The IBM AS/400 (Application System/400) is a family of midrange computers from IBM announced in June 1988 and released in August 1988. It was the successor to the System/36 and System/38 …

It was a bold prediction in 1988, but he was right. With an eye toward succeeding the popular System/36 and System/38 platforms, IBM developed the AS/400 line around two priorities: high performance …

Feb 24, 2024 · What is IBM AS400? The AS400, also known as IBM iSeries and now IBM i, is a midrange computer system developed by IBM. Launched in 1988, AS400 was designed for …

May 24, 2025 · The IBM AS/400 (now IBM i on Power Systems) is often labeled "outdated," yet it remains the backbone of industries like banking, healthcare, and manufacturing. With unmatched …

Jan 20, 2025 · Introduced by IBM in 1988, this midrange server system was designed to support businesses of all sizes, offering unmatched reliability, scalability, and performance. Over 30 years …

Mar 17, 2026 · When IBM released the Application System/400 (-400) in 1988, it came with both the AS/400 hardware and OS/400 software and a range of core functions. To this day, it’s a highly …

The IBM AS/400 family of systems started with an internal development project called “Silver Lake”, named for the lake in downtown Rochester, Minnesota, where development of the system took place.

Features include a RDBMS (DB2/400), a menu-driven interface, support for multiple users, block-oriented terminal support (IBM 5250), and printers.

Feb 25, 2026 · IBM’s AS/400, developed under the code names Silverlake and Olympic, launched in 1988 with the tagline “ Best of Both Worlds,” and it has been continually enhanced ever since.

Introduced by IBM in 1988, the AS/400 is a midrange computer system originally designed for small and medium sized businesses. It quickly gained recognition for its reliability, integrated architecture, and …