IBM POWER2 processors

E777059

RISC microprocessor microprocessor family

IBM POWER2 processors are a family of high-performance RISC microprocessors developed by IBM in the early 1990s for its RS/6000 systems and high-end servers, known for strong floating-point capabilities and parallel processing support.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

All labels observed (3)

Label	Occurrences
IBM POWER2 processors canonical	2
IBM POWER2	1
IBM POWER2 family	1

How this entity was disambiguated

This entity first appeared as the object of triple T9027497 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: IBM POWER2 processors
Context triple: [POWER instruction set architecture, usedIn, IBM POWER2 processors]

A. IBM POWER3 family
The IBM POWER3 family is a line of 64-bit RISC microprocessors designed by IBM for high-performance technical and scientific computing systems.
B. IBM RS/6000 systems
IBM RS/6000 systems are a family of RISC-based workstations and servers from IBM, widely used in enterprise and technical computing environments for running UNIX (AIX) and high-performance applications.
C. IBM System z
IBM System z is IBM’s family of mainframe computers known for high reliability, scalability, and support for enterprise workloads, including running Linux at large scale.
D. IBM System/370
IBM System/370 is a family of IBM mainframe computers introduced in the 1970s that extended and modernized the System/360 architecture while maintaining backward compatibility.
E. IBM POWER instruction set
The IBM POWER instruction set is a RISC-based computer architecture developed by IBM for its high-performance POWER processors used in servers, workstations, and supercomputers.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: IBM POWER2 processors
Target entity description: IBM POWER2 processors are a family of high-performance RISC microprocessors developed by IBM in the early 1990s for its RS/6000 systems and high-end servers, known for strong floating-point capabilities and parallel processing support.

A. IBM POWER3 family
The IBM POWER3 family is a line of 64-bit RISC microprocessors designed by IBM for high-performance technical and scientific computing systems.
B. IBM RS/6000 systems
IBM RS/6000 systems are a family of RISC-based workstations and servers from IBM, widely used in enterprise and technical computing environments for running UNIX (AIX) and high-performance applications.
C. IBM System z
IBM System z is IBM’s family of mainframe computers known for high reliability, scalability, and support for enterprise workloads, including running Linux at large scale.
D. IBM System/370
IBM System/370 is a family of IBM mainframe computers introduced in the 1970s that extended and modernized the System/360 architecture while maintaining backward compatibility.
E. IBM POWER instruction set
The IBM POWER instruction set is a RISC-based computer architecture developed by IBM for its high-performance POWER processors used in servers, workstations, and supercomputers.
F. None of above. chosen

Statements (45)

Predicate	Object
instanceOf	RISC microprocessor ⓘ microprocessor family ⓘ
applicationDomain	CAD/CAM ⓘ database servers ⓘ numerical simulation ⓘ scientific visualization ⓘ
architecture	POWER architecture ⓘ linked to: POWER instruction set architecture
brand	POWER2 ⓘ
cacheSupport	external L2 cache ⓘ
category	high-performance RISC processor ⓘ
commercialStatus	discontinued ⓘ
companyCountry	United States ⓘ linked to: United States of America
designedFor	engineering applications ⓘ high-performance computing ⓘ scientific computing ⓘ technical workstations ⓘ
developer	IBM ⓘ
familyMember	POWER2 ⓘ POWER2 Super Chip ⓘ linked to: POWER2 RISC processor POWER2+ ⓘ linked to: POWER2
floatingPointUnit	integrated FPU ⓘ
instructionSetArchitecture	POWER ISA ⓘ linked to: POWER instruction set architecture
introducedInDecade	1990s ⓘ
introducedInYear	1993 ⓘ
knownFor	strong floating-point performance ⓘ
marketedBy	IBM RS/6000 division ⓘ linked to: IBM RS/6000 systems
microarchitecture	superscalar ⓘ
notableSystem	IBM RS/6000 Model 590 ⓘ linked to: IBM RS/6000 systems IBM RS/6000 Model 990 ⓘ linked to: IBM RS/6000 systems
pipelineType	pipelined ⓘ
predecessor	IBM POWER processors ⓘ
successor	IBM POWER3 processors ⓘ
supports	32-bit applications ⓘ 64-bit applications ⓘ out-of-order execution ⓘ parallel processing ⓘ symmetric multiprocessing ⓘ
targetOperatingSystem	AIX ⓘ
technologyNode	CMOS ⓘ
usedFor	enterprise servers ⓘ high-end technical workstations ⓘ
usedIn	IBM RS/6000 systems ⓘ IBM SP2 parallel supercomputers ⓘ linked to: IBM SP supercomputers IBM high-end servers ⓘ
wordSize	64-bit ⓘ

How these facts were elicited

Referenced by (4)

Full triples — surface form annotated when it differs from this entity's canonical label.

POWER instruction set architecture → usedIn → IBM POWER2 processors ⓘ

IBM POWER instruction set → usedBy → IBM POWER2 processors ⓘ

IBM POWER3 family → successorTo → IBM POWER2 family ⓘ

linked to: IBM POWER2 processors

IBM POWER1 → successor → IBM POWER2 ⓘ