Continuing his reverse-engineering of the Intel 8087, [Ken Shirriff] covers the conditional tests that are implemented in the microcode of this floating point processing unit (FPU). This microcode ...

The CPU is a simple stack virtual machine with a specialized reduced instruction set. Execution algorithm: The VM fetches an opcode from system memory pointed by CS:IP. There is a table of instruction ...

CPU manufacturers must address issues that arise with processors already on the market, especially the errors that are discovered over time. To handle this, Intel has released a new version of ...

AMD has officially confirmed a high-severity security vulnerability in its new Zen 5–based CPUs, and it’s a nasty one because it hits cryptography right at the source: the hardware random number ...

"Ransomware at the CPU level, microcode alteration, and if you are in the CPU or the firmware, you will bypass every freaking traditional technology we have out there." When you purchase through links ...

Intel has confirmed that it's about to issue another microcode update for its 13th-gen and 14th-gen Raptor Lake CPUs, meaning you'll need to update your motherboard BIOS again. As with the raft of ...

When AMD finally issued patches for its critical microcode security hole on Monday, it said that the glitch 'could lead to the loss of Secure Encrypted Virtualization protection.' AMD on Monday issued ...

What just happened? AMD has confirmed a security vulnerability in some of its processors, which was inadvertently revealed through a beta BIOS update from Asus. The flaw, described as a "microcode ...

Historically speaking, even when it wasn't the absolute fastest option, Intel has always been 'competitive' with longtime rival AMD in terms of CPU gaming performance. That is actually still the case ...

The last thing Intel needs right now is more CPU instability woes, especially after the 13th & 14th gen fiasco. Team Blue’s latest range of processors is the Core Ultra 200S series, which debuted late ...