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Positive Technologies - learn and secure : Disabling Intel ME 11 via undocumented mode
The disappointing fact is that on modern computers, it is impossible to completely disable ME. This is primarily due to the fact that this technology is responsible for initialization, power management, and launch of the main processor.
intel  security 
yesterday by foliovision
Critical Flaws in Intel Processors Leave Millions of PCs Vulnerable
"The disappointing fact is that on modern computers, it is impossible to completely disable ME," researchers from Positive Technologies noted in a detailed blog post published late August. "This is primarily due to the fact that this technology is responsible for initialization, power management, and launch of the main processor."
intel  security 
yesterday by foliovision
The Truth About the Intel’s Hidden Minix OS and Security Concerns
For the record, I would like to state that when Intel contacted me, they didn’t say what they were working on. Companies rarely talk about future products without NDAs. I figured it was a new Ethernet chip or graphics chip or something like that. If I had suspected they might be building a spy engine, I certainly wouldn’t have cooperated […​]
intel  computers  security  nsa 
2 days ago by foliovision
“Meltdown” and “Spectre”: Every modern processor has unfixable security flaws | Ars Technica
Meltdown and Spectre are security flaws that impact all major processors, but Intel is the most significantly impacted. Modern processors perform speculative instruction execution, where they anticipate future instructions and execute them ahead of time. If the predicted instruction does not occur, the instruction is just discarded. Meltdown and Spectre use this feature to allow regular user programs to retrieve information from the kernel. This can be patched in software by removing shared kernel mapping, but this makes certain tasks much slower.
hardware  intel  security 
4 days ago by fraaz
NIC Tuning
If you're using e1000 chips (Intel 1GE, often integrated into motherboards; note that this does not apply to newer variants) the driver defaults to 256 Rx and 256 Tx descriptors. This is because early versions of the chipset only supported this. All recent versions have 4096, but the driver doesn't autodetect this. Increasing the number of descriptors can improve performance dramatically on some hosts.
intel  networking  linux 
5 days ago by tjh
Intel’s latest chip is designed for computing at the edge - by @ron_miller
"As we develop increasingly sophisticated technologies like self-driving cars and industrial internet of things sensors, it’s going to require that we move computing to the edge. Essentially this means that instead of sending data to the cloud for processing, it needs to be done right on the device itself because even a little bit of latency is too much."
cloud  enterprise  hardware  tc  intel  edge  computing  system  on  a  chip 
10 days ago by jonerp

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