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AMD Platform Security Processor settings in an UEFI configuration screen. The AMD Platform Security Processor (PSP), officially known as AMD Secure Technology, is a trusted execution environment subsystem incorporated since about 2013 into AMD microprocessors. [1]
The Open Mobile Terminal Platform (OMTP) first defined TEE in their "Advanced Trusted Environment:OMTP TR1" standard, defining it as a "set of hardware and software components providing facilities necessary to support applications," which had to meet the requirements of one of two defined security levels. The first security level, Profile 1 ...
Concrete products are codenamed "Llano": List of AMD accelerated processing units. Llano AMD Fusion ( K10 cores + Redwood -class GPU) (launch Q2 2011, this is the first AMD APU) uses Socket FM1 Bulldozer architecture; Bulldozer, Piledriver, Steamroller, Excavator (2011–2017)
Mobile Chipset, Tigris platform AMD 880M chipset Athlon II Neo, Turion II Neo Radeon HD 4225 No DirectX 10.1, UVD2, HDMI/HDCP, DisplayPort, DVI, VGA, OR Single PCI-E 2.0 x16 Mobile Chipset, Nile platform AMD 880M chipset Mobile Phenom II, Mobile Turion II, Mobile Athlon II, Mobile Sempron V-Series Radeon HD 4250 Radeon HD 4270 No DirectX 10.1 ...
This is being used as means of CPU DRM to lock specific CPUs to a particular motherboard manufacturer. It is very likely that consumer Ryzen CPUs can theoretically use this feature, allowing a hacker who has cracked the PSP to permanently brick the processor.
Updates add new functionality as well as security patches to prevent unsigned code from being executed on the system. Updates can be obtained in four ways: Direct download to the PSP over Wi-Fi. This can be performed by choosing [Settings], [System Update] from the XMB. Download to a PC, then transfer to the PSP via a USB cable or Memory Stick.
The Electronic Frontier Foundation and some security researchers have voiced concern that the Management Engine is a backdoor. Intel's main competitor, AMD, has incorporated the equivalent AMD Secure Technology (formally called Platform Security Processor) in virtually all of its post-2013 CPUs.
AMD K6-2 – an improved K6 with the addition of the 3DNow! SIMD instructions. AMD K6-III Sharptooth – a further improved K6 with three levels of cache – 64 KB L1, 256 KB full-speed on-die L2, and a variable (up to 2 MB) L3. AMD K7 Athlon – microarchitecture of the AMD Athlon classic and Athlon XP microprocessors. Was a very advanced ...