Video gamers know about cheat codes, but assembly language programmers are often in search of undocumented instructions. One way to find them is to map out all of a CPU’s opcodes and where there are ...
My understanding was that a CPU microcode update is stored in non-volatile memory on the motherboard and is loaded by the BIOS or UEFI into volatile memory on the CPU during boot. And because the ...
Video gamers know about cheat codes, but assembly language programmers are often in search of undocumented instructions. One way to find them is to map out all of a CPU’s opcodes and where there are ...
On January 8th Intel released new Linux Processor microcode data files that can be used to mitigate the Spectre and and Meltdown vulnerabilities in Intel CPUs. Using microcode files, an operating ...
Last month, a team of Google security researchers released a tool that can modify microcode of AMD's processors based on the Zen microarchitecture, the Zentool. While this is a security vulnerability, ...
Microsoft has released a new batch of Intel microcode updates for Windows 10 20H2, 2004, 1909, and older versions to fix new hardware vulnerabilities discovered in Intel CPUs. When Intel finds bugs in ...
Those who recover disk drives know how easy it is also to destroy them. This week’s column, Awaiting the PC Killers, discusses the possibility of using such knowledge to create highly destructive ...
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