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 ...

There are many ways you can implement an Intel i386 CPU on an FPGA, with the use of original microcode probably being one of ...

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 ...

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 ...