trashOS

Note: I do not actievly maintain this repo, for most up-to-date information please follow the OpenCore Install Guide

This repo is mainly used as a getting started with page with Core2 series hardware running on OpenCore. There's also some sample EFIs for a few hardware configurations I've ran with:

• HP DC7900 SFF
  • Tested OSes:
    • 10.5 through 10.15
    • 10.4 and 11 are yet to be tested
• Dell Studio 540

Install process

1. Get macOS: GibmacOS
2. Build installer: createinstallmedia
3. Enable legacy booting: Legacy Install
4. Build rest of installer
5. Boot and install as usual
6. Mojave and newer users: You'll also want to grab the telemetrap.kext to fix the SSE4,2 requirement

OpenCore Specifics

config.plist

ACPI

Add

• SSDT-EC
  • Allows AppleBusPowerController to load
• SSDT-HPET
  • Used for resolving IRQ conflicts, see here on how to generate the file: SSDTTime

Patch

• HPET _CSR to XCSR Patch
  • To be used with SSDT-HPET. See here on how to generate the file: SSDTTime

Quirks

• FadtEnableReset: True
  • Needed for proper shutdown/restarts

Booter

Disable all quirks related to Booter except:

• RebuildAppleMemoryMap: True
  • Required to boot 10.6 and older due early kernel panics

Kernel

Kexts

The main ones are as follows:

• VirtualSMC or FakeSMC
• Lilu
• WhateverGreen
• AppleALC or VoodooHDA
• telemetrap.kext

Ethernet gets a bit more complicated as we're going into the depths of legacy hackintosh kexts, so support on Catalina can be a bit sketchy:

• AppleIntelE1000e
• IntelMausi
• RealtekRTL8100
• RealtekRTL8111
• AtherosE2200Ethernet

Quirks

• PanicNoKextDump: True
  • Makes debugging kernel panics in 10.13+ a bit easier

Misc

• Vault: Optional
  • Required for booting unless you've signed OpenCore yourself
• ScanPolicy: 0
  • To show all drives at the OpenCore picker

NVRAM

• boot-arg:
  • -nehalem_error_disable
    • used with MacPro5,1 SMBIOS to avoid kernel panics
  • -no_compat_check
    • Allows older SMBIOS to be used in newer versions of macOS

PlatformInfo

Few SMBIOS to choose from:

• iMac10,1
  • Recommended for High Sierra(10.13) and older
• MacPro5,1
  • Alternative to iMac10,1, also has support in Catalina
• MacPro6,1
  • Recommended for Big Sur(11)

UEFI

Firmware Drivers(.efi):

• OpenRuntimeServices
  • Helps with Native NVRAM and other misc. things
• OpenUsbKbDxe
  • Needed for the picker
• HfsPlusLegacy
  • Needed for seeing HFS volumes
• ExFatDxeLegacy
  • Needed for seeing drives made by Bootcamp assistant
• PartitionDxeLegacy
  • Required for booting recovery partitions with 10.7 through 10.9. 10.10 and newer do not require this

Kexts:

The main ones are as follows:

• VirtualSMC or FakeSMC
• Lilu
• WhateverGreen
• AppleALC or VoodooHDA
• telemetrap.kext

Ethernet gets a bit more complicated as we're going into the depths of legacy hackintosh kexts, so support on Catalina can be a bit sketchy:

• AppleIntelE1000e
• IntelMausi
• RealtekRTL8100
• RealtekRTL8111
• AtherosE2200Ethernet