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 Institute of Electrical and Electronics Engineers
surface form: 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 Inc.
surface form: Apple Computer

NeXT Inc.
surface form: NeXT

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

Macintosh II
surface form: Apple Macintosh IIci

Macintosh II
surface form: Apple Macintosh IIcx

Macintosh II
surface form: Apple Macintosh IIfx

Macintosh II
surface form: Apple Macintosh IIx

Macintosh Quadra
surface form: Apple Macintosh Quadra series

Apple Macintosh Workgroup Server models
NeXTcube
NeXTstation
surface form: NeXTstation Turbo Color

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 (LC PDS) replacedBy NuBus
subject surface form: LC Processor Direct Slot
Macintosh Quadra busType NuBus
IEEE 1196 standardizes NuBus
IEEE 1196 relatedTo NuBus
NuMachine pioneered NuBus
NuMachine hasPart NuBus
this entity surface form: NuBus expansion bus