this post was submitted on 04 Mar 2025
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110
AMD's new RX 9000 GPUs only officially support UEFI systems (www.tomshardware.com)
submitted 5 days ago* (last edited 5 days ago) by [email protected] to c/[email protected]
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AMD has announced that its upcoming RX 9070 series (RDNA 4) GPUs will require a UEFI system for optimal compatibility. Put simply, it has dropped support for the older BIOS and CSM standards, requiring users to make the necessary shift to UEFI. While this doesn't mean RDNA 4 GPUs will cease to function with legacy firmware, AMD offers no assurance.

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[–] [email protected] 4 points 3 days ago

This is going to be interesting

The diagnostic software environment I use to test graphics card VRAM only boots in legacy mode. TServer and Memtune are both internal AMD Tools that have leaked. So far, older boards that support Legacy / CSM have been the ideal platform as a test bench for graphics card repair.

Probably going to be quite the shakeup in the graphics card repair community’s toolkit if the updated version of Memtune for 9xxx cards ever leaks.