VAX

E183315

VAX is a line of 32-bit minicomputers and their associated architecture developed by Digital Equipment Corporation, widely used in the late 20th century for time-sharing and scientific computing.

All labels observed (14)

How this entity was disambiguated

Statements (50)

Predicate Object
instanceOf computer architecture
minicomputer line
abbreviationOf Virtual Address eXtension
addressSpaceSize 32-bit virtual address space
architectureType CISC
compatibleWith PDP-11 (at instruction-set level via compatibility mode)
linked to: PDP-11
countryOfOrigin United States
declineReason competition from RISC systems
shift to 64-bit architectures
designedFor business data processing
engineering computing
scientific computing
time-sharing
developer Digital Equipment Corporation
firstModel VAX-11/780
linked to: VAX
hasCompatibilityMode PDP-11 compatibility mode
hasModel MicroVAX
VAX 8600
linked to: VAX

VAX 8800
linked to: VAX

VAX-11/730
linked to: VAX

VAX-11/750
linked to: VAX

VAXserver
linked to: VAX

VAXstation
linked to: VAX
influenced OpenVMS design
later CISC architectures
instructionSetName VAX instruction set architecture
linked to: VAX
introductionYear 1977
manufacturer Digital Equipment Corporation
marketedAs mainframe alternative
marketSegment minicomputer market
notableFeature large number of instructions
orthogonal instruction set
rich addressing modes
operatingSystem BSD UNIX
linked to: BSD

OpenVMS
UNIX variants
Ultrix
VMS
popularPeriod 1980s
early 1990s
late 1970s
successorTo PDP-11 family
linked to: PDP-11
supports memory management unit
virtual address translation
virtual memory
usedIn academic institutions
commercial enterprises
government organizations
research laboratories
wordLength 32-bit

How these facts were elicited

Referenced by (29)

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

Unix laterPlatform VAX
Digital Equipment Corporation processorArchitectureDeveloped VAX architecture
linked to: VAX
OpenBSD supportsPlatform vax (historical)
linked to: VAX
NetBSD supports VAX architecture
linked to: VAX
VAX firstModel VAX-11/780
linked to: VAX
VAX instructionSetName VAX instruction set architecture
linked to: VAX
VAX hasModel VAX-11/750
linked to: VAX
VAX hasModel VAX-11/730
linked to: VAX
VAX hasModel VAX 8600
linked to: VAX
VAX hasModel VAX 8800
linked to: VAX
VAX hasModel VAXstation
linked to: VAX
VAX hasModel VAXserver
linked to: VAX
PDP-11 influenced VAX
PDP-11 successor VAX-11
linked to: VAX
Gordon Bell notableWork VAX architecture
linked to: VAX
Gordon Bell workedOn VAX-11/780
linked to: VAX
SunOS platform VAX
Ken Olsen associatedWith VAX computer architecture
linked to: VAX
VMS operating system originallyDesignedFor VAX architecture
linked to: VAX
VT100 usedWith VAX
subject linked to: VT100 terminal
Digital Equipment Corporation notableProduct VAX
subject linked to: DEC
VMS originallyDevelopedFor VAX minicomputers
linked to: VAX
VMS runsOn VAX
Alpha architecture designedToReplace VAX architecture
linked to: VAX
GNU As supportsTarget VAX
TECO platform VAX