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Asus X99 - Catalina Support

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Hi every one.


Today I successfully updated my hackintosh to OpenCore 0.6.6.

My EFI folder works perfectly fine with Catalina and also with Big Sur.

Please note that my Mother board is an Asus X99-A (no X99A-ii, deluxe, WS, etc) And my CPU is an Intel I7 5820k.
 

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  • OC 0.6.6 Debug MacOS11.2.1 X99-A I7 5820k EFI.zip
    9.1 MB · Views: 190
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Hi every one.


Today I successfully updated my hackintosh to OpenCore 0.6.6.

My EFI folder works perfectly fine with Catalina and also with Big Sur.

Please note that my Mother board is an Asus X99-A (no X99A-ii, deluxe, WS, etc) And my CPU is an Intel I7 5820k.
Hi,
I am very new in Hackintosh and Opencore.
Thank you Seevolas for posting the EFI.
I have Asus X99-A/USB3.1 with i7 5820K
I have 16GB of memory and try to install Catalina on a 500GB Samsung EVO 860 SSD
video card - Quadro K600


I did the ASUS BIOS Firmware Patching, then updated the BIOS settings
I created the USB, copied Seevolas' Opencore 0.6.6 folders to the EFI partition.
updated the smbios information on the config.plist file

The computer booted from the USB, but then stuck at:
*In Memory Panic Stockshot Succeeded*

Can you suggest how to resolve this issue?
Thank you.

I tried the Opencore 0.6.4 version Seevolas uploaded and got the same error.
 

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  • x99panic.jpg
    x99panic.jpg
    2.8 MB · Views: 70
Last edited:
Hi,
I am very new in Hackintosh and Opencore.
Thank you Seevolas for posting the EFI.
I have Asus X99-A/USB3.1 with i7 5820K
I have 16GB of memory and try to install Catalina on a 500GB Samsung EVO 860 SSD
video card - Quadro K600


I did the ASUS BIOS Firmware Patching, then updated the BIOS settings
I created the USB, copied Seevolas' Opencore 0.6.6 folders to the EFI partition.
updated the smbios information on the config.plist file

The computer booted from the USB, but then stuck at:
*In Memory Panic Stockshot Succeeded*

Can you suggest how to resolve this issue?
Thank you.

I tried the Opencore 0.6.4 version Seevolas uploaded and got the same error.
Hi.
Try this one as it is.
 

Attachments

  • EFI.zip
    9 MB · Views: 99
Hi.
Try this one as it is.
Thanks, seevolas.
I used the EFI folder as it but still got the *In Memory Panic Stockshot Succeeded*.
Thanks
 

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  • 224error.jpg
    224error.jpg
    406 KB · Views: 67
Thanks, seevolas.
I used the EFI folder as it but still got the *In Memory Panic Stockshot Succeeded*.
Thanks
Hi again.

Please try this 2 EFI folders.
They are as clean possible.
The difference between them is that V2 has Flash Write enabled.
If none of them work for you, please dump your DSDT and post it here.
It could be that your motherboard version needs some SSDT edits.

Good luck
 

Attachments

  • EFI V1.zip
    9 MB · Views: 91
  • EFI v2 .zip
    9 MB · Views: 91
Hi again.

Please try this 2 EFI folders.
They are as clean possible.
The difference between them is that V2 has Flash Write enabled.
If none of them work for you, please dump your DSDT and post it here.
It could be that your motherboard version needs some SSDT edits.

Good luck
Hello Seevolas,
Thanks for putting the EFI together. Unfortunately, they stuck at the same place.
I used acpidump to dump the DSDT file. Please see attached.
Thank you for your help.
 

Attachments

  • DSDT.aml
    216 KB · Views: 69
Hello Seevolas,
Thanks for putting the EFI together. Unfortunately, they stuck at the same place.
I used acpidump to dump the DSDT file. Please see attached.
Thank you for your help.
Hi again,
I did some edits to your SSDT-RTC0-RANGE.aml

RTC name is RTC
LowPinCount path is LPC0
PCI path is PCI1

This is the V1 EFI with Write Flash set to false. If it fails try enabling it.

Hope this helps.

Please also check your BIOS settings.

Disable​

  • Fast Boot
  • Secure Boot
  • Serial/COM Port
  • Parallel Port
  • CSM

#Enable​


  • Above 4G decoding
  • Hyper-Threading
  • Execute Disable Bit
  • EHCI/XHCI Hand-off
  • SATA Mode: AHCI
 

Attachments

  • EFI.zip
    9 MB · Views: 116
Last edited:
Hi again,
I did some edits to your SSDT-RTC0-RANGE.aml

RTC name is RTC
LowPinCount path is LPC0
PCI path is PCI1

This is the V1 EFI with Write Flash set to false. If it fails try enabling it.

Hope this helps.

Please also check your BIOS settings.

Disable​

  • Fast Boot
  • Secure Boot
  • Serial/COM Port
  • Parallel Port
  • CSM

#Enable​


  • Above 4G decoding
  • Hyper-Threading
  • Execute Disable Bit
  • EHCI/XHCI Hand-off
  • SATA Mode: AHCI
Thank you, Seevolas! Finally had Catalina installed on my x99.
I could boot into the system now. It locked up and rebooted a couple of times. Was this related to the power management settings? Besides copying the EFI folders to the hard drive, what post installation steps did you performed on your x99?

Thanks again for your big help!
 
Thank you, Seevolas! Finally had Catalina installed on my x99.
I could boot into the system now. It locked up and rebooted a couple of times. Was this related to the power management settings? Besides copying the EFI folders to the hard drive, what post installation steps did you performed on your x99?

Thanks again for your big help!
Hi.
Post install can vary a lot from one system to other.

My first step will be to map usb ports.

checking if you actually have an unlocked Msrs. You can use the check tool on picker.

Double check the dortania opencore guide looking for little things you may have missed.
 
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I dug out a Gigabyte X99 Ultra Gaming motherboard together with an i7 6850K and attempted to get MacOS running on it. I had experience with Sierra and High Sierra on a Gigabyte X99-UD4 / i7 5820K combo before and still kept the EFI folders from that time. Using them I had no problems getting preinstalled Sierra and High Sierra partitions to boot up on the new system. Also tried with a preinstalled Mojave installation on a SATA SSD and had little problem getting it to boot using the same performance patches from High Sierra config.plist.

So, onto Catalina. I did not try to install Catalina on the system but just used a preinstalled Catalina 10.15.7 on a SATA SSD to try to boot.

Initially I tried to copy the performance patches from the High Sierra / Mojave installations but Catalina 10.15.7 just refused to boot, hanging at the Apple logo, no matter how many times I tried. I did use the boot argument npci=0x2000 and FakeCPUID 0x0306F2 but still no dice.

So, I decided to start from the beginning and used the original EFI folder generated from Unibeast 10.3.0 and started from there.

Used the boot argument npci=0x2000 and FakeCPUID 0x0306F2, changed the SMBIOS to MacPro6,1, and success! Catalina booted up, no "performance patches" were necessary.

I was a little surprised but delighted that actually just a little modification from the original Unibeast EFI enabled Catalina 10.15.7 to boot up. The included IntelMausi kext enabled the Intel LAN on the motherboard (I deleted the Atheros kext as I don't need the second LAN port.) and the addition of AppleALC 1.5.0 enabled motherboard audio.

So the test is a success. As I don't use this system as my main system I will stop here. Knowing that Sierra / High Sierra / Mojave / Catalina all work well on this system, I can turn to this system or my Z370 system if my main Z390 system has a problem in the future.
 
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