IBM - IBM alumni

Many IBMers have also achieved notability outside of work and after leaving IBM. In business, former IBM employees include Apple Inc. CEO Tim Cook, former EDS CEO and politician Ross Perot, Microsoft chairman John W. Thompson, SAP co-founder Hasso Plattner, Gartner founder Gideon Gartner, Advanced Micro Devices (AMD) CEO Lisa Su, former Citizens Financial Group CEO Ellen Alemany, former Yahoo! chairman Alfred Amoroso, former AT&T CEO C. Michael Armstrong, former Xerox Corporation CEOs David T. Kearns and G. Richard Thoman, former Fair Isaac Corporation CEO Mark N. Greene, Citrix Systems co-founder Ed Iacobucci, ASOS.com chairman Brian McBride, former Lenovo CEO Steve Ward, Maria Azua is SVP of Distributed Hosting & Cloud Enablement Services for Fidelity Investments and former Teradata CEO Kenneth Simonds.

IBM 308X - IBM 3083

Of the various 3083 models listed by IBM in their announcement, the CX has the slowest instruction execution rate. Next in speed are the E and EX, followed by B and BX. The J and JX are the fastest 3083s.

IBM 4300 - IBM 4381

The IBM 4381 had a greater longevity than any of the above systems. Model Groups 1 & 2 were announced Sep 15, 1983 and withdrawn Feb 11, 1986. Model Group 3 was announced Oct 25, 1984 and withdrawn Feb 11, 1986. Model Groups 11, 12, 13 & 14 were announced Feb 11, 1986. Model Groups 21, 22, 23 & 24 were announced May 19, 1987 and withdrawn Aug 19, 1992.

IBM 4300 - IBM 4341

Oct. 20, 1982 IBM announced a new entry-level 4341 model, Model Group 9 and a new top-of-the-line 4341, Model Group 12.

IBM 3101 - IBM 3152

The IBM 3152 Color ASCII Display Station became available in 1992 in European, Middle Eastern and African countries. It included:


Is an improved version of the IBM 386SLC, based on the Intel core. IBM 486SLC featured 16Kb of L1 cache and the i486 instruction set. It had 1.349 million transistors and a 69mm² die. It was manufactured in 1992. It came in a 100-pin BQFP package, with 33 MHz FSB speed. The 486SLC was also available in a clock-doubled version, the 486SLC2 (50 & 66 MHz), and later in a clock tripled-version, the 486SLC3 (60, 75, & 100 MHz). Clock-for-clock, it was substantially faster than the similarly-named Cyrix part, yielding performance broadly comparable to a similarly-clocked 486SX in the 16-bit applications of its day. However, its narrow 16-bit bus, limited memory addressing capability (16 MB) and lack of on-chip FPU would prove to be major disadvantages under the new generation of 32-bit operating systems (such as Windows 95) that would become popular in following years.

IBM 3101 - IBM 3101

The IBM 3101 was used with a variety of IBM and non-IBM computers. As an asynchronous communication display, it competed with products from Digital Equipment Corporation (e.g. VT100), Wyse Technology (e.g. 50/60/70), Applied Digital Data Systems (e.g. ADDS Viewpoint) and others. It was often used as a data processing terminal on non-IBM minicomputers and the IBM Series/1.

IBM 3800 - IBM 3812

The IBM 3812 (of which there was more than one model) was described as a tabletop Pageprinter.

IBM Storage - IBM XIV

The IBM XIV Storage System is designed to work well in cloud and virtualized environments. The XIV Gen3 model offers 2, 3, 4 or 6 TB drives, providing up to 485 TB of usable capacity per rack. SSD caching (available as an option) adds up to 12 TB of management-free high-performance data caching capability to the entire array. The system can also connect to external storage via Fibre Channel (8Gbit/s) and iSCSi (1 or 10 Gbit/s).

IBM 3101 - IBM 3153

The IBM 3153 InfoWindow II Color ASCII Display Station became available in 1993. Similarly to the NCR (Boundless Technologies) 2900 series of terminals, it could be used with cash registers and kitchen monitor systems.

IBM 101 - IBM 524

The IBM 524 is a Duplicating Summary Punch, and two of them can be attached to an IBM 101.

IBM 3101 - IBM 3151

The IBM 3151 ASCII Display Station became available in 1987, and included:

IBM 7090 - IBM 7094

An upgraded version, the IBM 7094, was first installed in September 1962. It has seven index registers, instead of three on the earlier machines. The 7094 console has a distinctive box on top that displays lights for the four new index registers. photos The 7094 introduced double-precision floating point and additional instructions, but is largely backward compatible with the 7090. Minor changes in instruction formats, particularly the way the additional index registers are addressed, sometimes caused problems. On the earlier models, when more than one bit is set in the tag field, the contents of the two or three selected index registers are ORed, not added together, before the decrement takes place. On the 7094, if the three-bit tag field is not zero, it selects just one of seven index registers, however the "or" behavior remains available in a "multiple tag" compatibility mode.

IBM 4300 - IBM 4361

The IBM 4361 Model Groups 4 & 5 were announced Sept. 15, 1983. Model Group 3 was announced the following year, Sept. 12, 1984.

IBM 3270 - IBM 3179G

The G10 model is a standard 122-key typewriter keyboard, while the G20 model offers APL on the same layout. Compatible with IBM System/370, IBM 4300 series, 303x, 308x, IBM 3090, and IBM 9370.

IBM 4300 - IBM 4321

The IBM 4321 was announced November 18, 1981.

IBM 3800 - IBM 3820

The IBM 3820, introduced in 1985, was IBM's first cut-sheet printer.

IBM 308X - IBM 3081

"The IBM 3081 Processor Complex offers flexible growth steps in the 308X family of processors, between the 3083 Model Groups F, B and J and the 3084."

IBM AIX - IBM mainframes

In 1988, IBM announced AIX/370, also developed by Locus Computing. AIX/370 was IBM's fourth attempt to offer Unix-like functionality for their mainframe line, specifically the System/370 (the prior versions were a TSS/370-based Unix system developed jointly with AT&T c.1980, a VM/370-based system named VM/IX developed jointly with Interactive Systems Corporation c.1984, and a VM/370-based version of TSS/370 named IX/370 which was upgraded to be compatible with Unix System V). AIX/370 was released in 1990 with functional equivalence to System V Release 2 and 4.3BSD as well as IBM enhancements. With the introduction of the ESA/390 architecture, AIX/370 was replaced by AIX/ESA in 1991, which was based on OSF/1, and also ran on the System/390 platform. This development effort was made partly to allow IBM to compete with Amdahl UTS. Unlike AIX/370, AIX/ESA ran both natively as the host operating system, and as a guest under VM. AIX/ESA, while technically advanced, had little commercial success, partially because UNIX functionality was added as an option to the existing mainframe operating system, MVS, which became MVS/ESA OpenEdition in 1999.

IBM 4300 - IBM 4341

The IBM 4341 (and the 4331) were announced Jan 30, 1979 Like the 4331, it came with an integrated adapter that permitted attaching up to 16 of the newly introduced IBM 3370 DASD. The 4341 did not support the much lower capacity IBM 3310.