MSI AGESA BIOS 1.2.0.3a Patch A Improves Memory Compatibility on X870 & B850

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 an…