Osborne 1

E202917

The Osborne 1 was an early 1980s portable microcomputer notable for being one of the first commercially successful "luggable" computers, popular with business users and running CP/M-based software.

All labels observed (4)

Label Occurrences
Osborne 1 canonical 3
Osborne Executive 1
Osborne Vixen 1

How this entity was disambiguated

Statements (50)

Predicate Object
instanceOf luggable computer
microcomputer
portable computer
batteryIncluded no
busArchitecture proprietary Z80 bus
caseMaterial molded plastic
countryOfOrigin United States
cpu Zilog Z80A
linked to: Zilog Z80
cpuClockSpeed 4.0 MHz
discontinuedInYear 1983
displayResolution 52 characters × 24 lines (default text mode)
displaySize 5-inch
displayType monochrome CRT
floppyDriveCapacity 91 KB per disk side (approximate usable)
formFactor suitcase-style portable
hasHandle yes
introducedInYear 1981
keyboard detachable full-stroke keyboard
manufacturer Osborne Computer Corporation
linked to: Kaypro computers
marketedAs first affordable portable computer
namedAfter Adam Osborne
notableFor aggressive bundled software value
being one of the first commercially successful portable microcomputers
popularizing the luggable computer form factor
operatingSystem CP/M 2.2
linked to: CP/M
originalPrice US$1795
parallelPorts Centronics-compatible printer port
powerInput AC mains
powerSupply internal
primaryUse business computing
spreadsheet analysis
word processing
ram 64 KB
releaseDate April 1981
rom 4 KB
serialPorts RS-232
softwareBundle CBASIC
MBASIC
linked to: Microsoft BASIC

SuperCalc
WordStar
dBase II (in later bundles)
linked to: dBASE
storage dual 5.25-inch floppy disk drives
successor Osborne Executive
linked to: Osborne 1

Osborne Vixen
linked to: Osborne 1
supportsExternalMonitor yes
supportsModem yes
videoOutput external composite video (on some revisions)
weight approximately 11.1 kilograms
approximately 24.5 pounds
wordSize 8-bit

How these facts were elicited

Referenced by (6)

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

CP/M usedOn Osborne 1
Kaypro computers influencedBy Osborne portable computers
linked to: Osborne 1
Osborne 1 successor Osborne Executive
linked to: Osborne 1
Osborne 1 successor Osborne Vixen
linked to: Osborne 1