Asus Pro WS B850M-ACE SE
Specifications
- Manufacturer: Asus
- Chipset: B850
- Socket: AM5
- Form Factor: Micro ATX
- DIMM Slots: 4
- Color: Black
BIOS Update Status
- AGESA 1.2.0.3C
Improves high-density memory compatibility, allowing stable operation of 4x DIMM configurations and 256GB total capacity.
- AGESA 1.2.7.0
Major enablement patch for next-generation 2026 processors; updates the PSP firmware and improves USB compatibility.
- AGESA 1.3.0.0
Preliminary support for the next major AM5 architecture revision; includes significant security hardening and memory training overhauls.
Latest BIOS Version
"1. AGESA updated to ComboAM5 PI 1.3.0.0a.Before running the USB BIOS Flashback tool, please rename the BIOS file (A5720.CAP) using BIOSRenamer."
BIOS Release Notes Analysis
BIOS Updates
The firmware lifecycle for the Pro WS B850M-ACE SE focuses on preparing the AM5 platform for future hardware revisions and enhancing security. Update v0505 upgrades the system to AGESA 1.2.0.3g; based on the 1.2.0.3 branch architecture, this iteration solidifies support for Ryzen 9000X3D series processors and mitigates the TPM Out-of-Bounds Read vulnerability (CVE-2025-2884). Version v1804 implements AGESA 1.2.7.0, which enables initial compatibility for next-generation 2026 processors, updates the PSP firmware, and improves USB device interoperability. This release also enforces a security restriction preventing rollback to older versions. The most recent update, v2004, integrates AGESA Pre1.3.0.0 to establish preliminary support for the next major AM5 architecture revision, while simultaneously hardening system security and refining memory training algorithms for JEDEC-compliant modules.
ℹ️AI-synthesized summary derived from official changelogs and verified microcode specifications. Always verify with the manufacturer.