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Power ISA-based processor
The IBM A2 is an open source massively multicore capable and multithreaded 64-bit Power ISA processor core designed by IBM using the Power ISA v.2.06 specification
IBM_A2
Topics referred to by the same term
System used on UNIVAC I A2 (operating system), software to run a computer DiMAGE A2, a digital camera produced by Minolta IBM A2, an IBM processor used in its
A2
Series of supercomputers by IBM
architectures. The Blue Gene/Q "compute chip" is based on the 64-bit IBM A2 processor core. The A2 processor core is 4-way simultaneously multithreaded and was
IBM_Blue_Gene
practice on all IBM DASD hereafter. Disk units are identified as Models A2, A2F, B2, B2F, C2, and C2F with each model containing two HDAs. Model A2 and A2F has
History of IBM magnetic disk drives
History_of_IBM_magnetic_disk_drives
Computer architecture bit width
Holdings' AArch64 architecture IBM's PowerPC/Power ISA: IBM's Power10 processor and predecessors, and the IBM A2 processors IBM's z/Architecture, a 64-bit version
64-bit_computing
First computer to use magnetic disk storage
The IBM 305 RAMAC was the first commercial computer that used a moving-head hard disk drive (magnetic disk storage) for secondary storage. The system
IBM_305_RAMAC
2014 family of multi-core microprocessors by IBM
2002 and Magna 2002S (machine learning) IBM Power microprocessors OpenPOWER Foundation POWER7 POWER9 IBM A2 "You won't find this in your phone: A 4GHz
POWER8
Supercomputer located at CINECA
cores. Each compute card (compute node) features a 1.6 GHz IBM processor chip with 16 A2 cores, 16 GB of RAM and the network connections. A total of
Fermi_(supercomputer)
Punched-card reader
functions of a control unit required by other devices. The A1 and A2 are for the IBM 1130. The 2501 uses a photoelectric sensor to read the data punched
IBM_2501
IBM remote job entry devices
or A2 2213 Printer Model 1 or 2 2265 Display Station Model 2 2502 Card Reader Model A1 or A2 5496 Data Recorder In May 1972, IBM announced the IBM 3780
IBM_remote_batch_terminals
Beginning with its 1964 System/360 announcement, IBM's mainframes initially accessed count key data (CKD) subsystems via a channel connected to separate
History of IBM CKD Controllers
History_of_IBM_CKD_Controllers
In microprocessor architecture
64-bit dual-threaded in-order PowerPC 2.02 microprocessor core designed by IBM for use primarily in the game consoles PlayStation 3 and Xbox 360, but has
Power_Processing_Element
IBM 7340: IBM 7070/IBM 7074 hypertape (7074 only) IBM 7400: IBM 7070/IBM 7074 Printer IBM 7500: IBM 7070/IBM 7074 Card Reader IBM 7501: IBM 7070/IBM 7074
List_of_IBM_products
Purposely unassigned Unicode code points
page 1445 (IBM AFP PUA No. 1) for plane 15 with IBM allocations in U+FFF00–U+FFFFD, and code page 1449 (IBM default PUA) for the BMP PUA with IBM allocations
Private_Use_Areas
5 GHz, superscalar, out-of-order, 48 MB L3 cache, 384 MB shared L4 cache IBM A2 15 multicore, 4-way simultaneous multithreaded PowerPC 401 1996 3 PowerPC
Comparison of CPU microarchitectures
Comparison_of_CPU_microarchitectures
Low-end IBM computer model from 1960s
The IBM System/360 Model 20 is the smallest member of the IBM System/360 family announced in November 1964. The Model 20 supports only a subset of the
IBM_System/360_Model_20
Business alliance
alliance was a landmark partnership from 1991 to the late 1990s between Apple, IBM, and Motorola. The goal was to create a vast new computing platform of hardware
AIM_alliance
ASCII-based IBM computer terminal introduced in 1979
variety of IBM and non-IBM computers during the 1980s–90s, especially the data processing terminals on non-IBM minicomputers, IBM Series/1 and IBM AIX computers
IBM_3101
Line of computer servers from IBM
IBM Power Systems is a family of server computers from IBM that are based on its Power processors. It was created in 2008 as a merger of the System p and
IBM_Power_Systems
Six-bit binary-coded decimal codes
fixed number of bits, usually four. With the introduction of the IBM card in 1928, IBM created a code capable of representing alphanumeric information
BCD_(character_encoding)
Instruction set
IBM POWER is a reduced instruction set computer (RISC) instruction set architecture (ISA) developed by IBM. The name is an acronym for Performance Optimization
IBM_POWER_architecture
Family of microprocessors
The IBM RS64 is a family of microprocessors introduced by IBM in the mid 1990s, and used in the RS/6000 and AS/400 servers. These microprocessors implement
IBM_RS64
RISC instruction set architecture by AIM alliance
computer (RISC) instruction set architecture (ISA) created by the 1991 Apple–IBM–Motorola alliance, known as AIM. PowerPC, as an evolving instruction set
PowerPC
Radiation-hardened computer
radiation-hardened single-board computer, based on the IBM RISC Single Chip CPU, was manufactured by IBM Federal Systems. IBM Federal Systems was sold to Loral, and by
IBM_RAD6000
CPU used in the Xbox 360
Xenos graphics chip. The processor was developed by Microsoft and IBM under the IBM chip program codenamed "Waternoose", which was named after the Monsters
Xenon_(processor)
American businesswoman (1929–1994)
national United Way’s executive committee where she served most notably with IBM's CEO, John Opel, and the first woman on the First Interstate Bank of Washington's
Mary_Maxwell_Gates
2010 family of multi-core microprocessors by IBM
developed by IBM at several sites including IBM's Rochester, MN; Austin, TX; Essex Junction, VT; T. J. Watson Research Center, NY; Bromont, QC and IBM Deutschland
POWER7
Series of microprocessors from IBM
microprocessors (originally POWER prior to Power10) are designed and sold by IBM for servers and supercomputers. The name "POWER" was originally presented
IBM_Power_microprocessors
Integrated circuit
Communications Element (ACE) names. The 16450(A) UART, commonly used in IBM PC/AT-series computers, improved on the 8250 by permitting higher serial
8250_UART
32-bit CPU for the Wii
was designed by IBM, and was initially produced using a 90 nm SOI process and later produced with a 65 nm SOI process. According to IBM, the processor
Broadway_(processor)
2007 family of multiprocessors by IBM
developed by IBM that implemented the Power ISA v.2.05. When it became available in systems in 2007, it succeeded the POWER5+ as IBM's flagship Power
POWER6
CPU for the GameCube
a superscalar out-of-order 32-bit PowerPC microprocessor custom-made by IBM in 2000 for Nintendo to use as the CPU in their sixth generation game console
Gekko_(processor)
IBM supercomputer at Lawrence Livermore National Laboratory
Sequoia was a petascale Blue Gene/Q supercomputer constructed by IBM for the National Nuclear Security Administration as part of the Advanced Simulation
Sequoia_(supercomputer)
SIMD instruction set extension for the PowerPC ISA
floating-point and integer SIMD instruction set designed and owned by Apple, IBM, and Freescale Semiconductor (formerly Motorola's Semiconductor Products
AltiVec
2017 family of multi-core microprocessors by IBM
family of superscalar, multithreading, multi-core microprocessors produced by IBM, based on the Power ISA. It was announced in August 2016. The POWER9-based
POWER9
Multi-core microprocessor microarchitecture
multi-core processor and microarchitecture developed by Sony, Toshiba, and IBM—an alliance known as "STI". It combines several elements: a general-purpose
Cell_(processor)
64-bit processor
PowerPC 970, PowerPC 970FX, and PowerPC 970MP are 64-bit PowerPC CPUs from IBM introduced in 2002. Apple branded the 970 as PowerPC G5 for its Power Mac
PowerPC_970
Radiation-hardened computer (2001)
Qorivva IBM Power series (1990) POWER1 POWER2 POWER3 POWER4 POWER5 POWER6 POWER7 POWER8 POWER9 Power10 PowerPC series (1992) 6xx 4xx 7xx 74xx 970 A2 (2010)
RAD750
2020 family of multi-core microprocessors by IBM
units compared to its predecessor POWER9. Power10 is available in a range of IBM models and is supported by operating systems including Linux 5.9 and PowerVM
Power10
drives 4 drives -------- ---------- -------------- A1 A1 A1 A1 A2 A1 A1 A2 A2 A2 A2 A2 A3 A3 A3 A3 A4 A4 A3 A3 A4 A4 A5 A5 A5 A6 A6 A4 A4 A5 A6 A6 A7
Non-standard_RAID_levels
Windows character set for Greek alphabet
locations (0xA1 and 0xA2) to their Windows-1252 locations (0x91 and 0x92). The displaced ΅ and Ά are moved to the vacated space at 0xA1 and 0xA2 respectively.
Windows-1253
Notebook computer series by IBM
The IBM ThinkPad 360 series was a notebook computer series introduced in 1994 by IBM as part of their ThinkPad laptop series. It was succeeded in late
ThinkPad_360
System architecture for PowerPC-based computer systems
system architecture for PowerPC-based computer systems published jointly by IBM and Apple in 1995. Like its predecessor PReP, it was conceptualized as a
Common Hardware Reference Platform
Common_Hardware_Reference_Platform
Computer system architecture
developed at the same time as the PowerPC processor architecture. Published by IBM in 1994, it allowed hardware vendors to build a machine that could run various
PowerPC_Reference_Platform
Office skyscraper in Manhattan, New York
Street Journal. April 7, 1994. p. A2. ISSN 0099-9660. ProQuest 398371227. Deutsch, Claudia H. (May 7, 1994). "I.B.M. Sells Its Building In New York".
590_Madison_Avenue
Family of PowerPC processors
facility in Austin, Texas, jointly funded and staffed by engineers from IBM and Motorola as a part of the AIM alliance. Somerset was opened in 1992 and
PowerPC_600
2004 family of multiprocessors by IBM
The POWER5 is a microprocessor developed and fabricated by IBM. It is an improved version of the POWER4. The principal improvements are support for simultaneous
POWER5
Early programming language for lists
JOHNNIAC), IPL-III (existed briefly), IPL-IV, IPL-V (1958, for IBM 650, IBM 704, IBM 7090, Philco model 212, many others. Widely used). IPL-VI was a
Information Processing Language
Information_Processing_Language
initially developed in the early 1990s by the AIM alliance, i.e. Apple, IBM, and Motorola. Even though these consoles share much in regard to instruction
List of PowerPC-based game consoles
List_of_PowerPC-based_game_consoles
32-bit CPU for the Wii U
unit (CPU) used in Nintendo's Wii U video game console. It was designed by IBM, and was produced using a 45 nm silicon-on-insulator process. The Espresso
Espresso_(processor)
Microprocessor built by IBM
Rivina is an experimental 64-bit PowerPC microprocessor built by IBM in 2000. It was the successor to "guTS" (Gigahertz Unit Test Site) and the purpose
IBM_Rivina
Radiation-hardened 64-bit processor core design
Electronics, Intelligence & Support based on the PowerPC e5500 designed by IBM and Freescale Semiconductor. Successor of the RAD750, the RAD5500 processor
RAD5500
Measure of computer performance
and VAX, base two or ten for IEEE floating point formats, and base 16 for IBM Floating Point Architecture) and the significand (number after the radix
Floating point operations per second
Floating_point_operations_per_second
Any of a set of standard configurations of Redundant Arrays of Independent Disks
section shows how the data is distributed into stripes on two disks, with A1:A2 as the first stripe, A3:A4 as the second one, etc. Once the stripe size is
Standard_RAID_levels
General-purpose programming language
computation and scientific computing. Fortran was originally developed by IBM with a reference manual being released in 1956; however, the first compilers
Fortran
(the Assembler System for Student Instruction and Systems Teaching) is an IBM System/370-compatible assembler and interpreter developed in the early 1970s
ASSIST_(computing)
Family of processor cores
the 400 family cores from IBM in April 2004 for $227 million, and they now market the processors under their own name. IBM continues evolving the cores
PowerPC_400
with 512 kB L2 cache announced by IBM in 2001 and available early 2002 at 1 GHz 750GX with 1 MB L2 cache introduced by IBM in 2003 970 (2003), 64-bit, derived
List_of_PowerPC_processors
1993 family of microprocessors by IBM
by IBM that implemented the POWER instruction set architecture. The POWER2 was the successor of the POWER1, debuting in September 1993 within IBM's RS/6000
POWER2
macOS Server (formerly Mac OS X Server and OS X Server) Apple Network Server IBM AIX (Apple-customized) Apple MessagePad Newton OS iPhone and iPod Touch iOS
List_of_operating_systems
System of digitally encoding numbers
IBM computers, including the IBM 1620 (introduced in 1959), IBM 1400 series, and non-decimal architecture members of the IBM 700/7000 series. The IBM
Binary-coded_decimal
2001 family of microprocessors by IBM
POWER4 is a microprocessor developed by International Business Machines (IBM) that implemented the 64-bit PowerPC and PowerPC AS instruction set architectures
POWER4
Semiconductor manufacturing process
processors, assigning up to €145 billion in funds.[needs update] In May 2021, IBM announced it had produced chips with 2 nm-class GAAFET transistors using
2_nm_process
64-bit big-endian PowerPC architecture
PowerXCell 8i and Xenon. PWRficient POWER6 and POWER6+ POWER7 and POWER7+ A2, A2I (used in the Blue Gene/Q) and A2O PowerPC e5500 core based PowerPC e6500
Ppc64
1998 family of microprocessors by IBM
The POWER3 is a microprocessor, designed and exclusively manufactured by IBM, that implemented the 64-bit version of the PowerPC instruction set architecture
POWER3
Multi-chip CPU by IBM implementing the POWER instruction set architecture
The POWER1 is a multi-chip CPU developed and fabricated by IBM that implemented the POWER instruction set architecture (ISA). It was originally known
POWER1
Defunct global computer industry organization
guidelines, best practices, and certifications. It was founded in 2004 by IBM and 15 other companies. Freescale (later bought by NXP Semiconductors) joined
Power.org
Family of 32-bit microprocessors
third generation 32-bit PowerPC microprocessors designed and manufactured by IBM and Motorola (spun off as Freescale Semiconductor bought by NXP Semiconductors)
PowerPC_7xx
Microprocessor architecture
CoreConnect is a microprocessor bus-architecture from IBM for system-on-a-chip (SoC) designs. It was designed to ease the integration and reuse of processor
CoreConnect
Two-player game invented by Martin Gardner
with perfect play, White will always lose in 3 moves (1.b2 axb2 2.cxb2 c2 3.a2 c1#). Indeed, Gardner specifically constructed it as a game with a small game
Hexapawn
Games for the Sony PlayStation / PS1 / PSone
Unreleased Unreleased A Nanjarin To One To One June 11, 1998 Unreleased Unreleased A2 Racer III: Europa Tour •Autobahn RaserDE Davilex Davilex Unreleased 2002 Unreleased
List of PlayStation (console) games (A–L)
List_of_PlayStation_(console)_games_(A–L)
Programmable machine that processes data
mobile computers were heavy and ran from mains power. The 50 lb (23 kg) IBM 5100 was an early example. Later portables such as the Osborne 1 and Compaq
Computer
Character encodings for Japanese on EBCDIC mainframes
Japanese language on computers, including variants defined by Hitachi, Fujitsu, IBM and others. Some are variable-width encodings, employing locking shift codes
Japanese_language_in_EBCDIC
Network coprocessor
Qorivva IBM Power series (1990) POWER1 POWER2 POWER3 POWER4 POWER5 POWER6 POWER7 POWER8 POWER9 Power10 PowerPC series (1992) 6xx 4xx 7xx 74xx 970 A2 (2010)
Communications Processor Module
Communications_Processor_Module
Character encoding system
earlier DOS-only versions of Lotus 1-2-3 and Symphony. LMBCS is also used in IBM/Lotus SmartSuite, Notes and Domino, as well as in a number of third-party
Lotus Multi-Byte Character Set
Lotus_Multi-Byte_Character_Set
Type of radiation hardened processor
Qorivva IBM Power series (1990) POWER1 POWER2 POWER3 POWER4 POWER5 POWER6 POWER7 POWER8 POWER9 Power10 PowerPC series (1992) 6xx 4xx 7xx 74xx 970 A2 (2010)
RHPPC
CPU register used for modifying operand addresses
instruction to specify multiple index registers add the contents together, IBM had a line of computers in which the contents were or'd together. Index registers
Index_register
'1dt G10 = A1 AND B1 '1dt D10 = A1 XOR B1 '1dt P20 = A2 OR B2 '1dt G20 = A2 AND B2 '1dt D20 = A2 XOR B2 '1dt P30 = A3 OR B3 '1dt G30 = A3 AND B3 '1dt
Ling_adder
Sound generating integrated circuit
updated and widely adopted in systems like the BBC Micro, ColecoVision, IBM PCjr, Sega's Master System and Game Gear, and the Tandy 1000. The SN76489
Texas_Instruments_SN76489
South Korean character set
ways, e.g. the EUC-KR extensions MacKorean on the classic Mac OS, and IBM-949 by IBM. The Hangul Filler character is used to introduce eight-byte Hangul
KS_X_1001
1982 video game
the Apple II, then ported to the Atari 8-bit computers, Commodore 64, and IBM PC (as a self-booting disk). Night Mission Pinball simulates a pinball machine
Night_Mission_Pinball
Arithmetic logic circuit
1930s binary mechanical computer, the Zuse Z1. Gerald B. Rosenberger of IBM filed for a patent on a modern binary carry-lookahead adder in 1957. Two
Carry-lookahead_adder
Direct access storage device data recording format
data recording format introduced in 1964, by IBM with its IBM System/360 and still being emulated on IBM mainframes. It is a self-defining format with
Count_key_data
bharatgenai/Param2-17B-A2.4B-Thinking". 16 February 2026. Retrieved 12 April 2026 – via Hugging Face. "bharatgenai/Param2-17B-A2.4B-Thinking". Retrieved
List_of_large_language_models
American software development company
graphics software for CP/M, the A2-3D1 animation library for the Apple II, the X-1 video card and 3D graphics software for IBM PC compatibles, and Night Mission
Sublogic
Interchange format for rule systems
?a2 ?paper (?a1[foaf:knows->?a2] :- ?paper # pub:Publication[pub:author->?a1, pub:author->?a2}]) (* r2 *) Forall ?a1 ?a2 (neg ?a1[foaf:knows->?a2] :-
Rule_Interchange_Format
1983 video game
then ported to the Apple II, Commodore 64, Amstrad CPC, ZX Spectrum, Amiga, IBM PC (as a self-booting disk), Macintosh, PC-88, Sharp X1, FM-7, and Nintendo
Archon: The Light and the Dark
Archon:_The_Light_and_the_Dark
Operation common in numerical signal processing
IBM POWER1 (1990) processor, but has been added to numerous processors: IBM POWER1 (1990) HP PA-8000 (1996) and above Hitachi SuperH SH-4 (1998) IBM z/Architecture
Multiply–accumulate_operation
EETimes. 2010-09-27. Retrieved 2011-07-14. "AMCC, TSMC put new MPU spin on IBM technology". EETimes. 2009-09-25. Retrieved 2011-07-14. AMCC's pressrelease
Titan_(processor)
Instruction set extensions accelerating AES operations
round of AES directly. IBM z9 or later mainframe processors support AES as single-opcode (KM, KMC) AES ECB/CBC instructions via IBM's CryptoExpress hardware
AES_instruction_set
PowerPC variant
scratch in the previous ten years outside the AIM alliance, which included IBM, Motorola, Freescale, and Apple Inc. Since Texas Instruments was an investors
PWRficient
Successor to the Intel 386
"skirt" hanging down into that 16-bit extension space. IBM was the first to do this in the IBM AT. Gamer, Brassic (January 1, 2023). "The Brassic Gamer:
I486
PowerPC microprocessor
Qorivva IBM Power series (1990) POWER1 POWER2 POWER3 POWER4 POWER5 POWER6 POWER7 POWER8 POWER9 Power10 PowerPC series (1992) 6xx 4xx 7xx 74xx 970 A2 (2010)
X704
Character of the Japanese writing system
Information Technology—Chinese coded character set. Unicode Consortium; IBM. "IBM-970". International Components for Unicode. Steele, Shawn (2000). "cp949
A_(kana)
United States automatic rifle family
semi-automatic fire). The "safe" setting blocks the trigger from operating. The A2 variant changed the function of the fire selector, leaving "A" for automatic
M1918 Browning automatic rifle
M1918_Browning_automatic_rifle
Apple-branded microprocessor
phased out the G4 series for desktop models after it selected the 64-bit IBM-produced PowerPC 970 processor as the basis for its PowerPC G5 series. The
PowerPC_G4
Digital TV with specs similar to analog broadcasts
requires no non-proportional scaling with 640 pixels (defined by the adopted IBM VGA standard) for every line of the image. The display and pixel aspect ratio
Standard-definition television
Standard-definition_television
RGBI mode include: IBM's original Color Graphics Adapter. IBM's Enhanced Graphics Adapter, in CGA modes "Tandy graphics" on IBM's PCjr and Tandy 1000-series
List of monochrome and RGB color formats
List_of_monochrome_and_RGB_color_formats
Qorivva IBM Power series (1990) POWER1 POWER2 POWER3 POWER4 POWER5 POWER6 POWER7 POWER8 POWER9 Power10 PowerPC series (1992) 6xx 4xx 7xx 74xx 970 A2 (2010)
PowerPC_e300
Decision rule used for minimizing the possible loss for a worst-case scenario
choices are A1 and B1 then B pays 3 to A). Then, the maximin choice for A is A2 since the worst possible result is then having to pay 1, while the simple
Minimax
IBM A2
IBM A2
IBM A2
IBM A2
IBM A2
IBM A2
IBM A2
IBM A2
IBM A2