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[GUIDE] Catalina on HP EliteDesk 800 G4/G5 Mini - The Perfect MacMini8,1 Hackintosh - CLOVER & OC

deeveedee said:
If you want to create a new thread for your 600 G3 Mini (separate from this g4/g5 mini) and post a link to your new thread here, we can continue the conversation and debugging there. Thanks!
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Sure I will! It wasn't my intention to overload this thread, I'm sorry.
I'll edit this post with the link as soon as I make the new thread.

deeveedee said:
I just applied the most recent Catalina 10.15.7 security update and Safari 14.0.2 update without any issues.
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I can confirm all OK also on my system, the update went fine in less than 10 minutes. I didn't observed any screen flickering or RTC corruption.
 
vascorosso said:
Sure I will! It wasn't my intention to overload this thread, I'm sorry.
I'll edit this post with the link as soon as I make the new thread.
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No problem! You didn't overload this thread and you did the right thing. I think it would be easier to have a new thread, since it's clear that the 600 G3 Mini will be different from the 800 G4/G5 Mini. You did fine.

vascorosso said:
I can confirm all OK also on my system, the update went fine in less than 10 minutes. I didn't observed any screen flickering or RTC corruption.
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Were you using RTCMemoryFixup.kext with rtcfx_exclude=00-FF?
 
deeveedee said:
Were you using RTCMemoryFixup.kext with rtcfx_exclude=00-FF?
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I just checked and I was using the Clover FixRTC ACPI patch (which I forgot this night when I was switching back and forth between that and the RTCMemoryFixup kext for testing).

In your case, could it be that during one of the restarts RTCMemoryFixup.kext were not loaded, so the RTC corrupted in that moment?
 
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I think that I have resolved the elevated temperature issue with my drives. My 800 G4 Mini has one mechanical SATA6 HD and two M.2 NVMe SSDs (one for macOS and one for Windows - my system defaults to boot macOS and I press F9 at boot if I want to run Windows). I had installed the macOS M.2 NVME SSD in the M.2 slot closest to the mechanical SATA6 HD (used for TimeMachine, full backups and general storage). In this configuration, my two most used drives were closest to each other. I swapped the two M.2 NVMe SSDs (creating separation between the HD and macOS NVMe SSD) and drive temps have dropped. Not surprisingly, the M.2 NVMe SSD closest to the SATA6 HD (installation made possible by this mod here) and the SATA6 HD can warm each other. After the M.2 swap, my SATA6 HD temp is lower by 5 deg C and my macOS M.2 NVMe SSD temp is lower by 3 deg C.

I will continue to monitor this, but I think this is the solution.

NOTE: I am running without NVMeFix.kext.

EDIT: I had a CLOVER Trim patch enabled in my config.plist (KernelandKextPatches > KextsToPatch). This patch is not necessary and I have disabled it. SSD TRIM is still enabled without this patch.

UPDATE: Ambient temp in my office is 26 deg C (a little warm). My drive temps are behaving nicely after swapping the M.2 SSDs. Idle temps at 10-11 deg C above ambient with the tiny EliteDesk 800 G4 Mini enclosure seems very good to me. The WDS500 is my macOS SSD and the ST2000 is my SATA6 HD.

Screen Shot 2020-12-15 at 12.52.03 PM.png
 
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vascorosso said:
I just checked and I was using the Clover FixRTC ACPI patch (which I forgot this night when I was switching back and forth between that and the RTCMemoryFixup kext for testing).

In your case, could it be that during one of the restarts RTCMemoryFixup.kext were not loaded, so the RTC corrupted in that moment?
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My G4 Mini is not running with FixRTC or RTCMemoryFixup.kext. I rarely see the RTC corruption and I never see RTC corruption during normal operation, so it's a low priority for me. Based on what I have observed in this Catalina thread and the Big Sur thread, I'd say that HP has gradually made RTC improvements from G3 to G4 to G5. It doesn't appear that G5 has any RTC issues and doesn't require any RTC patches.
 
FYI: For those wondering why I haven't been active with OC/BS lately, see here.
 
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deeveedee said:
Good news for microphone users - User @v.osypets in another forum shared his AppleALC.kext v1.5.5 with me. He has fixed the microphone/audio input. It's not mine to share, but if you look at my HP EliteDesk 800 G4 Mini thread in the other forum, you'll find the shared kext near the end of the thread.

I'm testing now and microphone seems to be working. Hopefully this is submitted to Acidenthera. Also fixed is the "relocation error" that I observed here.
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How did you get the ALC221 to work? I am on 11.1 with latest kexts and OC 0.6.5 (following ALC troubleshooting) but it still does show up in Audio devices. Using layout-id=11 (or 15).
 
taskrov said:
How did you get the ALC221 to work? I am on 11.1 with latest kexts and OC 0.6.5 (following ALC troubleshooting) but it still does show up in Audio devices. Using layout-id=11 (or 15).
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In this thread (for the HP EliteDesk 800 G4/G4 Mini), we're not using ALC221 (the G4/G5 Minis have Conexant CX20632). I did a quick search for "AppleALC.kext ALC221" and see others who have suggested using VoodooHDA.kext for that CODEC.
 
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Delek said:
I also remove DataHubDxe and NvmExpressDxe and changed VBoxHfs to HFSPlus. Many people recommend using HFSPlus. My Samsung NVMe working fine (temp +52 °C with NVMeFix.kext).
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Thanks for the tip! I have removed NvmExpressDxe.efi driver (still CLOVER r5122) and Catalina 10.15.7 boots fine. My system does not boot without DataHubDxe, although I have read other places that DataHubDxe may not be required.
 
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