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Monthly Archives: April 2014
From the Annals of Branding
The following picture shows four essentially identical Intel processors in the top row: The real difference is that some of them are fabricated on an older process and thus sport a larger die size than others. (They’re also not all … Continue reading
Posted in 386, Intel
14 Comments
OEM MS OS/2: 1987-1990
When Microsoft started offering OS/2, the arrangement was roughly similar to how DOS 3.3 had been handled: Microsoft and IBM jointly developed the code, IBM maintained its own version, and Microsoft licensed an “adaptation kit” to OEMs. While the IBM … Continue reading
Posted in Microsoft, OS/2
18 Comments
Multitasking MS-DOS 4.0, Goupil OEM
The recently unearthed copy of the near-mythical Multitasking (aka European) MS-DOS 4.0 clearly did not want to be alone. James Lariviere, a kind reader of this blog, provided a disk image of multitasking DOS 4 which was released in 1986 … Continue reading
Posted in DOS, Microsoft, OS/2
29 Comments
The ISA OSC Mystery
About twenty years ago I ended up with a spare ISA graphics card from an upgraded computer. It was a SVGA card based on the Cirrus Logic CL-GD5422 chip, equipped with 1 MB video memory. This was a very cheap … Continue reading
Posted in Cirrus Logic, Graphics, PC hardware
15 Comments