IBM System/3

The System / 3 was a minicomputer for medium-sized enterprises of the company IBM. The computer was first delivered in 1969. It models 6, 8, 10, 12 and 15 were constructed. In 1978, the System / 3 (also S / 3) was replaced by the successor to System/38.

System Description

The low for that time space and the costs made ​​the system / 3 attractive for medium-sized enterprises. What was new was the 96 - column punch cards instead of the usual 80 columns, the hole card format 1/3 of the usual size had. The disk space was great from 2.45 to 9.80 million characters. The programming language RPG II served This was based on the IBM System/360 RPG. It was also the Monolithic Systems Technology (MST ), a hardware technology of the 1970s used.

A typical disk - oriented configuration consisted of a central repository with 12,288 characters, a 4.9 million character disk, a multi-function punch card unit ( MFCU ), an offline card sorter, a printer ( 200 lines per minute) and two data recorders ( punch card ). A typical punch-card -based version had a main memory of 8,192 characters, a MFCU, an offline card sorter, a printer ( 100 lines per minute) and a data recorder.

On model 15 plate stack of type 3340 ( Winchester ) could be connected.

Chronology

Components of the system

  • 5410 central processing unit ( Processing Unit)
  • 5424 Multi-Function Card Unit ( MFCU )
  • 5203 printer (Printer )
  • 5444 Disk Storage Drive
  • 5471 Printer - Keyboard
  • 5475 Data Entry Keyboard
  • 5496 Data Recorder
  • 5486 Card Sorter
Rochester (Minnesota) IBM System/38
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