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According to VideoCardz , the beta BIOS files — which cover several ROG Crosshair, ROG Strix, TUF Gaming, and ProArt boards based on AMD’s X870, B850, and X670 chipsets — were reportedly shared through the ASUS ROG forum by overclocker SAFEDISK and include support for “GNR Transparent Secure Memory Encryption,” with GNR referring to Granite Ridge, AMD’s Ryzen 9000 desktop CPU family.
The BIOS updates are based on AGESA ComboAM5 PI 1.3.0.1b Patch A and appear to restore TSME support for non-Pro Ryzen 9000 processors earlier than AMD’s previously stated July timeline. X870 boards mostly move to BIOS 2401; B850 boards move to BIOS 1686; and X670 boards move to BIOS 3901 or 3886, depending on the model.
AMD officially confirmed to Tom's Hardware last week that it will reinstate memory encryption on Ryzen 9000 CPUs via a BIOS update, following “valuable community feedback.” AMD users had strongly expressed disapproval after the company silently removed TSME support from Non-Pro CPUs. TSME is a security feature that protects CPUs against physical exploits by encrypting the data stored in memory, making it unusable to physical attackers.
A user discovered that the feature was no longer available on his Ryzen 7 9700X system, even though it was enabled in the BIOS. Further testing involving MSI showed that consumer Ryzen chips could report TSME support under older firmware, but not after a newer AGESA update, while Ryzen Pro processors continued to support it. After countless reactions, AMD moved to fix the issue, setting July as the timeline for reinstating the feature via a BIOS update.
AMD will reinstate memory encryption on Ryzen 9000 CPUs through a BIOS update in July — TSME is coming back after 'valuable community feedback'
AMD silently removes memory encryption from consumer Ryzen CPUs, leaving users unaware that they may be vulnerable
Vendors begin adding AMD EXPO Ultra-Low Latency to 600-series motherboards in latest BIOS updates
The Asus update now suggests the fix is beginning to arrive earlier than AMD’s July timeline, positioning the company as one of the first board makers to package the reinstatement into actual motherboard firmware. However, this is not yet the broad, stable rollout most users will be waiting for. The files are beta BIOS releases shared through the ASUS ROG forum, so users who specifically need TSME may want to track them closely, while anyone running a production or stability-critical system should probably wait for final BIOS builds.
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Reference reading
- https://www.tomshardware.com/pc-components/cpus/SPONSORED_LINK_URL
- https://www.tomshardware.com/pc-components/cpus/asus-beta-bios-updates-restore-ryzen-9000-memory-encryption-ahead-of-amds-july-timeline-tsme-returns-to-select-am5-boards-after-silent-backlash-over-removal#main
- https://www.tomshardware.com/subscription
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