MSI has recently released its latest AGESA 1.2.0.3f BIOS firmware for its AM5 motherboards, which adds support for upcoming AMD Ryzen 9000/9000F CPUs.
Support For Upcoming AMD Ryzen 9000/9000F CPUs & Several Improvements Backed Within MSI's New AGESA 1.2.0.3f BIOS Firmware
MSI is the first motherboard vendor to release its latest AM5 BIOS firmware based on AMD's AGESA 1.2.0.3f patch. The new BIOS was announced on MSI Forums and since then, has been rolled out to a range of motherboards. The BIOS firmware brings a lot of updates, such as the ones listed below (via MSI Forums):
- Support for New CPUs: Adds compatibility for upcoming AMD processors, including F-series CPUs (with disabled integrated graphics) and certain Ryzen 9000 series parts.
- Enhanced Memory Support: Extends DRAM compatibility and improves support for higher-capacity RAM modules, often up to 256GB (4x64GB) in some configurations.
- Security Fixes: Continuation of fTPM vulnerability patches introduced in earlier 1.2.0.3 updates.
- Bug Fixes and Stability: Ongoing improvements to overall system stability, device compatibility, and overclocking support.
The BIOS is available across all X870 motherboards except the PRO X870E-P WIFI. Same is the case with the B850/B840 series where majority of the models have received the BIOS except a few. The older 600-series motherboards haven't yet received the update.

As you can tell, the first and most major thing about the new AGESA 1.2.0.3f BIOS firmware is that it will add support for new AMD Ryzen CPUs. No specific CPU has been named, but it is stated that these will include Ryzen 9000F and standard Ryzen 9000 SKUs. So it looks like, besides the Ryzen 7 9700F, AMD is also going to have more additions within its Zen 5-based Ryzen 9000 "Granite Ridge" family.
Besides this, MSI's motherboards with the new AMD AGESA 1.2.0.3f BIOS firmware will also get improved memory support by extending the DRAM compatibility list. It will also enable support for up to 256 GB of DDR5 memory using four 64 GB modules. So that's going to be a major deal and will bring the AMD platform on par with Intel, which has had 256 GB capacities supported for some time now.

Other major changes include security fixes which will be a continuation of fTPM vulnerability patches that were introduced in previous AGESA 1.2.0.3 release. Big fixes and stability improvements are also cited with improved overclocking being one of them.
It should be mentioned that while the change list is quite big, this still isn't an official release, but rather a BETA BIOS. So users who aren't facing any major issues with their current MSI AM5 motherboards shouldn't bother much. An official version of the BIOS will be rolled out once the new CPUs are available so its better to wait for that but we appreciate MSI's efforts to offer these BIOS to the community.
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