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Confirmed that the following works with my Sapphire Pulse RX 5500 XT 8GB: <key>Add</key> <dict> <key>PciRoot(0x0)/Pci(0x1,0x0)/Pci(0x0,0x0)/Pci(0x0,0x0)/Pci(0x0,0x0)</key> <dict> <key>@0,name</key> <string>ATY,Python</string> <key>@1,name</key>...

Yes, in a sense. I switched to OpenCore, starting with version 0.5.7 a few months back, and updated without a problem. I'm now on OpenCore0.5.9 and haven't had any issues.

Well crap, I didn't think of that. Thank you!

This is fantastic! I'm going to start a build here in a few days with the ASUS Prime Z370-A II, i9-9900K (no OC'ing), and Sapphire RX580. I wanted something that would just work and be as rock solid as possible and emulate the i9 iMac. Looking forward to using what you've created! Thank you.

Hi, I've got some money to spend, and what I'd like to do is build a stable system that more or less emulates the 2019 iMac with the i9-9900k (no OCing). I'd like as minimal configuration possible with as much working OOB. What MB would you recommend? I keep seeing a lot of discourse over...

I've got this one from Gigabyte. I went back to my Mojave install for the time being, and I think I'll try a clean install of Catalina over the weekend and see what happens.

Yeah, I tried unplugging and plugging in to the two other DP outputs on back of the RX570, just one at a time, and get nothing with DP unfortunately.

I did try removing WhateverGreen, and still no go. Now, I did find that display won't come up with HDMI plugged in on boot. I have boot, unplug HDMI, plug it back in, and it's good to go. Not the same with DisplayPort unfortunately.

Okay, here's something new: My setup is two 4k displays, DisplayPort output from the RX570. I unplugged both displays, and ran a HDMI cable from the RX570 to just one of the displays, and the login screen shows up on the display now. If I plug my second display in via DisplayPort, it gets...

Hmm, any other ideas? It seems like the IGPU stuff shouldn't even matter if it's disabled in the BIOS.

Still the same result: DGPU drops signal to displays, and it sounds like login screen STILL loads. I tried booting my old Mojave drive with the supplied EFI folder and it does the exact same thing. I can access my old Mojave drive if I boot using the Mojave USB installer I created though.

Okay, I disabled IGPU in the BIOS, and while it boots, the DGPU drops signal to the displays and they go blank into sleep mode. I know the login screen loads because I can hear sounds.

I gave that a whirl and I'm still getting [IGPU] Hash data from ME never returned, status = 1, doing retry #. The only thing different is that before, the Apple loading screen would instantly come on and the progress bar would be at 90%. With the EFI you provided it's back to normal and the...

Attached is the ZIP of the folder. Thanks!

Hi, I updated to Catalina 10.15.1 this morning, and now I've got some boot issues that I could use some help with. Before updated to Catalina I updated Clover to the latest build, and all my kexts (Lilu and WhateverGreen). Otherwise I use FakeSMC, AppleALC, IntelMausiEthernet, and USBInjectAll...