If you played MS-DOS games in the 1990s, you should have seen the 'DOS/4GW' banner at least once. Experts with detailed knowledge explain on blogs what tools DOS/4GW did and how they functioned. When ...

The memory map of the original 8086 computer with its base and extended memory made the original PC rather straightforward, but also posed countless issues for DOS-based applications as they tried to ...

Doug asked readers recently what "protected mode" used to mean back in the day. Here are some of your responses: Wow. That is old, old, old, back in the stone ages of the big hair mid-'80s. Most ...

For most people, you turn on your computer, and it starts the operating system. However, the reality is much more complex as [Thasso] discovered. Even modern x86 chips start in 16-bit real mode and ...

Security researchers from Eclypsium have detailed yesterday a new variation of the Spectre attack that can recover data stored inside a secure CPU area named the System Management Mode (SMM). For ...