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.
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 NERFINISHED ⓘ |
| developedBy | Commodore International NERFINISHED ⓘ |
| electricalBasis | Motorola 68000 bus NERFINISHED ⓘ |
| era | late 1980s home and professional computers ⓘ |
| introducedWith | Amiga 2000 NERFINISHED ⓘ |
| logicalDesignBasedOn | Autoconfig protocol NERFINISHED ⓘ |
| marketedAs | Amiga Autoconfig expansion bus NERFINISHED ⓘ |
| maxAddressableMemory | 16 MB ⓘ |
| mechanicalFormFactor | card-edge connector ⓘ |
| nameFollows | Zorro I (informal designation for original Amiga 1000 side bus) NERFINISHED ⓘ |
| notableFeature |
automatic address space allocation for expansion cards
ⓘ
memory-mapped configuration registers ⓘ |
| platform | AmigaOS systems ⓘ |
| primaryUseRegion | Europe and North America NERFINISHED ⓘ |
| successor | Zorro III NERFINISHED ⓘ |
| supportsDeviceType |
I/O interface cards
ⓘ
RAM expansion cards ⓘ SCSI controllers ⓘ graphics cards ⓘ network interface cards ⓘ |
| supportsDMA | yes GENERATED ⓘ |
| supportsFeature |
auto-configuration
ⓘ
bus mastering ⓘ memory-mapped I/O ⓘ |
| typicalClockSource | system 68000 CPU clock GENERATED ⓘ |
| usedIn |
Amiga 1500
NERFINISHED
ⓘ
Amiga 2000 NERFINISHED ⓘ Amiga 2500 NERFINISHED ⓘ Amiga 3000 (via Zorro II slots) NERFINISHED ⓘ Amiga 4000 (backward-compatible slots) NERFINISHED ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.