Dell OptiPlex 7080 MT

Hackintosh-OptiPlex-7080-MT

Dell OptiPlex 7080 MT

Opencore Bootloader 0.7.6. Tested on Monterey 12.1

Introdution

You will have to generate a new SMIBIOS before login to your iCloud account.

Hardware Specs

Working

  • CPU Turbo Boost & SpeedStep
  • Radeon™ RX 6600 XT & iGPU acceleration
  • Internal Speaker / Front panel headphone out / Back panel lineout
  • USB Ports (rear USB 2.0 ports disabled due to macOS ports limit)
  • 10G LAN & Wireless Network
  • Sleep & Wakeup
  • Airdrop / Airplay / Handoff

Not working

  • Sidecar (needs T2 chip)
  • DRM Content in Safari (needs T2 chip)

UEFI Settings

  • System Configuration → Serial Port: Disabled
  • System Configuration → SATA Operation: AHCI
  • Video → Multi Display: Enable Multi-Display
  • Video → Primary Display: Auto
  • Security → PTT Security: uncheck
  • Secure Boot → Secure Boot Enable: uncheck
  • Intel® Software Guard Extensions™ → Intel® SGX™ Enable: uncheck
  • Virtualization Support → VT for Direct I/O: uncheck

Modify DVMT & CFG_lock settings

  • BIOS/UEFI editor ru.efi
  • Disable CFG lock: set 003E to 0x00 under CPUSetup
  • 64M Pre-Allocated DVMT: set 00F5 to 0x02 under SASetup

USB Mapping

USB ports map: Dell OptiPlex 7080 MT

  • HS09 and HS10 disabled due to the MacOS USB ports limit.
  • Check Dortania\’s guide for more infos on USB mapping.

ACPI tweaks

X540-T2 eeprom modification

Flashing eeprom could brick the NIC card, do it at your own risk.

sudo ethtool -E  magic 0x15288086 offset 0x48e value 0x0a
sudo ethtool -E  magic 0x15288086 offset 0x48f value 0x00
sudo ethtool -E  magic 0x15288086 offset 0x48e value 0x0a
sudo ethtool -E  magic 0x15288086 offset 0x48f value 0x00
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