Symmetrix arrays, EMC's flagship product at that time, began shipping in 1990 as a storage array connected to an IBM mainframe via the block multiplexer channel .
The IBM 3745 is the latest and last of a 37xx family of communications controllers for the IBM mainframe environment.
There are software-based emulators for the System/370, System/390, and System z hardware, including FLEX-ES and the freely available Hercules emulator which runs under Linux, FreeBSD, Solaris, Mac OS X and Microsoft Windows.
One of Systems Concepts' major products, the SA-10, was an interface which allowed PDP-10s to be connected to disk and tape drives designed for use with the channel interfaces of IBM mainframes.
z/Journal is an independent magazine targeted to users of IBM mainframe computer systems.
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The original System/360 models of IBM mainframe had read-only control store, but later System/360, System/370 and successor models loaded part or all of their microprograms from floppy disks or other DASD into a writable control store consisting of ultra-high speed random-access read-write memory.
Produced by Information Builders Inc., it was originally developed for data handling and analysis on the IBM mainframe.
In 1967, IBM gave their San Jose, California storage development center a task to develop a reliable and inexpensive system for loading microcode into their System/370 mainframes in a process called Initial Control Program Load (ICPL).
On 17 September 2042, at 23:53:57.370496 TAI, the Time of Day Clock on S/370 IBM mainframe and its successors, including the current zSeries, will roll over.
Uccel's "big-ticket item" claim to fame was software called UCC-1/TMS (Tape Management System), an IBM mainframe product for managing the tape library in an OS/MVS operating system environment.
Amdahl Corporation, a manufacturer of IBM-mainframe-compatible computers
Count Key Data, a disk architecture used in IBM mainframe computers