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Asus X299 - Catalina Support

Joined
Oct 19, 2015
Messages
125
Motherboard
ASUS Prime X299 Deluxe
CPU
i9-7980XE
Graphics
Vega FE
Mac
MacBook Air, MacBook Pro
Mobile Phone
iOS
Ok, thanks, that's what I thought and that's what I followed with the exception of using the Catalina specific EFI folder for the creation of the bootable USB installer.

Would anyone be able to help out in with my issue as laid out in this post from Tuesday?
As I said, my MoBo is ASUS X299 Prime Deluxe.

Am I the only one having this issue?
Can anyone shed some light on it?

Thanks again in advance.
When troubleshooting, reduce your configuration to the minimum. Try removing any extra PCI besides graphics and Thunderbolt. Try using only one M.2 drive. Remove any unnecessary drives. Enable or disable Above 4G decoding. I’ve seen all these things throw the allocation errors depending.
 
Joined
Feb 21, 2016
Messages
108
Motherboard
ASRock X299E-ITX/ac
CPU
i7-7820X
Graphics
Vega 56
Mac
MacBook Pro, Mac mini
Mobile Phone
iOS
Any help that would help me resolve the problems and get Catalina going on my Hack Pro would be immensely appreciated.
Maybe try pressing F11 while in Clover boot screen to reset NVRAM?
Just a guess.
 
Joined
Feb 5, 2013
Messages
1,170
Motherboard
Asus X299 WS Sage
CPU
i9-7980XE
Graphics
Radeon VII
Mac
iMac, Mac Pro
Ok, thanks, that's what I thought and that's what I followed with the exception of using the Catalina specific EFI folder for the creation of the bootable USB installer.

Would anyone be able to help out in with my issue as laid out in this post from Tuesday?
As I said, my MoBo is ASUS X299 Prime Deluxe.

Am I the only one having this issue?
Can anyone shed some light on it?

Thanks again in advance.
So, if you are trying to boot from a USB drive to install Catalina, you need to install Clover there, and put a fully finished EFI there. Make sure you use a Clover version that works with Catalina (509x, 5101, etc). Then once Catalina is installed, transfer that EFI to your new boot drive. A "slide" error suggests an issue with AptioFixMemory. As someone has mentioned, SSDT-EC.aml is required for Catalina, but I didn't see it in your EFI upload.

In your bios, once you've added SSDT-EC.aml to your ACPI -> patched folder, try booting with 4G enabled. If that doesn't work, try booting without it enabled to see if you can get your USB drive booted so that you can install Catalina.

Another approach would be to first upgrade to Mojave, following kgp's guide, then move to Catalina (don't forget the SSDT-EC.aml file for Catalina).

In your EFI folder, there are no .aml files. You should add them. The aml files can be found all over github and also here in this forum. You just have to look, and you will find most of them, if not all of them. So review this thread (and yes, that means, maybe, reviewing all of it. And the Asus X299 Support thread, and kgp's guide). You will find what you are looking for if you can take the time to find them.

Good luck.
 
Last edited:
Joined
Mar 28, 2011
Messages
219
Motherboard
Asus Tuf X299 Mark 1
CPU
i9-7900X
Graphics
RX 5700 XT
Mobile Phone
iOS
Hello guys! Someone with an ASUS Prime Deluxe 2 X299 motherboard that can share their BIOS settings, EFI folder and SSDTs?
I have a second PC with i9-10900X, 5700 XT and X299 Prime Deluxe 2.

Thanks.
 
Joined
Apr 18, 2011
Messages
505
Motherboard
ASUS WS X299 SAGE/10G
CPU
i9-10980XE
Graphics
RX 5700 XT
Mac
MacBook Pro
Mobile Phone
iOS
Last edited:
Joined
Oct 19, 2015
Messages
125
Motherboard
ASUS Prime X299 Deluxe
CPU
i9-7980XE
Graphics
Vega FE
Mac
MacBook Air, MacBook Pro
Mobile Phone
iOS
Hey guys, any tips on the Mac Pro 7,1 SMBIOS? I think I have it mostly configured, curious about any fixes for the memory module error or PCI slot GUI in About this Mac.
 
Joined
Feb 5, 2013
Messages
1,170
Motherboard
Asus X299 WS Sage
CPU
i9-7980XE
Graphics
Radeon VII
Mac
iMac, Mac Pro
So, new beta of 10.15.3 is out; 10.15.3 Beta (19D62e) - I'm testing it, and my upgrade was far from perfect.

For the first time in a long time, I had some trouble. I had a KP during the upgrade process, and it stopped dead, forcing a hard reset. It also clearly didn't like my SwitchResX, which I've now removed. Finally, it took a really, really long time to login - like almost 10 minutes.

So.....for the rest of you, unless you're testing it like I am, it might be better to give this one some time to age before you upgrade......
 
Joined
Feb 24, 2013
Messages
2,308
Motherboard
ASUS WS X299 SAGE/10G
CPU
i9-9980XE
Graphics
Radeon VII
Mac
MacBook Pro
Mobile Phone
iOS
Hey guys, any tips on the Mac Pro 7,1 SMBIOS? I think I have it mostly configured, curious about any fixes for the memory module error or PCI slot GUI in About this Mac.
Works fine here. Just that memory error once during boot and that's it. I'm sure someone will figure it out soon.
 
Joined
Feb 5, 2013
Messages
1,170
Motherboard
Asus X299 WS Sage
CPU
i9-7980XE
Graphics
Radeon VII
Mac
iMac, Mac Pro
I will say this: now that it's up and running, it seems fine. After the first login, subsequent logins have been normal. Of course, more time will tell better whether it's really stable or not - it is, after all, a beta. I believe that Apple did something with the audio, and my graphics scores also seem a tad bit better (5%). As this is a test machine, I will stay with it to see how it all works out.
 
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