IBM PS/2 Model 55SX
E847957
The IBM PS/2 Model 55SX is a late-1980s personal computer notable for introducing Micro Channel Architecture in a compact desktop system aimed at business users.
All labels observed (1)
| Label | Occurrences |
|---|---|
| IBM PS/2 Model 55SX canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10156604 — 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 PS/2 Model 55SX Context triple: [IBM Personal System/2 line, includesModel, IBM PS/2 Model 55SX]
-
A.
IBM PS/2 Model 50
The IBM PS/2 Model 50 is a mid-range personal computer from IBM's late-1980s PS/2 series, notable for introducing the Micro Channel Architecture (MCA) bus and 3.5-inch floppy drives to business desktops.
-
B.
IBM PS/2 Model 30
The IBM PS/2 Model 30 is an entry-level personal computer from IBM’s late-1980s PS/2 family, notable for introducing the 3.5-inch floppy drive and VGA graphics to many home and small-business users.
-
C.
IBM 5170
The IBM 5170, marketed as the IBM Personal Computer AT, was a mid-1980s business-oriented desktop computer that introduced the 80286 processor and set many hardware standards for the PC industry.
-
D.
IBM 5153
The IBM 5153 is a color CRT monitor designed for use with early IBM PC systems, particularly the IBM PC/XT and PC/AT, supporting CGA graphics.
-
E.
IBM 5151
The IBM 5151 is a monochrome CRT computer monitor introduced in the early 1980s for use with the original IBM Personal Computer.
- 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 PS/2 Model 55SX Target entity description: The IBM PS/2 Model 55SX is a late-1980s personal computer notable for introducing Micro Channel Architecture in a compact desktop system aimed at business users.
-
A.
IBM PS/2 Model 50
The IBM PS/2 Model 50 is a mid-range personal computer from IBM's late-1980s PS/2 series, notable for introducing the Micro Channel Architecture (MCA) bus and 3.5-inch floppy drives to business desktops.
-
B.
IBM PS/2 Model 30
The IBM PS/2 Model 30 is an entry-level personal computer from IBM’s late-1980s PS/2 family, notable for introducing the 3.5-inch floppy drive and VGA graphics to many home and small-business users.
-
C.
IBM 5170
The IBM 5170, marketed as the IBM Personal Computer AT, was a mid-1980s business-oriented desktop computer that introduced the 80286 processor and set many hardware standards for the PC industry.
-
D.
IBM 5153
The IBM 5153 is a color CRT monitor designed for use with early IBM PC systems, particularly the IBM PC/XT and PC/AT, supporting CGA graphics.
-
E.
IBM 5151
The IBM 5151 is a monochrome CRT computer monitor introduced in the early 1980s for use with the original IBM Personal Computer.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
IBM PS/2 family computer
ⓘ
personal computer ⓘ |
| architecture | x86 ⓘ |
| bitWidth | 32-bit processor core ⓘ |
| branding | IBM PS/2 NERFINISHED ⓘ |
| busArchitecture | Micro Channel Architecture NERFINISHED ⓘ |
| caseType | low-profile desktop ⓘ |
| category |
IBM hardware platform
ⓘ
vintage computer ⓘ |
| compatibility | IBM PC compatible NERFINISHED ⓘ |
| cpu | Intel 80386SX NERFINISHED ⓘ |
| cpuBits | 32-bit internal / 16-bit external ⓘ |
| cpuClockSpeed | 16 MHz ⓘ |
| cpuFamily | Intel 386 family NERFINISHED ⓘ |
| designedFor | corporate networks and business environments ⓘ |
| era | fourth generation microcomputer ⓘ |
| expansionBus | Micro Channel 16-bit slots ⓘ |
| floppyDriveCapacity | 1.44 MB ⓘ |
| floppyDriveSize | 3.5 inch ⓘ |
| formFactor | desktop ⓘ |
| graphicsAdapter | IBM VGA NERFINISHED ⓘ |
| graphicsStandard | VGA NERFINISHED ⓘ |
| introductionPeriod | late 1980s ⓘ |
| introductionYear | 1988 ⓘ |
| keyboardInterface | PS/2 keyboard port NERFINISHED ⓘ |
| manufacturer | IBM NERFINISHED ⓘ |
| marketRegion | worldwide ⓘ |
| maxRAM | 16 MB ⓘ |
| memoryType |
72-pin proprietary SIMM (PS/2 style)
ⓘ
SIMM ⓘ |
| mouseInterface | PS/2 mouse port ⓘ |
| notableFeature |
compact desktop enclosure
ⓘ
use of proprietary Micro Channel expansion bus ⓘ |
| notableFor | introducing Micro Channel Architecture in a compact desktop system ⓘ |
| operatingSystemOptions |
IBM PC DOS
NERFINISHED
ⓘ
Microsoft MS-DOS NERFINISHED ⓘ OS/2 NERFINISHED ⓘ early versions of Microsoft Windows ⓘ |
| powerSupplyType | internal PSU ⓘ |
| primaryUse |
business applications
ⓘ
office productivity ⓘ |
| productLine | IBM Personal System/2 NERFINISHED ⓘ |
| seriesPosition | mid-range model in PS/2 line ⓘ |
| standardRAM | 1 MB ⓘ |
| storageOptions |
3.5-inch floppy disk drive
ⓘ
fixed disk (hard drive) ⓘ |
| successorTo | earlier IBM PC/AT-class systems ⓘ |
| targetMarket | business 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: IBM PS/2 Model 55SX Description of subject: The IBM PS/2 Model 55SX is a late-1980s personal computer notable for introducing Micro Channel Architecture in a compact desktop system aimed at business users.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.