Zorro II is the general purpose expansion bus used by the
Amiga 2000 computer. The bus is mainly a buffered extension of the
Motorola 68000 bus, with support for
bus mastering DMA. The
expansion slot
Expansion may refer to:
Arts, entertainment and media
* ''L'Expansion'', a French monthly business magazine
* Expansion (album), ''Expansion'' (album), by American jazz pianist Dave Burrell, released in 2004
* Expansions (McCoy Tyner album), ''Ex ...
s use a 100-pin connector and the card form factor is the same as the
IBM PC
The IBM Personal Computer (model 5150, commonly known as the IBM PC) is the first microcomputer released in the List of IBM Personal Computer models, IBM PC model line and the basis for the IBM PC compatible ''de facto'' standard. Released on ...
. Zorro II cards implement the
Autoconfig protocol for automatic address space assignment (similar to the later
PCI technology on the PC).
The prototype "Zorro bus" expansion box for the Amiga 1000 was the basis for the initial Amiga 2000-A model design. This box connected to the Amiga 1000 unbuffered CPU bus card
edge connector.
Zorro II was succeeded by
Zorro III, a 32-bit, asynchronous bus.
Amiga memory map
External links
Amiga Hardware Database- Descriptions and photos of Zorro II cards.
Discussion about speed of Zorro
Zorro II
Computer buses
Motherboard expansion slot
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