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Page "Mainframe computer" ¶ 10
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IBM and claimed
" Warp " had originally been the internal IBM name for the release: IBM claimed that it had used Star Trek terms as internal names for past OS / 2 releases, and that this one seemed appropriate for external use as well.
* John Titor supposedly time travels back to the winter of 1975 to retrieve an IBM 5100 computer which he claimed was needed to " debug " various legacy computer programs in 2036.
IBM claimed that the new DB2 was the first relational database to store XML " natively ".
It is sometimes claimed that the IBM SSEC, operational in January 1948, was the first stored-program computer ; this claim is controversial, not least because of the hierarchical memory system of the SSEC, and because some aspects of its operations, like access to relays or tape drives, were determined by plugging.
* A very early Trojan Horse designed for the IBM PC called ARF-ARF was downloaded from BBS sites and claimed to “ Sort ” the DOS Diskette Directory.
The deal was spectacularly successful, and SCP later claimed in court that Microsoft had concealed its relationship with IBM in order to purchase the operating system cheaply.
When Digital Research founder Gary Kildall examined PC DOS and found that it duplicated CP / M's programming interface, he wanted to sue IBM, which at the time claimed that PC DOS was its own product.
SCO claimed that IBM had, without authorization, contributed SCO's intellectual property to the codebase of the open source, Unix-like Linux operating system.
Titor claimed that he was sent back to obtain an IBM 5100 because it could translate several types of computer code.
The HCF instruction was originally a fictitious instruction, claimed to be under development at IBM for use in their System / 360 computers, along with many other amusing instructions such as, " Electrocute Computer Operator ".
On May 28, 2003, Novell claimed that although it had transferred certain Unix assets to SCO ’ s predecessor, the Santa Cruz Operation, it had never transferred the copyrights upon which the IBM case hinged.
IBM claimed at ISCA 29 that peak performance was achieved by high frequency designs with 10-20 FO4 delays per pipeline stage at the cost of power efficiency.
Honeywell claimed an initial rush of hundreds of orders for the H200 that itself stalled when IBM countered with a marketing emphasis on their System 360 product range that was then under development.

IBM and its
However, poor marketing and failure to repeat the technological advances of the first systems meant that the Amiga quickly lost its market share to competing platforms, such as the fourth generation game consoles, Apple Macintosh and IBM PC compatibles.
AIX ( Advanced Interactive eXecutive, pronounced ) is a series of proprietary Unix operating systems developed and sold by IBM for several of its computer platforms.
The AIX family of operating systems debuted in 1986, became the standard operating system for the RS / 6000 series on its launch in 1990, and is still actively developed by IBM.
AIX was the first operating system to utilize journaling file systems, and IBM has continuously enhanced the software with features like processor, disk and network virtualization, dynamic hardware resource allocation ( including fractional processor units ), and reliability engineering ported from its mainframe designs.
In the meantime IBM had released its original IBM PC, which incidentally looked remarkably like the Asters base with floppy drives + separate keyboard set-up.
During the early 1960s, while also active in ASCII standardization, IBM simultaneously introduced in its product line of System / 360 the 8-bit Extended Binary Coded Decimal Interchange Code ( EBCDIC ), an expansion of their 6-bit binary-coded decimal ( BCDIC ) representation used in earlier card punches.
Like IBM, Burroughs tried to supply a complete line of products for its customers, including Burroughs-designed printers, disk drives, tape drives, computer printing paper, and even typewriter ribbons.
TWA canceled the project in 1970, acquiring one IBM System / 360 Model 75, two IBM System / 360 model 65s, and IBM's PARS software for its reservations system.
In 1964 IBM introduced its System / 360 computer architecture which was used in a series of computers that could run the same programs with different speed and performance.
For example, the IBM System / 370 used a CPU that was primarily 32 bit, but it used 128-bit precision inside its floating point units to facilitate greater accuracy and range in floating point numbers.
IBM contributed its Common User Access model from OS / 2's Workplace Shell.
An IBM-made 386 machine eventually reached the market seven months later, but by that time Compaq was the 386 supplier of choice and IBM had lost its image of technical leadership.
Pfeiffer's vision was to move Compaq beyond its main business of manufacturing retail PCs and into the more lucrative business services and solutions that IBM did well at.
However, the PDP-6 proved to be a " hard sell " with customers, as it offered few advantages over similar machines from the better established vendors like IBM or Honeywell, in spite of its low cost around $ 300, 000.
According to author Steven Levy, IBM had discovered differential cryptanalysis on its own, and the NSA was apparently well aware of the technique.
While IBM was a chief proponent of the ASCII standardization committee, they did not have time to prepare ASCII peripherals ( such as card punch machines ) to ship with its System / 360 computers, so the company settled on EBCDIC.
However, in an effort to reassert its dominant role, IBM patented the bus, and placed stringent licensing and royalty policies on its use.
* 1924 – The Computing-Tabulating-Recording Company changes its name to International Business Machines Corporation ( IBM ).
DRI, which had only a few products, might have been unwilling to sell its main product to IBM for a one-time payment rather than its usual royalty-based plan.
When the IBM PC was introduced, IBM sold its operating system as an unbundled ( but necessary ) option.

IBM and newer
The newer 16-bit standard, the IBM AT bus, was introduced in 1984.
Hercules is technically compatible with all IBM mainframe operating systems, even older versions which no longer run on newer mainframes.
VGA was the last graphical standard introduced by IBM that the majority of PC clone manufacturers conformed to, making it today () the lowest common denominator that almost all post-1990 PC graphics hardware can be expected to implement down to the lowest level of hardware registers, obviating the need for any device-specific firmware or driver software ( while all VGA compatible hardware has on-board firmware as well, the only standardized API of that firmware was created for 16-bit real mode and can't easily be used by newer 32-or 64-bit operating systems ).
IBM researchers have demonstrated MRAM devices with access times on the order of 2 ns, somewhat better than even the most advanced DRAMs built on much newer processes.
DE9 connectors were not used for game ports on the Apple Macintosh, Apple III, IBM PC systems, or most newer game consoles.
( This migration is straightforward and comparable to upgrading from one IBM model to a newer IBM model.
UMES was in use at the University of Michigan until 1967, when MTS was phased in to take advantage of the newer virtual memory time-sharing technology that became available on the IBM System / 360 Model 67.
In 2007, IBM announced z / OS 1. 9 which includes several new USS features, including partial alignment with the newer Single UNIX Specification Version 3 ( UNIX 03 ).
A newer IBM technology, racetrack memory, uses an array of many small nanoscopic wires arranged in 3D, each holding numerous bits to improve density.
Many IBM peripheral devices that were part of System / 360, but were adapted from second-generation designs, continued to use SMS circuitry instead of the newer SLT.
At the end of 1948 a new IBM 604 multiplier was announced, which used newer tube technology that already made the bulky tubes of the SSEC obsolete.

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