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The OS/2 Museum
Last year I finally bought a Kryoflux, unfortunately in the middle of moving house. Now I’m finally able to use it beyond verifying that it’s not completely broken. After imaging a few dozens of flopp...
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OS/2 Museum | OS/2, vintage PC computing, and random musings
A few weeks back I was reminded that the source code to the 386MAX (later Qualitas MAX) memory manager was released in 2022 on github. Back in the 1990s I used primarily EMM386 and QEMM, but I have so...
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DOS | OS/2 Museum
When I first encountered the Unix vi editor many years ago, I recoiled in horror. It was nothing like the editors I was used to—Borland IDEs, DOS 5.0/6.x EDIT, or OS/2 and Windows editors. But over th...
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April | 2022 | OS/2 Museum
Some time ago, I lamented that even though the OS/2 Museum had a good number of disks of the final OS/2 2.0 beta, level 6.304, there wasn’t enough to install the OS, let alone any of the development t...
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PC hardware | OS/2 Museum
From past blog posts it is fairly obvious that the OS/2 Museum occasionally purchases used hard disks. Most of the time, the disks are either completely erased (overwritten with zeros) or don’t have a...
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October | 2022 | OS/2 Museum
The 8086/8088 is a 16-bit processor and offsets within a 64K segment always wrap around. If a one-byte instruction at offset FFFFh is executed on an 8086, execution will continue at offset 0. This is ...