PS/2
E844005
PS/2 is IBM’s line of second-generation personal computers introduced in the late 1980s that popularized features like the PS/2 keyboard and mouse ports and the Micro Channel Architecture.
All labels observed (5)
| Label | Occurrences |
|---|---|
| PS/2 canonical | 5 |
| PS/2 keyboard port | 3 |
| PS/2 mouse connector | 2 |
| PS/2 keyboard connector | 1 |
| PS/2 mouse port | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10156589 — 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: PS/2 Context triple: [IBM Personal System/2 line, marketedAs, PS/2]
-
A.
USB
USB (Universal Serial Bus) is a widely adopted industry standard for cables, connectors, and communication protocols used to connect, power, and transfer data between computers and electronic devices.
-
B.
Apple Desktop Bus Mouse
The Apple Desktop Bus Mouse is a compact, single-button computer mouse designed by Apple for use with classic Macintosh systems that featured the Apple Desktop Bus interface.
-
C.
Multibus
Multibus is an early Intel-developed computer bus standard widely used in 1980s workstations and embedded systems for modular expansion and peripheral connectivity.
-
D.
USB 2.0
USB 2.0 is a widely adopted version of the Universal Serial Bus standard that introduced higher data transfer speeds and improved connectivity for peripherals compared to earlier USB revisions.
-
E.
DVI
DVI (Digital Visual Interface) is a video display interface standard used to connect a video source to a display device, commonly found on older monitors and graphics cards.
- 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: PS/2 Target entity description: PS/2 is IBM’s line of second-generation personal computers introduced in the late 1980s that popularized features like the PS/2 keyboard and mouse ports and the Micro Channel Architecture.
-
A.
USB
USB (Universal Serial Bus) is a widely adopted industry standard for cables, connectors, and communication protocols used to connect, power, and transfer data between computers and electronic devices.
-
B.
Apple Desktop Bus Mouse
The Apple Desktop Bus Mouse is a compact, single-button computer mouse designed by Apple for use with classic Macintosh systems that featured the Apple Desktop Bus interface.
-
C.
Multibus
Multibus is an early Intel-developed computer bus standard widely used in 1980s workstations and embedded systems for modular expansion and peripheral connectivity.
-
D.
USB 2.0
USB 2.0 is a widely adopted version of the Universal Serial Bus standard that introduced higher data transfer speeds and improved connectivity for peripherals compared to earlier USB revisions.
-
E.
DVI
DVI (Digital Visual Interface) is a video display interface standard used to connect a video source to a display device, commonly found on older monitors and graphics cards.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
IBM product
ⓘ
personal computer line ⓘ |
| architectureFeature | Micro Channel Architecture ⓘ |
| compatibilityNote |
Micro Channel Architecture not backward compatible with ISA
ⓘ
linked to:
Micro Channel Architecture
|
| compatibleWith | IBM PC software (for most models) ⓘ |
| countryOfOrigin |
United States
ⓘ
linked to:
United States of America
|
| cpuUsedInSomeModels |
Intel 80286
ⓘ
Intel 80386 ⓘ Intel 80486 ⓘ Intel 8086 ⓘ |
| designGoal |
increase hardware control via proprietary bus
ⓘ
modernize IBM PC line ⓘ |
| expansionBus | Micro Channel Architecture ⓘ |
| formFactor |
desktop personal computer
ⓘ
tower personal computer ⓘ |
| fullName |
IBM Personal System/2
ⓘ
linked to:
IBM Personal System/2 line
|
| generation | second-generation IBM personal computer line ⓘ |
| graphicsSubsystem |
Multi-Color Graphics Array
ⓘ
Video Graphics Array ⓘ |
| includedModelSeries |
PS/2 Model 25
ⓘ
PS/2 Model 30 ⓘ
linked to:
IBM PS/2 Model 30
PS/2 Model 50 ⓘ
linked to:
IBM PS/2 Model 50
PS/2 Model 60 ⓘ
linked to:
IBM PS/2 Model 60
PS/2 Model 70 ⓘ
linked to:
IBM PS/2 Model 70
PS/2 Model 80 ⓘ
linked to:
IBM PS/2 Model 80
|
| influenced |
standard PC keyboard connector design
ⓘ
standard PC mouse connector design ⓘ |
| introducedBy | IBM ⓘ |
| introducedConnectorType |
6-pin mini-DIN keyboard connector
ⓘ
6-pin mini-DIN mouse connector ⓘ |
| introducedInYear | 1987 ⓘ |
| legacy |
PS/2 keyboard port standardization
ⓘ
PS/2 mouse port standardization ⓘ introduction of Micro Channel Architecture ⓘ |
| manufacturer | IBM ⓘ |
| marketOutcome | commercially mixed success ⓘ |
| notableModel |
PS/2 Model 80
ⓘ
linked to:
IBM PS/2 Model 80
|
| operatingSystemSupport |
IBM PC DOS
ⓘ
linked to:
MS-DOS
Microsoft Windows ⓘ
linked to:
Windows
OS/2 ⓘ |
| popularizedFeature |
PS/2 keyboard port
ⓘ
PS/2 mouse port ⓘ
linked to:
PS/2
|
| predecessor |
IBM PC/AT
ⓘ
linked to:
IBM PC AT
IBM Personal Computer ⓘ
linked to:
IBM PC
|
| releaseDecade | 1980s ⓘ |
| targetMarket |
business users
ⓘ
professional users ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: PS/2 Description of subject: PS/2 is IBM’s line of second-generation personal computers introduced in the late 1980s that popularized features like the PS/2 keyboard and mouse ports and the Micro Channel Architecture.
Referenced by (12)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: PS/2
linked to: PS/2
linked to: PS/2
linked to: PS/2
linked to: PS/2
linked to: PS/2
linked to: PS/2