Tag: As400

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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IBM AS/400 - Setup Telnet 5250 Server
September 10, 2025
The IBM AS/400 Telnet server provides 5250 terminal access over TCP/IP. In this article, we will see how to configure and enable the Telnet 5250 service on an AS/400 running OS/400 V4R4.
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IBM AS/400 - Setup Telnet 5250 Server
September 10, 2025
The IBM AS/400 Telnet server provides 5250 terminal access over TCP/IP. In this article, we will see how to configure and enable the Telnet 5250 service on an AS/400 running OS/400 V4R4.
as400 ibm network telnet 5250
IBM AS/400 - TCP/IP Setup
September 7, 2025
In order to be able to use the TCP / IP interfaces of the IBM AS / 400, they must be configured. In this article, we will see how to enable and configure the TCP / IP service to access the local network through Ethernet.
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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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IPL types and modes for IBM AS/400
June 16, 2021
IBM mainframes such as the IBM AS/400 use an Initial Program Load (IPL) at machine startup. We will see what are the different IPL of the AS/400 in this article.
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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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Why Building an OS/400 Lab at Home Was Harder Than I Expected
January 24, 2020
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