?
Yes, Windows UEFI is stable. Set it to simply AHCI, that's all you need.
 
OC 0.7.1 Xeon E3-1225-V2
 

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Hello dear Z220 users !
Did anyone tried to install MacOS Monterey on our Z220 ?
Thanks for your feedback ! :)
 
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