HIMEM.SYS
E945338
HIMEM.SYS is a DOS memory manager driver used to access extended memory (XMS) on IBM PC-compatible systems.
All labels observed (1)
| Label | Occurrences |
|---|---|
| HIMEM.SYS canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T11751555 — 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: HIMEM.SYS Context triple: [JEMM386, replaces, HIMEM.SYS]
-
A.
HIMEMX
HIMEMX is a high-memory manager used in DOS systems to provide access to extended memory beyond the conventional 640 KB limit.
-
B.
System Configuration (msconfig.exe)
System Configuration (msconfig.exe) is a built-in Windows utility that allows users to manage startup programs, boot options, and system services for troubleshooting and performance optimization.
-
C.
EMM386.EXE
EMM386.EXE is a DOS memory manager utility from Microsoft that enables expanded memory and upper memory block usage on 80386 and later processors.
-
D.
BIOS
BIOS is the working title for a science fiction film project initially developed under that name before being released as "Finch," starring Tom Hanks as a lone survivor in a post-apocalyptic world who builds a robot to care for his dog.
-
E.
MS-DOS Executive
MS-DOS Executive is the simple file management and program-launching shell that served as the primary user interface in early versions of Microsoft Windows, notably Windows 1.0.
- 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: HIMEM.SYS Target entity description: HIMEM.SYS is a DOS memory manager driver used to access extended memory (XMS) on IBM PC-compatible systems.
-
A.
HIMEMX
HIMEMX is a high-memory manager used in DOS systems to provide access to extended memory beyond the conventional 640 KB limit.
-
B.
System Configuration (msconfig.exe)
System Configuration (msconfig.exe) is a built-in Windows utility that allows users to manage startup programs, boot options, and system services for troubleshooting and performance optimization.
-
C.
EMM386.EXE
EMM386.EXE is a DOS memory manager utility from Microsoft that enables expanded memory and upper memory block usage on 80386 and later processors.
-
D.
BIOS
BIOS is the working title for a science fiction film project initially developed under that name before being released as "Finch," starring Tom Hanks as a lone survivor in a post-apocalyptic world who builds a robot to care for his dog.
-
E.
MS-DOS Executive
MS-DOS Executive is the simple file management and program-launching shell that served as the primary user interface in early versions of Microsoft Windows, notably Windows 1.0.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
DOS device driver
ⓘ
XMS driver ⓘ extended memory manager ⓘ memory manager ⓘ |
| accesses |
extended memory
ⓘ
high memory area ⓘ |
| componentOf |
MS-DOS memory management
ⓘ
Windows 9x real-mode boot sequence ⓘ |
| configurationFile | CONFIG.SYS ⓘ |
| controls | A20 gate ⓘ |
| developedBy | Microsoft ⓘ |
| doesNotManage |
conventional memory
ⓘ
expanded memory (EMS) ⓘ |
| era | DOS era ⓘ |
| fileExtension | .SYS ⓘ |
| fileType | system file ⓘ |
| introducedFor |
80286
ⓘ
80386 ⓘ 80486 ⓘ |
| license | proprietary software ⓘ |
| loadDirective |
DEVICE=HIMEM.SYS
ⓘ
DEVICEHIGH=HIMEM.SYS ⓘ |
| loadedBy | CONFIG.SYS ⓘ |
| manages | XMS memory blocks ⓘ |
| memoryRegion |
High Memory Area (HMA)
ⓘ
extended memory above 1 MB ⓘ |
| operatingSystem |
DR-DOS
ⓘ
MS-DOS ⓘ PC DOS ⓘ
linked to:
MS-DOS
Windows 3.x ⓘ Windows 95 ⓘ Windows 98 ⓘ Windows Me ⓘ
linked to:
Windows ME
|
| platform | IBM PC compatible ⓘ |
| primaryFunction |
manage extended memory
ⓘ
provide XMS services ⓘ |
| provides |
XMS API
ⓘ
linked to:
XMS
|
| relatedTo |
CONFIG.SYS
ⓘ
EMM386.EXE ⓘ XMS specification ⓘ |
| requires |
80286 or higher CPU
ⓘ
A20 line control ⓘ |
| status | legacy software ⓘ |
| supportsStandard |
Extended Memory Specification
ⓘ
linked to:
HIMEMX
XMS ⓘ |
| usedBy |
DOS applications using XMS
ⓘ
EMM386.EXE ⓘ Windows 3.x protected-mode kernel ⓘ
linked to:
Windows 3.x
|
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: HIMEM.SYS Description of subject: HIMEM.SYS is a DOS memory manager driver used to access extended memory (XMS) on IBM PC-compatible systems.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.