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Gigabyte Z490 Vision D (Thunderbolt 3) + i5-10400 + AMD RX 580

Some questions and suggestions:
  • Are you running Catalina or Big Sur?
  • Have you tried CSM Support disabled?
  • What is the make/model of the GPU inside the Razer Core X?
  • Is it powered on and connected to Hackintosh before booting macOS?
  • Have you tried pulling the video cable out and reconnecting it?
  • Please post the IOReg file (IORegistryExplorer --> File --> Save As...).
With flashed firmware, we have this post by @jb007:
https://www.tonymacx86.com/threads/...olt-3-i7-9700k-amd-rx-580.267551/post-2094789

@jb007: Did your Razer Core X ever work without firmware flashing?
@CaseySJ From my hazy memory my Razor Core X didn’t work until I flashed the firmware.
 
You don't need separate config files. I triple boot Catalina, Big Sur and the next Big Sur Beta (currently 11.3 beta 1) all with the same config.plist. They are all on separate drives, Catalina and Big Sur on NVMes and Big Sur Beta on an SSD.

Only 1 instance of Opencore. When it boots I just select which OS I want to boot. I have Windows on the machine as well and can choose any OS from the picker.

Thanks, that's much easier. Last year, there was as slight difference in the OC config for Big Sur beta, so I thought that might still apply.

Interestingly, I discovered something unfortunate with Spotlight and multiple macOS installations. If you exclude specific drives in System Preferences>Spotlight>Privacy, those settings are shared between installations. Definitely not ideal, unless there's a fix of which I'm unaware.
 
Over the past couple of days, I've been working on a networking issue regarding the 2.5GbE port. Long story short: I've been upgrading my switch and a few devices to greater than 1GbE speeds. Synology DS1618+ and QNAP switch are 10GbE, and my hack is currently 2.5GbE. I've narrowed the issue down to read speeds only on the 2.5GbE port (1GbE port works at max bandwidth on both read/write). For some reason the read speeds top out at around 80MB/s on the 2.5GbE port. Read/write speeds are max throughput from Windows; no issue. I've already exhausted most of the common troubleshooting options (SMB settings, signing, encryption, MTU, etc.) so I'm 99% sure it's something (driver?) related to just the 2.5GbE port under macOS (Catalina and Big Sur).

Is there anything I can do in the OC config to troubleshoot the issue?

I'll eventually upgrade to this Syba 10GbE card, but I thought it's worth finding a solution in case anyone else has a similar issue.

Side note: in Big Sur, System Prefs>Network>Advanced>Hardware>Duplex is set to full-duplex, flow-control by default (when switching from Configure: Automatic to Manually), whereas in Catalina it's just set to full-duplex. I've read somewhere that ethernet flow-control is not preferred, but I'm no IT guy. I haven't noticed a difference either way in any of my troubleshooting.
 
@CaseySJ From my hazy memory my Razor Core X didn’t work until I flashed the firmware.
Thank you for clarifying. Alas @Higgie is not going to be happy. Unfortunately I mentioned incorrectly that someone had reported the Razer Core X to work with original firmware.
 
Interestingly, I discovered something unfortunate with Spotlight and multiple macOS installations. If you exclude specific drives in System Preferences>Spotlight>Privacy, those settings are shared between installations. Definitely not ideal, unless there's a fix of which I'm unaware.

Not sure if this will work or not but you could try and disable Siri in your iCloud Settings. It is possible that it is picking up your preferences through that and syncing it between your installations. It's worth a try and you can always turn it back on if it hinders anything else.
 
Not sure if this will work or not but you could try and disable Siri in your iCloud Settings. It is possible that it is picking up your preferences through that and syncing it between your installations. It's worth a try and you can always turn it back on if it hinders anything else.

I actually disable Siri on all of my devices. Try to keep wiretaps at a minimum in my life. In all seriousness, though, I just find any of that stuff annoying.

It's not the end of the world if Spotlight shares privacy settings for me since I'm purely using Big Sur for testing purposes. I would be very annoyed otherwise.
 
so the samsung pro 970 avoiding is better and next kraken z53 prevents sleeps. you say, on internal header,
so the fenvi wifi card is not a good choice also?
Fenvi card is okay. The problem is not with the internal header, but with the device connected to it.
 
@CaseySJ Dude! a Million Thanks for your hard work in compiling this Instructional Guide. This is my first time in hackintosh world and I successfully built and run catalina in my unit. I'm still waiting for my Navi GPU to arrive, i will post complete specs of my hardware soon.

Regarding sleep/wake, it's actually working with F1/F2 though my display monitor can't pickup the signal automatically. I need to switch off the monitor first then switch it back on. Is sleep/wake mainly configured for eGPU?
Hello @JMMeFF,

I noticed that there's no Serial number assigned to your system. Your first screenshot (About this Mac) shows that serial number is ** Enter System Serial Number **. Have you specified System Serial Number, Board Serial Number (MLB), System UUID, and ROM in the PlatformInfo --> DataHub section of config.plist as indicated in the guide?

Also note that F1/F2 are meant to change screen brightness. They are not associated with sleep/wake. It sounds as if your monitor does not wake from sleep unless you disconnect and reconnect the video cable. Is that right? If so, what is the make/model of the monitor and are you using the HDMI port or one of the two Thunderbolt ports?
 
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I managed to both install (from usb) and boot Mojave on Z490 Vision D with i9 10850K.
Use iMac19,1 as SystemProductName and for Emulate area (i9 9900K):View attachment 509377
Thank you. Add to Troubleshooting / FAQ section in Post 1.

Screen Shot 2021-02-15 at 9.53.51 AM.png
 
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