Precision 7820 Hackintosh

macOS 10.15 Catalina on Dell Precision 7820 with OpenCore. Currently working with 10.15.3! If you find something broken, please make a PR!

The docs & tools that helped me set this up are here, a big thanks to:

• OpenCore Vanilla Desktop Guide
• RehabMan's SSDT USB port mapping
• USBMap and SSDTTime
• OpenCore Configurator

Getting Started

Point this at EFI directory of a USB stick or the ESP from your new install. It will download OpenCore + all needed drivers and kernel extensions from the original authors.

./make_efi.sh path_to_efi_dir

Hardware & Compatibility

I would love to hear feedback about this configuration from someone with a dual CPU machine!

It works on my machine™

• 1x Xeon Silver 4114
• 32 GB DDR4 2400
• AMD 7870
  • If someone else has this old thing, add radgpu=15 to your kernel args

Working

• USB 3 A/C
• USB 2
• Audio
• Ethernet
• Sleep

Not working / unknown

• Thunderbolt
• SD Card Reader
  • Supposedly this should be easy

OpenCore Settings

It took a while to get everything into place, so an outline of config.plist may be useful for others.

ACPI

Patches

• SSDTTime generated
  • TMR IRQ 0
  • RTC IRQ 8
  • HPET _CRS to XCRS
• From RehabMan tutorials
  • EHC1 to EH01
  • EHC2 to EH02
  • Rename XHCI to XHC
  • Rename XHC1 to XHC

SSDT

USB ports will not work without the RehabMan SSDTs below

• SSDTTime generated
  • HPET
  • PLUG
  • EC
• RehabMan
  • XOSI
  • UIAC for UsbInjectAll

Booter

I haven't touched this since I was randomly toggling things on and off to avoid KPs, so maybe a bunch of this stuff can be disabled

Quirks

• slide related
  • EnableSafeModeSlide
  • DevirtualiseMmio
  • ProvideCustomSlide
• AvoidRuntimeDefrag
• ShrinkMemoryMap
• SetupVirtualMap
• EnableWriteUnprotector

Kernel

The *Xcpm quirks are super important and the system will not boot without them

Add

• Lilu
• VirtualSMC
  • Does not need companion VirtualSMC.efi with OC
• SMCProcessor
• SMCSuperIO
• WhateverGreen
• IntelMausiEthernet
• VoodooHDA
  • If you want to use AppleALC, this machine is Layout ID 3. I couldn't get it to work. I am not experiencing any audio quality issues using Voodoo.
• USBInjectAll (with SSDT above)

Quirks

• AppleCpuPmCfgLock
• AppleXcpmCfgLock
• AppleXcpmExtraMsrs
  • Will refuse to boot without this
• DisableIoMapper
• ExternalDIskIcons
• PanicNoKextDump
• PowerTimeoutKernelPanic

NVRam

Nothing crazy happening here. It will not boot without the npci flag.

boot-args: npci=0x2000

PlatformInfo

I am using the MacPro7,1 SMBIOS. I am not sure what effect if any the SMBIOS has on the behavior of the system. Please PR a more appropriate SMBIOS if available!