Category Archives: PC history

Happy 30th Birthday!

In honor of the thirtieth anniversary of the IBM Personal Computer, the OS/2 museum started a new series of articles, this time dealing with the history of DOS—the predecessor of OS/2 and the first OS developed by Microsoft in cooperation … Continue reading

Posted in DOS, PC history | Leave a comment

Windows/386 2.01

The OS/2 museum recently obtained a boxed copy of the original Microsoft Windows/386. That is, version 2.01 of Windows/386 from September 1987. Windows/386 was Microsoft’s first product utilizing the 386 hardware in the DOS world. Microsoft was involved in the … Continue reading

Posted in PC history, Windows | 48 Comments

DOS Memory, Managers & Extenders, Part I

To understand why the maddeningly complex world of DOS memory managers and extenders came to be, it’s necessary to understand the evolution of the PC platform. Even though memory managers and DOS extenders reached their peak on 32-bit 386 and … Continue reading

Posted in DOS, PC architecture, PC history, x86 | 27 Comments

Researching the history of PC computing

Finding out what happened in the world of PC computing 20 or 25 years ago isn’t always easy. The 1980s were over before the Internet took off, which means that most of the information was never publicly available in electronic … Continue reading

Posted in PC history | 2 Comments