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Monthly Archives: September 2024
IBM PC 5150 Model Numbers
Recently I came across a minor mystery—the model numbers of the original IBM PC. For such a pivotal product, there is remarkably little detailed original information from the early days. When IBM started selling the PC, it used two methods … Continue reading
Posted in IBM, PC hardware, PC history
23 Comments
OS/2 2.0 Commitments
Last week the OS/2 Museum received a rather interesting donation: a thick spiral bound document titled Third party commitment to IBM’s OS/2 Version 2.0, and labeled IBM COMDEX/SPRING ’92. The binder is a collection of about 250 press releases that … Continue reading
Posted in IBM, Marketing, OS/2, PC history
8 Comments
OS/2 2.11 SMP Woes
IBM OS/2 V2.11 for Symmetric Multiprocessing (OS/2 2.11 SMP) was released in mid-1994 in response to Windows NT and its SMP support. The package was nothing more (and nothing less) than OS/2 V2.11 with support for SMP hardware. It was … Continue reading
Posted in IBM, OS/2, PC history, SMP
27 Comments
Digging Into OS/2 2.0
The other day I had a “pressing” need to obtain the list of modules loaded in an OS/2 VM by examining the VM’s memory and CPU state. I was able to use existing code that worked on OS/2 V3.0 (Warp) … Continue reading
Posted in Debugging, Documentation, IBM, OS/2
21 Comments