Category Archives: OS/2

MS OS/2 SDK Document Dump

Posted on January 3, 2020 by Michal Necasek

The Microsoft OS/2 1.0 SDK library section got a big fat update. Over the holidays I managed to finalize and upload about 25 PDFs, some of which have been lying on my NAS in 98% completed state for almost 10 … Continue reading →

Posted in Documentation, Microsoft, OS/2 | Leave a comment

LAN Manager Product Specification, 1987

Posted on July 31, 2019 by Michal Necasek

Now available is the preliminary yet fairly complete product specification for the LAN Manager server and workstation from October 14, 1987. This document was available to developers months before any pre-release LAN manager code, and about a year before any … Continue reading →

Posted in Archiving, Documentation, LAN Manager, Microsoft, OS/2, PC history | 1 Comment

PowerPC Archival

Posted on July 7, 2019 by Michal Necasek

For the 0.7 persons out there who have a working IBM Power Series desktop but not OS/2, here’s the first and final release of OS/2 for the PowerPC, from December 1995, as well as a beta plus cross-development SDK from … Continue reading →

Posted in Archiving, IBM, OS/2, PowerPC | 2 Comments

Same Old Disk Bug

Posted on June 24, 2019 by Michal Necasek

After I Kryofluxed my MS OS/2 SDK 1.01 disks, I once again tried installing the OS in a VM. While the system booted up fine, it stubbornly refused to get past FORMAT. At the end, after going through all the … Continue reading →

Posted in Bugs, Microsoft, OS/2, Virtualization | 2 Comments

Microsoft OS/2 Programmer’s Guide

Posted on June 24, 2019 by Michal Necasek

For once, the OS/2 Museum lives up to its name… After a long pause, a new document from the MS OS/2 SDK has been uploaded. It’s the pre-release Microsoft Operating System/2 Programmer’s Guide from April 1987. This document was part … Continue reading →

Posted in Documentation, Microsoft, OS/2 | Leave a comment

1988 Networking: NetWare OS/2 Requester

Posted on May 10, 2019 by Michal Necasek

A while ago, the question of antique NetWare OS/2 requesters came up. The oldest known surviving NetWare OS/2 Requester is version 1.2, which is designed to work with OS/2 1.2. There are clear mentions of older requesters supporting OS/2 1.1 … Continue reading →

Posted in NetWare, Networking, OS/2, PC history, Virtualization | 16 Comments

Ancient NetWare OS/2 Requesters?

Posted on February 16, 2019 by Michal Necasek

Quite a while ago there was a discussion on this site about NetWare support for OS/2 versions prior to 1.3. Finding reliable information is difficult, especially when one doesn’t know exactly what to look for. Spurred by the discovery of … Continue reading →

Posted in NetWare, OS/2, PC history | 13 Comments

OS/2 2.0, Spring ’91 Edition

Posted on July 10, 2018 by Michal Necasek

Thanks to a generous reader, a curiously nondescript box labeled “OS/2 32-Bit Pre-release” recently turned up at the OS/2 Museum. The box looks very much like retail IBM products from the early 1990s, but has no identifying description except for … Continue reading →

Posted in IBM, Microsoft, OS/2, PC history, Pre-release | 35 Comments

Microsoft Editor

Posted on March 11, 2018 by tenox

(This is a guest post by Antoni Sawicki aka Tenox) In a recent blog post I lamented the lack of a good console/cmd/PowerShell text editor for Windows. During the process I made a rather interesting discovery, that in a fact … Continue reading →

Posted in Development, DOS, Editors, Microsoft, NT, OS/2, Source code, Uncategorized | 23 Comments

OS/2 2.0, Xmas ’91 Edition

Posted on April 26, 2017 by Michal Necasek

After reviewing the OS/2 2.0 level 6.605 pre-release, another re-discovery is the “Limited Availability” (LA) level 6.177 from December 1991. This was the last OS/2 2.0 pre-release of 1991 and also the last one using the 6.1xx numbering; the next pre-release was … Continue reading →

Posted in 386, IBM, OS/2, PC history | 16 Comments