Monthly Archives: April 2021

Installing IBM OS/2 1.0 in a VirtualBox VM

Some time ago I wrote that IBM OS/2 1.0 and 1.1 cannot be installed in a VM due to the way it switches between real and protected mode. At the time I did not realize that there was another obstacle, … Continue reading

Posted in OS/2, VirtualBox, Virtualization | 17 Comments

Nobody Expects…

…the Spanish Inquisition! Well, that too, but also nobody expects that a bland, run-of-the mill Novell NE2000 NDIS driver would crash/hang just because it runs on 486 or later CPUs. I wanted to try the “basic” DOS redirector shipped with … Continue reading

Posted in 486, Bugs, Intel, Microsoft | 6 Comments

Was the NE2000 Really That Bad?

Over the last few months I have been on and off digging into the history of early PC networking products, especially Ethernet-based ones. In that context, it is impossible to miss the classic NE2000 adapter with all its offshoots and … Continue reading

Posted in 3Com, Ethernet, Networking, Novell, PC history | 13 Comments

MS LAN Manager NDDK Anyone?

For R&D purposes, I would very much like to get my hands on the circa 1991 Microsoft LAN Manager Network Device Driver Kit which was meant to support the development of NDIS 2.0 drivers. While it is obvious that some … Continue reading

Posted in Development, DOS, Microsoft, Networking, OS/2 | 9 Comments