SBus

E199225

SBus is a computer bus architecture developed by Sun Microsystems for connecting peripherals and expansion cards in its workstation and server systems.

All labels observed (2)

Label Occurrences
SBus canonical 3
SBus (on some later models) 1

How this entity was disambiguated

Statements (47)

Predicate Object
instanceOf computer bus architecture ⓘ
expansion bus ⓘ
addressingModel memory-mapped addressing ⓘ
addressSpaceWidth 32-bit ⓘ
bitWidth 32-bit ⓘ
busType memory-mapped I/O bus ⓘ
synchronous bus ⓘ
dataPathWidth 32-bit ⓘ
definedIn IEEE 1496-1993 ⓘ
designedFor SPARC-based systems ⓘ
developer Sun Microsystems ⓘ
endianness big-endian ⓘ
hasConfigurationMechanism FCode-based firmware ⓘ
hasFeature auto-configuration via OpenBoot PROM ⓘ
device tree enumeration ⓘ
hasPhysicalLayer board-level parallel bus ⓘ
introducedIn 1989 ⓘ
introducedInDecade 1980s ⓘ
marketedBy Sun Microsystems ⓘ
maxSlotsPerSystem 4 ⓘ
6 ⓘ
optimizedFor server workloads ⓘ
workstation workloads ⓘ
partOf SPARCstation architecture ⓘ
linked to: SPARCstation

Sun SPARCserver architecture ⓘ
purpose connecting expansion cards ⓘ
connecting peripherals ⓘ
replacedBy PCI ⓘ
PCI Express ⓘ
PCI-X ⓘ
slotFormFactor in-board connector ⓘ
standardizedBy IEEE ⓘ
status obsolete ⓘ
successorStandard PCI bus ⓘ
supports DMA ⓘ
I/O controllers ⓘ
bus mastering ⓘ
disk controllers ⓘ
graphics adapters ⓘ
plug-in network interface cards ⓘ
supportsClockFrequenciesUpTo 25 MHz ⓘ
transferMode burst transfer ⓘ
single-word transfer ⓘ
usedIn Sun Microsystems servers ⓘ
Sun Microsystems workstations ⓘ
usedWithOperatingSystem Solaris ⓘ
SunOS ⓘ

How these facts were elicited

Referenced by (4)

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

Sun-3 → primaryBus → SBus (on some later models) ⓘ
linked to: SBus
Sun 3/80 → busType → SBus ⓘ