IBM System/34

The IBM System/34 was a minicomputer marketed by IBM beginning in 1978. It was withdrawn from marketing in February, 1984. It was a multi-user, multi-tasking successor to the single-user System/32. Most notably, it included two very different processors, one based on System/32 and the second based on older System/3. Like the System/32 and the System/3, the System/34 was primarily programmed in the RPG II language. One of the machine's interesting features was an off-line storage mechanism that utilized "magazines" - boxes of 8-inch floppies that the machine could load and eject in a nonsequential fashion. Borrowing mainframe features such as programmable job queues and priority levels, the System/34 ran on 64K of memory.

IBMers and enthusiasts think of the System/34, System/36, and System/38 as midrange computers.

Read more about IBM System/34:  Physical Appearance and Requirements, IBM Abbreviations, SSP - System Support Program, F1, I1, S1-S3, and M1.01 - M2.10, EBCDIC, SDA - Screen Design Aid, SORT - The System Sort Utility, SEU - Source Entry Utility, WSU - Work Station Utility, Terminals, Displays, Screens, Workstations and Monitors, IBM Colors, Programming IBM Colors, The Five Lights, Keyboards, Processors, Memory and Disk, Printers, SSP, The System/34 Operating System, System Security, Files and Libraries, Disk Space Metrics, Program Sizes, Caching, SPOOLING, The Need For Spooling, How Spooling Works, Unspooling, Forms Numbers, Alignment, Jobs and Job Queues, Program Attributes - MRTs, SRTs, NRTs and NEPs, Language Compilers, Other Object Types, Non-programmers Use of The Computer, Popular System/34 Applications, System/34 Magazines, Migrating To The System/36, Books By System/34 Authors

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