IBM System/360 Model 30
The IBM System/360 Model 30 was a popular IBM mainframe announced in 1964 across the world as the then least powerful of the System/360s – the first line of computers in the world to allow machine language programs to be written that could be used across a broad range of compatible sizes.
- IBM 2030 Central Processing Unit (64k storage)
- with or without IBM 1401 System emulation feature
- IBM 1052 Console
- IBM 1442 Card Reader/Punch
- IBM 1403 Printer
- IBM 2401 Tape Drive (x 2)
- IBM 2841 DASD (disk) Controller
- IBM 2311 Disk Drives (x 2)
- Using IBM 1316 Disk Pack
The IBM operating system used was usually the realistically sized DOS/360, rather than the larger OS/360. Programming was mostly in the COBOL, RPG and Assembler languages for the commercial applications that were the predominant uses of this computer, but Fortran could also be used for the scientific and engineering applications. COBOL programs for other computers could be run after recompiling on the System/360, except the input/output sections had to be re-written to relate to the System/360 devices through the DOS/360 DTF (Define the File) macros.
IBM 1400 Series Emulation
With the additional Compatibility Feature hardware and Compatibility Support software under DOS/360, the IBM 1401/1440/1460 object programs could be run in the emulation mode, with little or no reprogramming. Many installations included the IBM 1401 compatibility feature, allowing older programs to be run.
The system was designed by IBM's General Systems Division in Endicott, New York, and manufactured in Endicott and other IBM manufacturing sites outside of U.S.
- IBM System/360 Model 20
- IBM System/360 Model 40
- IBM System/360 Model 44
- IBM System/360 Model 50
- IBM System/360 Model 67
- IBM System/360 Model 30
- Endicott Chronology
- IBM DOS/360 1401/1440/1460 Emulator Programs: Compatibility Support/30 & /40 (IBM Systems Reference Library C27-6940)
- Official website IBM archives
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