Opencore Config for Acer Aspire 4750 Series

Tested on macOS Mojave 10.14.

Overview:

√ Opencore 0.75
√ Intel HD 3000 Working [ Legacy Video Patch ]
√ Audio + Mic
√ Battery Status
√ WiFi [ Atheros Kext ]
√ Sleeping
√ Bootcamp
√ USB Mapping + Webcam [ USB Inject All ]

Not Working : USB 3.0

Known Issue :

• 2nd Gen HD Graphic is problematic, e.g. random screen freezing
  

OpenCore Starting Point : Install Guide

ACPI

• Add

SSDTs	Description
SSDT-CPUPM	Power management, generated by ssdtPRGen
SSDT-EC	Fixing Embedded Controllers
SSDT-GPRW	Instant Wake Patch
SSDT-HPET	Fixing IRQ Conflicts
SSDT-IMEI	Fixing IMEI
SSDT-PLUG	Fixing Power Management
SSDT-PNLF	Fixing Backlight
SSDT-PMC	Fixing NVRAM
SSDT-SBUS-MCHC	Fixing SMbus Support
SSDT-USB-Reset	USB Port Mapping
SSDT-XOSI	Fixing Trackpad

• Delete

Delete	Description
CpuPm	Power management for Sandy Bridge
Cpu0lst	Power management for Sandy Bridge

• Patch

Patch	Description
EHC1 -> EH01	USB rename
EHC2 -> EH02	USB rename
SAT0 -> SATA	SATA rename

Driver

• HfsPlusLegacy: Sandy Bridge lacks of RDRAND instruction support hence a legacy variant of HfsPlus driver is required

Directories

├── EFI
│   └── OC
│       ├── ACPI
│       │   ├── SSDT-CPUPM.aml
│       │   ├── SSDT-EC.aml
│       │   ├── SSDT-GPRW.aml
│       │   ├── SSDT-HPET.aml
│       │   ├── SSDT-IMEI.aml
│       │   ├── SSDT-PLUG.aml
│       │   ├── SSDT-PMC.aml
│       │   ├── SSDT-PNLF.aml
│       │   ├── SSDT-SBUS-MCHC.aml
│       │   ├── SSDT-USB-Reset.aml
│       │   └── SSDT-XOSI.aml
│       ├── Drivers
│       │   ├── AudioDxe.efi
│       │   ├── OpenCanopy.efi
│       │   ├── HfsPlusLegacy.efi
│       │   ├── OpenUsbKbDxe.efi
│       │   ├── UsbMouseDxe.efi
│       │   └── OpenRuntime.efi
│       ├── Kexts
│       │   ├── AppleALC.kext
│       │   ├── BCM5722D.kext
│       │   ├── Lilu.kext
│       │   ├── ECEnabler.kext
│       │   ├── IO80211Family.kext
│       │   ├── SMCBatteryManager.kext
│       │   ├── SMCProcessor.kext
│       │   ├── SMCSuperIO.kext
│       │   ├── NVMeFix.kext.kext
│       │   ├── VirtualSMC.kext
│       │   ├── USBInjectAll.kext
│       │   ├── VoodooPS2Controller.kext
│       │   └── WhateverGreen.kext
│       ├── OpenCore.efi
│       └── config.plist