HP 82161A Digital Cassette Drive
E812226
The HP 82161A Digital Cassette Drive is a portable, battery-powered magnetic tape storage unit designed for Hewlett-Packard handheld calculators and computers, providing removable mass storage via the HP-IL interface.
All labels observed (1)
| Label | Occurrences |
|---|---|
| HP 82161A Digital Cassette Drive canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9632815 — 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: HP 82161A Digital Cassette Drive Context triple: [HP-IL interface, notablePeripheral, HP 82161A Digital Cassette Drive]
-
A.
IBM 3420 magnetic tape drives
IBM 3420 magnetic tape drives are a family of high-performance, reel-to-reel tape storage devices introduced by IBM in the early 1970s for mainframe data backup and archival.
-
B.
DECtape
DECtape was a durable, random-access magnetic tape storage medium widely used on early Digital Equipment Corporation minicomputers for both data and program storage.
-
C.
Hitachi HD64180
The Hitachi HD64180 is an enhanced, CMOS microprocessor compatible with the Zilog Z80, integrating additional features like memory management and on-chip peripherals for embedded applications.
-
D.
Commodore 1541 floppy disk drive
The Commodore 1541 floppy disk drive is a 5.25-inch disk storage device with its own built-in processor, widely used with the Commodore 64 home computer for loading, saving, and managing software and data.
-
E.
Sony 3.5-inch floppy drive
The Sony 3.5-inch floppy drive is a compact, durable floppy disk format that became the industry standard for personal computers in the 1980s and 1990s.
- 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: HP 82161A Digital Cassette Drive Target entity description: The HP 82161A Digital Cassette Drive is a portable, battery-powered magnetic tape storage unit designed for Hewlett-Packard handheld calculators and computers, providing removable mass storage via the HP-IL interface.
-
A.
IBM 3420 magnetic tape drives
IBM 3420 magnetic tape drives are a family of high-performance, reel-to-reel tape storage devices introduced by IBM in the early 1970s for mainframe data backup and archival.
-
B.
DECtape
DECtape was a durable, random-access magnetic tape storage medium widely used on early Digital Equipment Corporation minicomputers for both data and program storage.
-
C.
Hitachi HD64180
The Hitachi HD64180 is an enhanced, CMOS microprocessor compatible with the Zilog Z80, integrating additional features like memory management and on-chip peripherals for embedded applications.
-
D.
Commodore 1541 floppy disk drive
The Commodore 1541 floppy disk drive is a 5.25-inch disk storage device with its own built-in processor, widely used with the Commodore 64 home computer for loading, saving, and managing software and data.
-
E.
Sony 3.5-inch floppy drive
The Sony 3.5-inch floppy drive is a compact, durable floppy disk format that became the industry standard for personal computers in the 1980s and 1990s.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
HP-IL peripheral
ⓘ
digital cassette drive ⓘ magnetic tape storage device ⓘ |
| canBeDaisyChainedWith | other HP-IL devices ⓘ |
| category |
computer peripheral
ⓘ
data storage device ⓘ |
| compatibleWith |
HP 82160A HP-IL module for HP-41
ⓘ
HP-IL compatible controllers ⓘ |
| connectionTopology | HP-IL loop ⓘ |
| controlMethod | commands sent over HP-IL ⓘ |
| dataEncoding | digital ⓘ |
| designedBy |
Hewlett-Packard Company
ⓘ
linked to:
Hewlett-Packard
|
| designedFor |
HP handheld calculators
ⓘ
HP handheld computers ⓘ HP-41 series calculators ⓘ
linked to:
HP calculators
HP-71B computer ⓘ
linked to:
HP-71B handheld computer
HP-75C computer ⓘ
linked to:
HP-75D portable computer
|
| designedForPortability | yes ⓘ |
| era | early 1980s ⓘ |
| feature |
block-oriented data storage
ⓘ
digital recording format ⓘ portable form factor ⓘ removable mass storage ⓘ |
| hasFormFactor | compact desktop unit ⓘ |
| intendedUse |
engineering and scientific applications
ⓘ
field data collection ⓘ laboratory data logging ⓘ |
| interface |
HP-IL
ⓘ
linked to:
HP-IL interface
|
| manufacturer | Hewlett-Packard ⓘ |
| marketedAs | mass storage solution for HP-IL systems ⓘ |
| powerSource |
battery-powered
ⓘ
external power supply ⓘ |
| productLine |
HP 82100 series peripherals
ⓘ
linked to:
HP 82162A Thermal Printer
|
| removability | removable media ⓘ |
| status | discontinued ⓘ |
| storageMedium | digital magnetic tape cartridge ⓘ |
| supports |
data file storage
ⓘ
program storage ⓘ random access by file name ⓘ sequential access ⓘ |
| supportsOperation |
file directory listing
ⓘ
file erase ⓘ file load ⓘ file save ⓘ |
| uses | HP digital data cassette ⓘ |
| usesTechnology | magnetic tape ⓘ |
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: HP 82161A Digital Cassette Drive Description of subject: The HP 82161A Digital Cassette Drive is a portable, battery-powered magnetic tape storage unit designed for Hewlett-Packard handheld calculators and computers, providing removable mass storage via the HP-IL interface.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.