Hardware

In October, 1983, IBM announced the IBM Personal Computer XT/370. This was an XT with three custom 8-bit cards. The processor card (370PC-P), contained two modified Motorola 68000 chips,and an…

The IBM Personal Computer AT, more commonly known as the IBM AT and also sometimes called the PC AT or PC/AT, was IBM's second-generation PC, designed around the 6 MHz Intel 80286 microprocessor…

The PS/2 Models 25 and 30 (IBM 8525 and 8530 respectively) were ISA-based (in other words, essentially IBM PC-like systems in a different form factor) systems, originally only available with Intel…

The PS/2 Models 25 and 30 (IBM 8525 and 8530 respectively) were ISA-based (in other words, essentially IBM PC-like systems in a different form factor) systems, originally only available with Intel…

the Model 30 286 — twice as fast and offering customers 25 times more memory capacity than the original Model 30.

The Personal System/2 Model 70 enhances the IBM Personal System/2 family of systems by offering a new level of performance in a desktop unit. The system is highlighted by the Micro Channel™…

The Personal System/2 Model 50 (IBM 8550) introduces advanced design and technology and a new MICRO CHANNEL ARCHITECTURE to provide significant price/performance enhancements for desktop computing…

According to the IBM Archive: IBM's Supplies Division introduced the Port-A-Punch in 1958 as a fast, accurate means of manually punching holes in specially scored IBM punched cards. Designed to…

The IBM Portable Personal Computer 5155 model 68 was an early portable computer developed by IBM after the success of Compaq's suitcase-size portable machine (the Compaq Portable). It was released…

The original PS/1, based on a 10 MHz Intel 80286 CPU, was designed to be easy to set up and use. It featured 1 MB of memory, built-in modem, an optional 30 MB hard disk. IBM also released a 5.25"…

Roadrunner is a supercomputer built by IBM at the Los Alamos National Laboratory in New Mexico, USA. Currently the world's tenth fastest computer, the US$133-million Roadrunner is designed for a…

Highlights

•S/390 CMOS general purpose processor
•Natural replacement for many 4381, 3090, 308X and "plug-compatible" systems, giving you all the benefits of S/390 CMOS technology…

The IBM Selective Sequence Electronic Calculator (SSEC) was an electromechanical computer built by IBM. Its design was started in late 1944, and it operated from January 1948 to 1952. It had many…

The IBM Selectric typewriter was a highly successful model line of electric typewriters introduced by IBM on July 31, 1961.
Instead of the "basket" of individual typebars that swung up to…

The IBM Series/1 computer is a 16-bit minicomputer, introduced in 1976, that in many respects competed with other minicomputers of the time, such as the PDP-11 from Digital Equipment Corporation…

The IBM shoebox was a 1961 IBM computer that was able to perform mathematical functions and perform speech recognition. It recognized 16 spoken words and the digits 0 through 9.

The IBM System 9000 Instrument Controller was a largely unsuccessful IBM workstation that was announced in 1982 for use as a laboratory computer. It was based on the Motorola 68000, running at 8…

IBM System z10 is a line of IBM mainframes. The z10 Enterprise Class (EC) was announced on February 26, 2008. On October 21, 2008, IBM announced the z10 Business Class (BC), a scaled down version…

IBM System z10 is a line of IBM mainframes. The z10 Enterprise Class (EC) was announced on February 26, 2008. On October 21, 2008, IBM announced the z10 Business Class (BC), a scaled down version…

IBM System z9 is a line of IBM mainframe. It was announced on July 25, 2005 and the first models were available on September 16, 2005. The System z9 also marks the end of the previously used…

The System/23 Datamaster (Model 5322) was announced by IBM in July 1981, only one month before the IBM PC. The Datamaster was an all-in-one computer with text-mode CRT display, keyboard, processor…

The IBM System/3 (introduced 1969 discontinued 1985) was a low-end business computer aimed at new customers and organizations that still used IBM 1400 series computers or unit record equipment. It…

Debuting on January 7, 1975, the IBM System/32 was designed specifically to meet the needs of small businesses. It is the first system to incorporate hardware and comprehensive application…

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…

The IBM System/36 (often abbreviated as S/36) was a minicomputer marketed by IBM from 1983 to 2000. It was a multi-user, multi-tasking successor to the System/34. Like the System/34 and the older…

The IBM System/360 (S/360) was a mainframe computer system family first announced by IBM on April 7, 1964, and sold between 1964 and 1978. It was the first family of computers designed to cover…

System/360 Model 195, is the most powerful computer in IBM's product line. It uses monolithic circuits, has a high-performance buffer memory and can perform many functions simultaneously.

Announced in November 1964 was the System/360 Model 20. This computer was not fully compatible with the System/360 design, in that it only had eight general registers, numbered from 8 to 15, and…

The Model 22 was introduced in 1971 as a general purpose computer that combined intermediate-scale data processing capability with small-system economy. Its main storage was either 24K or 32K.

Announced in 1968, the Model 25 was a versatile and compact System/360 for users of small and medium sized computers.

The IBM System/360 Model 30 was a popular IBM mainframe announced in 1964 across the world as the least powerful of the System/360 range of four compatible computers – the first range in the world…

The IBM System/360 Model 40 had approximately three times the internal power of the Model 30 when performing a mix of computations. It was a powerful stand-alone system in the medium price range…

IBM System/360 Model 44 draws its special talent for scientific computing from a combination of fast parallel binary operations; short-, long-, and variable-length precision floating point…

The IBM System/360 Model 50 had approximately ten times the internal power of the Model 30 when performing a mix of computations. It was the most powerful unit in the medium price range with…

The Model 65 replaced two models announced in 1964 but never built. The first Model 65 went to MIT. A version for timesharing, called the Model 67, was the first 360 to use virtual memory.

The IBM System/360 Model 67 (S/360-67) was an important IBM mainframe model in the late 1960s. Unlike the rest of the S/360 series, it included features to facilitate time-sharing applications,…

The Model 75 was an outgrowth of IBM's continuing engineering development effort to enhance the capabilities of the original System/360 offerings. Its main memory operated at 750 nanoseconds and…

It is specifically designed to handle ultra-high-speed data processing for scientific applications such as space exploration, theoretical astromony, sub-atomic physics and global weather…

The IBM System/370 (S/370) was a model range of IBM mainframes announced on June 30, 1970 as the successors to the System/360 family. The series maintained backward compatibility with the S/360,…

The IBM System/370 Model 115, announced today, establishes new levels of efficiency and economy for a large number of computer users expanding into advanced on-line applications.

The Model…

The IBM System/370 Model 125, announced on October 4, 1972, makes it easier and more economical than ever for many computer users to move into the key data processing applications of the Seventies…

For many users of intermediate and smaller computers, the IBM System/370 Model 135, announced on March 8, 1971, will provide economical and flexible entry into a wide range of advanced data base…

The new IBM System/370 Model 138 combines a faster internal speed with a variety of features that can help the medium-scale user expand computer applications more easily and economically.

In a major departure from conventional computer technology, International Business Machines Corporation on September 23, 1970 introduced its first computer using a main memory made entirely of…

The new IBM System/370 Model 148 combines faster internal speeds with a variety of features that can help the medium-scale user expand computer applications more easily and economically.

The IBM System/370 Model 155 was a high-performance data processing system that provided the reliability, availability, and convenience demanded by business and scientific users, as well as by…

The IBM System/370 Model 158 was a medium-size, high performance data processing system that incorporated integrated monolithic main storage, virtual storage capability, integrated storage…

IBM System/370 Models 155 and 165, are designed for the emerging data processing needs of the Seventies - - large data bases, remote computing and high-throughput multiprogramming.

The Model 168 of 1972 was designed for high availability, eased application development and operational flexibility, with an emphasis on the needs of large data base and data communications users…

The System/38 was a midrange computer server platform manufactured and sold by the IBM Corporation. The system offered a number of innovative features, and was the brainchild of IBM engineer Dr.…