Awesome
macOS Monterey 12.3 (21E230) on DELL-OptiPlex-3070
This is the 100% working OpenCore EFI for Dell 3070 MFF with i5-9600k on macOS Monterey 12.3 (21E230)
Dell OptiPlex 3070 with i5-9600k on macOS Monterey 12.3 (21E230)
Bootloader version: Opencore 0.7.9 macOS version: macOS Monterey 12.3 (21E230)
Hardware Specification
| Component | Specs |
|---|---|
| CPU | Intel® Core™ i5-9600k |
| RAM | 8gb DDR4 2400MHZ |
| HDD | Samsung EVO 970 NVMe SSD 256GB |
| iGPU | Intel® UHD Graphics 630 |
| Audio | Realtek ALC3234 |
| OS | macOS Monterey 12.3 (21E230) |
| Boot | OpenCore 0.7.9 |
Working:
CPU Turbo Boost & Thermal Throttling Audio GPU All USB Ports LAN Airdrop & Airplay Sleep Internal sound and hdmi
Not working:
Display sleep (thinks it's an external monitor)
BIOS Settings
General → Advanced Boot Options: uncheck System Configuration → SATA Operation: AHCI Secure Boot → Secure Boot Enable: Disabled Intel® Software Guard Extensions™ → Intel® SGX™ Enable: Disabled Power Management → Block Sleep: check Virtualization Support → VT for Direct I/O: uncheck
BIOS Settings via GRUB (Optional)
Set Pre-Allocated DVMT to 64M: setup_var 0x8DC 0x02 Disable CFG lock: setup_var 0x5BE 0x00