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X79 Dual Xeon 2689 Catalina


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I'm trying to install macOS on my X79 rigs which are bought from Aliexpress and having some issues:

  1. I cannot boot without the flag cpus=1 as I always endup with a memory panic message.
  2. If I boot with flag cpus=1, it takes quite long to boot into Installation screen. After reboot from the installation (I'm trying to make an internet installation), I cannot pass the apple logo screen with the text "Estimating time remaining" which seems to last forever.

Could you give me some suggestion to boot the without flag cpus=1? I'm suspecting it's causing the long lasting "Estimating time remaining" message and my pc possibly won't run at full speed if the macOS installation succeeds (I'm using 2 cpu Xeon E5 2689)

Here is details about my rigs:

Here is some of my BIOS settings:

  • Legacy USB Support: [Enabled]
  • XHCI Hand-off: [Enabled]
  • EHCI Hand-off: [Enabled]
  • Hyper-threading: [Enabled]
  • Active Processor Cores: [All]
  • Serial Port: [Disabled]
  • Intel(R) VT-d : [Disabled]
  • Launch CSM: [Enabled]
  • Boot option filter: [UEFI only]
  • Launch Storage OpROM policy : [UEFI only]
  • Launch Video OpROM policy : [UEFI only]


My EFI folder is in the attachment

EFI.7z

Edited by Hai Ngo
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I still cannot boot into macOS installation in USB. Here are screenshots before the prohibited sign appeared with and without Usbinjectall 

spacer.pngspacer.png

Could you give me some suggestions to fix this issue?

@MaLd0n Could you tell me how did you get the DSDT file you gave me? It fixed the my memory panic issue so an explanation will be useful later I believe :D

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  • 2 weeks later...
  • 1 month later...
  • Administrators
<dict>
					<key>Find</key>
					<data>oAqTU1RBUwE=</data>
					<key>Replace</key>
					<data>oAqRCv8L//8=</data>
					<key>Disabled</key>
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					<key>Comment</key>
					<string>Fix bug RTC</string>
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					<false/>
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					<string>CUU0</string>
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				<dict>
					<key>Find</key>
					<data>cA1DUFVTQ0sxAENVVTE=</data>
					<key>Replace</key>
					<data>AAAAAAAAAAAAAAAAAAA=</data>
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				<dict>
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					<string>CUU2</string>
				</dict>
				<dict>
					<key>Find</key>
					<data>cA1DUFVTQ0szAENVVTM=</data>
					<key>Replace</key>
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					<key>Disabled</key>
					<false/>
					<key>Comment</key>
					<string>CUU3</string>
				</dict>

 

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