Zorro II is the name of the general purpose expansion bus used by the Amiga 2000

Amiga 2000

The Amiga 2000, or A2000, is a personal computer released by Commodore in 1986. It is the successor to the Amiga 1000.-Features:Aimed at the high-end market, the original Europe-only model adds a Zorro II backplane, implemented in programmable logic, to the custom Amiga chipset used in the Amiga 1000...

 computer. The bus is mainly a buffered extension of the Motorola 68000

Motorola 68000

The Motorola 68000 is a 16/32-bit CISC microprocessor core designed and marketed by Freescale Semiconductor...

 bus, with support for bus mastering

Bus mastering

In computing, bus mastering is a feature supported by many bus architectures that enables a device connected to the bus to initiate transactions...

 DMA

Direct memory access

Direct memory access is a feature of modern computers that allows certain hardware subsystems within the computer to access system memory independently of the central processing unit ....

. The expansion slots use a 100-pin connector and the card form factor is the same as the IBM PC

IBM PC

The IBM Personal Computer, commonly known as the IBM PC, is the original version and progenitor of the IBM PC compatible hardware platform. It is IBM model number 5150, and was introduced on August 12, 1981...

. Zorro II cards implement the Autoconfig

Autoconfig

Autoconfig is an auto-configuration protocol of Amiga computers which is intended to automatically assign resources to expansion devices without the need for jumper settings...

 protocol for automatic address space assignment (designed before, yet similar to, Plug and Play on the PC).

Zorro II was succeeded by Zorro III.

External links

• Amiga Hardware Database - Descriptions and photos of Zorro II cards.