Hardware

CPU: AMD Ryzen 5 3600 6-Core 4.2Ghz

GPU: Radeon RX Vega 56 8GB RAM

RAM: Kingston HyperX Fury 16GB DDR 3466Mhz

Motherboard: ASUS ROG Strix B450-I AM4

Audio Codec: AppleALM Profile 7

Ethernet Card: Intel I211-AT Gigabit

Wifi/BT Card: BCM94360CS2 + NGFF M.2 Key A/E Adapter

BIOS revision: 4202

Guide

OpenCore Desktop Guide

Fixing Audio

Key Updates

• The BIOS has no option for the above 4G decoding so I had to disable IncreasePciBarSize in the Kernal : Quirks
• Add npci=0x2000 to NVRAM : Add : boot-args.
• Add alcid: 7 to NVRAM : Add : boot-args.
• Run HPET option in SSDTTime and add ACPI and patches.

BIOS Changes

• Disabled Fast Boot
• In Secure Boot, set to Windows UEFI Mode
• Disabled CSM
• Enabled EHCI/XHCI Hand-off

Third Party Fixes

• Adobe Photoshop was quitting upon load. Ran PS2020 script here: AdobeFixAMD