MSI has released the AGESA BIOS 1.2.0.3a Patch A, an update focused on enhancing the compatibility of single and dual-rank DDR5 memory on AMD 800 series motherboards. This update aims to optimize performance and stability on both X870 and B850 platforms.
Enhanced Memory Compatibility
The new AGESA BIOS update targets improved memory support for AMD 800 series motherboards. According to release notes, the update:
- Optimizes the memory compatibility of single-rank (1R) modules in a 2DPC (2 DIMMs Per Channel) configuration.
- Optimizes the memory compatibility of dual-rank (2R) modules in a 1DPC (1 DIMM Per Channel) configuration.
While specific performance improvements are not detailed, this update comes as motherboard and memory manufacturers are pushing for higher memory speeds with lower latency. The new BIOS may facilitate easier memory overclocking and provide better stability with existing DDR5 modules.
Understanding Single and Dual Rank Memory
Understanding the difference between Single and Dual Rank RAM can be important for those looking to maximize their system's performance:
- Single-rank (1R) memory: Memory chips are located on one side of the module. They generally offer better compatibility, higher speeds, and lower latency.
- Dual-rank (2R) memory: Memory chips are located on both sides of the module. Ideal for increasing overall memory capacity and can be beneficial for overclocking.
The 2DPC and 1DPC configurations are achieved by installing multiple modules per channel or single modules, respectively.
Availability and Installation
The AGESA 1.2.0.3a Patch A is currently available for select MSI B850 motherboards (Version: 7E56v1A41). The update is expected to roll out to X870 and X870E motherboards soon. To apply the new BIOS patch, users should download the update from their motherboard's support page on MSI's official website.
Source: MSI Official Website
