Hardware

IBM 3161/3163 ASCII Display Stations became available in 1985 and featured the following:

Monochrome CRT display, 12-inch CRT (3161) or 14-inch CRT (3163)
Optional cards to emulate…

IBM 3164 Color ASCII Display Station became available in 1986:14-inch color CRT display

The 3196 Display Station is a member of the 5250 Information Display System, and can be used with the S/36, S/38, or AS/400 locally attached or remotely attached via the 5294 or 5394 Remote…

The IBM 3270 PC (model 5271), released in October 1983, was an IBM PC XT containing additional hardware which could emulate the behaviour of an IBM 3270 terminal. It could therefore be used both…

The IBM 3279 was IBM's first colour Terminal. It was introduced in 1979. The 3279 was widely used as an IBM mainframe terminal before PCs became commonly used for the purpose. It was part of the…

The IBM 350 Disk Storage was a major component of the IBM 305 RAMAC (Random Access Memory Accounting) system, introduced in September 1956.
The 350 Disk Storage Unit consisted of the magnetic…

The IBM 353 used on the IBM 7030, was similar to the IBM 1301, but with a faster transfer rate. It had a capacity of 2,097,152 (221) 64-bit words (two 32 data bit half words each with 7 ECC bits)…

The addition of disk storage to the IBM 650 Magnetic Drum Data Processing Machine made possible "single step processing." Instead of accumulating data to be processed in stages, transactions could…

IBM 357 Data Collection System is a punched card-based terminal system for sending and receiving remote data. It consisted of:

IBM 357 Reader
IBM 358 Control
IBM 026 Card Punch…

IBM 3767 Communication Terminal is a serial printer terminal that employed wire matrix print-head technology and, for the first time, the Synchronous Data Link Control (SDLC) communications…

The IBM 2780 and the IBM 3780 were devices developed by IBM to perform Remote Job Entry (RJE) functions. They communicated with the mainframe via Binary Synchronous Communications (BSC or Bisync…

IBM 3790 was a computer system announced in 1975, one of the first distributed computing platforms. It preceded the IBM 8100, announced in 1979.

It was designed to be installed in branch…

The IBM 402 and IBM 403 Accounting Machines were tabulating machines introduced by IBM in the late 1940s. The 402 could read punched cards at a speed of up to 150 cards per minute, while printing…

Introduced in 1934, the 405 Alphabetical Accounting Machine was the basic bookkeeping and accounting machine marketed by IBM for many years. Important features were expanded adding capacity,…

The IBM 407 Accounting Machine, introduced in 1949, was one of a long line of IBM tabulating machines dating back to the days of Herman Hollerith. It was the central component of any unit record…

The IBM 407 Accounting Machine, introduced in 1949, was one of a long line of IBM tabulating machines dating back to the days of Herman Hollerith. It was the central component of any unit record…

The IBM 4331 Processor features advanced large-scale integration technology to provide new and intermediate system users with significantly improved price/performance. The compact processor is…

The IBM 4341 Processor features advanced large-scale integration technology to provide new and intermediate system users with significantly improved price/performance. The compact processor is…

Highlights of 4361 Processor:
•Commercial performance equivalent to the 4331 model 2.
•Factory installed option increases engineering/scientific performance up to 1.4 times the model 2 for…

The IBM 4381 Processor is one of the most powerful and versatile intermediate system processors ever produced by IBM. Its system capabilities enable the 4381 to address an expanded range of user…

The IBM 5100 Portable Computer was a portable computer introduced in September 1975, six years before the IBM PC. It was the evolution of a prototype called the SCAMP (Special Computer APL Machine…

The IBM 5110 Computing System was the successor of the IBM 5100 Portable Computer.

Three variations of the IBM 5110 were built:

IBM 5110 Model 1 (with a built-in QIC DC300 tape drive…

The IBM 5120 Computing System (sometimes referred to as the IBM 5110 Model 3) was announced in February 1980 as the desktop follow-on to the IBM 5110 Computing System. It featured two built-in 8-…

The IBM 513 Reproducing Punch (photo) was a card punching machine developed by IBM. The machine could perform these functions:

Reproducing all or part of the data on a deck of punched cards…

The IBM 514 reproducing punch was first announced in February 1949. Subsequent announcements of new and enhanced models occurred through the next 15 years, with the last -- the Model 51 -- rolling…

The IBM 5151 was 12" transistor–transistor logic (TTL) monochrome monitor, shipped with the original IBM Personal Computer.

The IBM 519 Document-Originating Machine, introduced in 1946, was the last in a series of unit record machines designed for automated preparation of punched cards. It could

reproduce all or…

The 526 is a unique hybrid: it's an 026 Card Punch and Summary Punch and Interpreter combined. It's slower than a dedicated Summary Punch (18 columns per second = 15 cards per minute) but it…

The IBM 533 Input-Output Unit, announced on July 2, 1953, was a punched card reader and punch that served as the primary input-output unit for the IBM 650 computer. It had two independent card…

The IBM 537 processed 155 punched cards per minute.

The IBM 550 numerical interpreter was the first commercial machine made by IBM that read numerical data punched on cards and printed it across the top of each card. The 550 was introduced in 1930…

An interpreter adds printing to punched but otherwise blank cards, based on what's punched on each card. Most were not capable of reading or interpreting all 80 columns of a card. Thus the desired…

The IBM 557 Alphabetic Interpreter allowed holes in punched cards to be interpreted and the Hollerith punched card characters printed on any row or column, selected by a plugboard control panel.…

The IBM 602 Calculating Punch, introduced in 1946, was an electromechanical calculator capable of addition, subtraction, multiplication, and division. It was programmed using a plugboard control…

Announced on September 27, 1946, the IBM 603 Electronic Multiplier was the first electronic calculator ever placed into production. It consisted of two boxes: the Type 603 calculating unit and…

The IBM 604 was a control panel programmable Electronic Calculating Punch introduced in 1948, and was a machine on which considerable expectations for the future of IBM were pinned and in which a…

The IBM 608 calculator was the first completely transistorized computer available for commercial installation. Announced in April 1955, the 608 began the transition of IBM's line of small and…

The IBM 610 Auto-Point Computer was the first personal computer, in the sense of a computer to be used by one person and was controlled by a keyboard. The principal designer of this machine was…

The IBM 632 was a valve-and-relay driven basic (very basic) accounting machine, introduced in 1958, that was available in seven different models. It consisted of an IBM Electric typewriter and at…

The IBM 650 (photo) was one of IBM’s early computers, and the world’s first mass-produced computer. It was announced in 1953, and over 2000 systems were produced between the first shipment in 1954…

The IBM 652 furnished power for, and controlled the operation of, the 650's magnetic tape units (IBM 727), and contained the control circuitry for both tape units and disk storage units.

The IBM 653 was used for immediate access storage, indexing registers and automatic floating decimal arithmetic. It was an integral component of tape processing combinations, and was available…

The IBM 655 contained the 650's power supplies and was the only unit connected to the power source. In addition, the 655 provided for communication between the IBM 650 and the IBM 533.

The IBM 701 Defense Calculator (1952) was IBM's first production computer. It was designed primarily for scientific calculation and included "microsecond circuits installed at critical locations…

The 700/7000 commercial architecture inspired the very successful IBM 1400 series of mid-sized business computers. In turn, IBM later introduced a mainframe version of the IBM 1410 called the IBM…

The IBM 702 was IBM's response to the UNIVAC—the first mainframe computer using magnetic tapes. Because these machines had less computational power than the IBM 701 and ERA 1103, which were…

The IBM 7030 Data Processing System is the fastest, the most powerful and versatile in the world. It is now nearing completion at IBM's laboratories in Poughkeepsie, New York. The first system,…

The IBM 704, the first mass-produced computer with floating point arithmetic hardware, was introduced by IBM in 1954. The 704 was significantly improved over the IBM 701 in terms of architecture…

The IBM 7040 was a historic but short-lived model of transistor computer built in the 1960s.

IBM 7040 memory (2 x 16Ko)It was announced by IBM in December 1961, but did not ship until April…

The IBM 7044 was a scaled up version of the IBM 7040 mainframe computer, which, in turn, was a scaled down version of the IBM 7090 scientific computer.

The IBM 7044 was introduced in 1961…