Category Archives: NT

NT 3.1 SMP

Generic x86 multiprocessing, Summer 1994 edition. There’s not much to say: Yep, that’s NT 3.1 running in a VM, and it sees two processors. Remember, you saw it here first!

Posted in Intel, NT, SMP | 67 Comments

Book Review: Inside Windows NT

A Few Decades Late Book Reviews Inside Windows NT, by Helen Custer Microsoft Press, 1992; 385 pages, ISBN 1-55615-481-X; $24.95 Inside Windows NT was one of the earliest published books about Windows NT, predating the actual July 1993 release of Windows NT … Continue reading

Posted in Books, NT | 6 Comments

Windows 8.1 Startup Bugcheck 0xC4

On some systems, both physical and virtual, 64-bit Windows 8.1 as well as Server 2012 R2 consistently crashes with error code (bug check) 0xC4; 64-bit Windows 8 may run on these same systems without trouble. On physical systems, the BSOD … Continue reading

Posted in Bugs, Microsoft, NT, VirtualBox | 15 Comments

NT Video Miniport for VirtualBox, With Source Code

Note: See also an updated version. Upon reader request, the OS/2 Museum is publishing the source code to the NT video miniport driver for VirtualBox. To recap, this is a NT video miniport which allows 32-bit NT versions to use high-resolution graphics … Continue reading

Posted in Graphics, NT, Source code, VirtualBox | 48 Comments

Installing Oct ’91 NT from CD

With VirtualBox 4.3, it is possible to install the oldest known pre-release of Windows NT directly from CD, the way Microsoft intended. This is the Fall ’91 Comdex preview which only supported the x86 architecture and a very short list … Continue reading

Posted in Microsoft, NT, SCSI | 35 Comments

Twenty Years Ago Today…

On July 24th 1993, Microsoft finalized the first release of Windows NT, labeled version 3.1 “to avoid confusion”. This was a big day for Microsoft, although the practical impact on the computer industry was not particularly big, at least not … Continue reading

Posted in Microsoft, NT | 6 Comments

Windows NT BSOD Aclock Port

Do you remember the famous Windows NT Blue Screen Of Death? For years it was a source of jokes and bad reputation of Windows reliability. There even was a Blue Screen Saver! Today we fortunately see much less of it, but it … Continue reading

Posted in 386, Development, NT, VGA, Windows, x86 | 10 Comments

Why Windows NT from October 1992 refuses to install on modern CPUs

Attempting to install the October 1992 pre-release on any CPU less than about 20 years old is likely to result in the following error message: This is similar to the behavior of the official Windows NT 3.1 and 3.5 releases, … Continue reading

Posted in Intel, NT | 15 Comments

NT video miniport HD

The video miniport driver for VirtualBox has been updated. The miniport now supports a much broader range of resolutions, up to 1920×1200. Color depths of 32, 24, 16, 15, and 8 bits per pixel are supported for all resolutions, although … Continue reading

Posted in NT, VirtualBox | 23 Comments

Simple Windows NT video miniport for VirtualBox

A few months ago, I developed a trivial video miniport for use in Windows NT virtual machines. The primary goal was to improve display speed and get past the 800×600, 16 color display mode which is the maximum Windows NT … Continue reading

Posted in NT, VirtualBox | 26 Comments