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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 platforms, and ran the OS/400 operating system.
The IBM 3390 Direct Access Storage Device series was introduced November 1989, offering a maximum storage of up to 22 gigabytes in a string of multiple drives. [49] Cost of a storage system varied by configuration and capacity, between $90,000 and $795,000.
The IBM System/3 was an IBM midrange computer introduced in 1969, [1] and marketed until 1985. It was produced by IBM Rochester in Minnesota as a low-end business computer [ 2 ] aimed at smaller organizations that still used IBM 1400 series computers or unit record equipment .
One difference between the A/36 and earlier S/36s is the 9402 Tape Drive. The 9402 uses Quarter-inch cartridges which can store up to 2.5 GB of data.The 9402 is able to read the 60MB tapes from the older S/36 6157 tape drive, but cannot write or do any SEND_DATA_BYTE operations with them, because they are newer than the older-style 1.0GB cartridges, which use the same pinout, and the same speed.
IBM i (the i standing for integrated) [6] is an operating system developed by IBM for IBM Power Systems. [7] It was originally released in 1988 as OS/400 , as the sole operating system of the IBM AS/400 line of systems.
IBM enhanced one of GM-NAA I/O's successors, the SHARE Operating System, and provided it to customers under the name IBSYS. [1] [2] As software became more complex and important, the cost of supporting it on so many different designs became burdensome, and this was one of the factors which led IBM to develop System/360 and its operating systems ...
The IBM System/36 (often abbreviated as S/36) was a midrange computer marketed by IBM from 1983 to 2000 - a multi-user, multi-tasking successor to the System/34. Like the System/34 and the older System/32 , the System/36 was primarily programmed in the RPG II language.
Products, services, and subsidiaries have been offered from International Business Machines (IBM) Corporation and its predecessor corporations since the 1890s. [1] This list comprises those offerings and is eclectic; it includes, for example, the AN/FSQ-7, which was not a product in the sense of offered for sale, but was a product in the sense of manufactured—produced by the labor of IBM.