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AMI supports AMD Threadripper

AMI has a few press releases about AMD Rhyzen support:

https://ami.com/en/tech-blog/amd-ryzen–aptiov/

https://ami.com/en/news/press-releases/american-megatrends-aptio-v-uefi-firmware-supports-amd-ryzen-threadripper-highperformance-gaming-processor-product-line/

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AMD AGESA firmware concern?

AGESA is the set of binaries used by most AMD systems. Similar, in concept, to Intel’s FSP.

3mdeb points out that the AGESA docs seem to indicate that unbalanced allocation/free of some AGESA resources could have a negative system impact:

The creation and removal of the structure storage depends upon the host environment calling procedure using the AmdCreateStruct and AmdReleaseStruct procedures. Failure to release a structure can cause undesired outcomes.

AGESA – AMD Support & Drivers
https://support.amd.com/TechDocs/44065_Arch2008.pdf

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AMD Vega Pro GPU contains a Security Processor

https://www.heise.de/newsticker/meldung/AMD-Treiber-Radeon-Pro-17-8-fuer-Vega-Hardware-Sicherheit-und-On-the-Fly-Treiberwechsel-3784816.html

http://www.phoronix.com/scan.php?page=news_item&px=Vega-Pro-Secure-Processor

 

 

 

 

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SimpleSvm: hypervisor for AMD Windows systems

SimpleSvm is a minimalistic educational hypervisor for Windows on AMD processors. It aims to provide small and explanational code to use Secure Virtual Machine (SVM), the AMD version of Intel VT-x, with Nested Page Tables (NPT) from a windows driver. SimpleSvm is inspired by SimpleVisor, an Intel x64/EM64T VT-x specific hypervisor for Windows, written by Alex Ionescu.

https://github.com/tandasat/SimpleSvm

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AGESA update info from AMD

[…]Beginning this month, as we promised to you, we began beta testing a new AGESA (v1.0.0.6) that is largely focused on aiding the stability of overclocked DRAM (>DDR4-2667). We are now at the point where that testing can begin transitioning into release candidate and/or production BIOSes for you to download. Depending on the QA/testing practices of your motherboard vendor, full BIOSes based on this code could be available for your motherboard starting in mid to late June. Some customers may already be in luck, however, as there are motherboards—like my Gigabyte GA-AX370-Gaming5 and ASUS Crosshair VI—that already have public betas.
[…]
If you’re the kind of user that just needs (or loves!) virtualization every day, then AGESA 1.0.0.6-based firmware will be a blessing for you thanks to fresh support for PCI Express Access Control Services (ACS). ACS primarily enables support for manual assignment of PCIe graphics cards within logical containers called “IOMMU groups.” The hardware resources of an IOMMU group can then be dedicated to a virtual machine. This capability is especially useful for users that want 3D-accelerated graphics inside a virtual machine. With ACS support, it is possible to split a 2-GPU system such that a host Linux® OS and a Windows VM both have a dedicated graphics cards. The virtual machine can access all the capabilities of the dedicated GPU, and run games inside the virtual machine at near-native performance.[…]

https://community.amd.com/community/gaming/blog/2017/05/25/community-update-4-lets-talk-dram

http://www.tomshardware.com/news/amd-agesa-firmware-update-motherboard,34525.html

 

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