NuBus

E38948

NuBus is a 32-bit, processor-independent expansion bus standard widely used in late-1980s and early-1990s workstations and personal computers, including many Apple Macintosh systems.

All labels observed (2)

Label Occurrences
NuBus canonical 10
NuBus expansion bus 1

How this entity was disambiguated

Statements (52)

Predicate Object
instanceOf computer bus standard
expansion bus
addressSpaceWidth 32-bit
bitWidth 32-bit
connectorType 96-pin Eurocard-style connector
dataPathWidth 32-bit
hasIEEEStandardNumber IEEE 1196
influenced later plug-and-play bus designs
isEndiannessAgnostic true
isProcessorIndependent true
isSelfConfiguring true
maximumTheoreticalBandwidth about 40 MB/s at 20 MHz
standardizedBy IEEE
supportsAutoConfiguration true
supportsBigEndianSystems true
supportsBusMastering true
supportsBusSpeed 10 MHz
20 MHz
supportsByteAddressing true
supportsLittleEndianSystems true
supportsMultipleBusMasters true
supportsPlugAndPlayLikeConfiguration true
uses asynchronous bus protocol
memory-mapped I/O addressing
wasAdoptedBy Apple Computer
linked to: Apple Inc.

NeXT
linked to: NeXT Inc.

Symbolics
Texas Instruments
wasDevelopedAt Massachusetts Institute of Technology
wasDevelopedForProject NuMachine
wasEventuallySupersededBy PCI
linked to: PCI Express
wasInitiallyDesignedBy Gordon Bell
Howard W. Johnson
Wesley A. Clark
wasPopularInDecade 1980s
1990s
wasStandardizedInYear 1987
wasUsedIn Apollo/HP workstations
Apple Macintosh Centris 650
Apple Macintosh II
linked to: Macintosh II

Apple Macintosh IIci
linked to: Macintosh II

Apple Macintosh IIcx
linked to: Macintosh II

Apple Macintosh IIfx
linked to: Macintosh II

Apple Macintosh IIx
linked to: Macintosh II

Apple Macintosh Quadra series
linked to: Macintosh Quadra

Apple Macintosh Workgroup Server models
NeXTcube
NeXTstation Turbo Color
linked to: NeXTstation

Symbolics 3600-series workstations
Texas Instruments Explorer II
wasWidelyUsedIn personal computers
workstations

How these facts were elicited

Referenced by (11)

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

Macintosh II series bus NuBus
LC Processor Direct Slot replacedBy NuBus
Macintosh Quadra busType NuBus
IEEE 1196 standardizes NuBus
IEEE 1196 relatedTo NuBus
NuMachine pioneered NuBus
NuMachine hasPart NuBus expansion bus
linked to: NuBus