Category Archives: NT

OS/2 2.0 Limited Availability

In October 1991, IBM released OS/2 2.0 “Limited Availability” (or LA) at the Fall Comdex in Las Vegas. This was a semi-official release of 32-bit OS/2, effectively a beta version, although it wasn’t called a beta. At the same Comdex, … Continue reading

Posted in NT, OS/2 | 15 Comments

Display Drivers, NT and NeXTSTEP

It is instructive to compare the OS/2 and 16-bit Windows display driver model with other operating systems. Why NT and NeXTSTEP? NT because it was Microsoft’s third take on a (mostly) PC operating system, and NeXTSTEP because it was an … Continue reading

Posted in NeXTSTEP, NT | 2 Comments

Installing Windows NT 3.x in VirtualBox

All Windows NT 3.x versions can be used in VirtualBox, although they are not officially supported (unlike all following NT versions) and no Guest Additions are provided. Furthermore, for Windows NT 3.1 and 3.5, an extra step needs to be … Continue reading

Posted in NT, VirtualBox, Virtualization | 21 Comments

NT and OS/2

OS/2 and Windows NT have an interesting and checkered common history. Until late 1990, the operating system eventually released as Windows NT was known as NT OS/2. Despite its name, NT had very little in common with OS/2 as it … Continue reading

Posted in NT, OS/2 | 8 Comments