Introduction

Flash graphics cards can be a bit tricky to set up on a Mac, but with the right guidance and knowledge, it's definitely possible. In this article, we'll walk you through the process of flashing your graphics card on a Mac, covering various series including Vega 10, Vega 20, Navi 10, Navi 21, and AMD GPUs.

Vega 10 Series

The Vega 10 series is one of the oldest graphics cards supported by macOS. The highest supported OS for this series is macOS Ventura (13), while the initial supported OS was High Sierra (10.13). If you're running a Vega 10 GPU on your Mac, you can rest assured that it's natively supported.

Vega 20 Series

The Vega 20 series is another popular graphics card supported by macOS. The highest supported OS for this series is also macOS Ventura (13), while the initial supported OS was Mojave (10.14.5). Note that all Vega-based dedicated GPUs are natively supported in macOS, starting from Mojave.

MSI's Polaris and Vega Line

It's worth mentioning that MSI's Polaris and Vega line are not affected by any bugs or compatibility issues with flashing graphics cards on Mac.

Resolving Common Issues

One common issue users face is the ATY,Rom# bug. This can be resolved by injecting ATY,Rom# in your GPU's DeviceProperties with any value. Additionally, if you're running an MSI Navi card, make sure to update your installer to resolve any VBIOS bugs that may cause crashes.

Navi 10 Series

The Navi 10 series was initially supported by macOS Catalina (10.15.1). Currently, most Navi 10 and 14 cards require the boot argument agdpmod=pikera to get proper display output.

Navi 21 Series

The Navi 21 series is also supported by macOS, with the highest supported OS being macOS Ventura (13) and the initial supported OS being Big Sur (11.4). Most Navi 21 cards require the boot argument agdpmod=pikera to get display output.

Navi 23 Series and AMD GPUs

The latest addition to the graphics card family is the Navi 23 series, which was added in macOS Monterey (12.1). This includes support for the RX 6600 XT. Note that most Navi 23 cards also require the boot argument agdpmod=pikera to get display output.

Flash graphics cards can be a bit tricky, but with this comprehensive guide, you should now have all the necessary information to successfully flash your graphics card on a Mac. Whether you're running a Vega 10, Vega 20, Navi 10, Navi 21, or AMD GPU, we hope this article has been helpful in resolving any issues and getting you up and running smoothly.

How to flash graphics card for mac