Zorro II

E741465

Zorro II is an expansion bus standard used in Commodore Amiga computers, providing a 16-bit auto-configuring interface for add-on cards.

All labels observed (1)

Label Occurrences
Zorro II canonical 2

How this entity was disambiguated

Statements (44)

Predicate Object
instanceOf Amiga expansion bus standard
computer expansion bus
addressSpace 24-bit address space
allows plug-and-play style configuration for Amiga expansions
backwardCompatibleWith none (not directly compatible with ISA or PCI)
bitWidth 16-bit
busArbitration centralized arbitration
busWidthAddress 24 bits
busWidthData 16 bits
category Amiga hardware standard
computer hardware interface
compatibility Zorro II cards can operate in Zorro III slots in Zorro II mode
configurationMethod Autoconfig ROM on expansion card
dataTransferMode asynchronous
designedFor Commodore Amiga computers
linked to: Amiga
developedBy Commodore International
electricalBasis Motorola 68000 bus
era late 1980s home and professional computers
introducedWith Amiga 2000
logicalDesignBasedOn Autoconfig protocol
marketedAs Amiga Autoconfig expansion bus
maxAddressableMemory 16 MB
mechanicalFormFactor card-edge connector
nameFollows Zorro I (informal designation for original Amiga 1000 side bus)
notableFeature automatic address space allocation for expansion cards
memory-mapped configuration registers
platform AmigaOS systems
primaryUseRegion Europe and North America
successor Zorro III
supportsDeviceType I/O interface cards
RAM expansion cards
SCSI controllers
graphics cards
network interface cards
supportsDMA yes
supportsFeature auto-configuration
bus mastering
memory-mapped I/O
typicalClockSource system 68000 CPU clock
usedIn Amiga 1500
Amiga 2000
Amiga 2500
Amiga 3000 (via Zorro II slots)
Amiga 4000 (backward-compatible slots)

How these facts were elicited

Referenced by (2)

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

Zorro III predecessor Zorro II