Tag: Mainframe

AS/400 Forensics: Retrieving your Licence Keys from disk images
December 15, 2025
A technical guide to forensic techniques for retrieving lost or forgotten licence keys from IBM AS/400 systems.
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Rescuing one of the first IBM AS/400, a 9406-B30 from 1988
November 28, 2025
How we rescued one of the earliest IBM AS/400 machines ever built, a 9406-B30 manufactured in July 1988, one month before the official announcement, from being scrapped for gold.
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Analysis and repair of an IBM Model M keyboard
July 2, 2025
Complete analysis and restoration of a 1990s mechanical IBM Model M keyboard, an iconic model known for its manufacturing quality and unique buckling spring mechanism.
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Restoring an IBM AS/400 (9401-150)
June 10, 2021
IBM AS/400s are legendary mainframes still present in many companies. In this article I detail how I completely restored an AS/400 9401-150 server.
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