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- Z-2 is a series of microcomputers made by Cromemco, Inc. which were introduced to the market in the middle to late 1970s. They were S-100 bus machines powered by the Zilog Z80 processor and typically ran on the CP/M operating system. They were originally available in assembled or kit form to serve both a commercial market and the computer enthusiast market. Later the machines were only available factory-assembled. The machines were widely respected for their speed, configurability, durability, and reliability. The Z-2 was a Z80–based microcomputer system that was introduced in 1977. The original Z-2 in kit form included a ZPU-K Z80 CPU card, S-100 bus motherboard, all-metal rack-mount chassis and dust case, card socket and card guide; the assembled form included a complete set of sockets and card guides, and a cooling fan. The Z-2 series was capable of supporting up to 21 S-100 boards and could be configured with any of the boards supplied by Cromemco. The Z-2 gave an impression of solidity due to its hefty 450-watt power supply and heavy metal chassis. A TU-ART (dual serial and parallel board), 4FDC Floppy Disk Controller, one or more 16KZRAM cards, and a Wangco 5¼" floppy disk drive would be added to form a basic system. An unusual feature of the Z-2 was switch–selectable CPU speed; 250 or 500 nanosecond cycle time were available. The ZPU speed was 4 MHz at a time when less than 2 MHz was normal, and boards from other manufacturers might still require the slower speed. The ZPU card in the Z-2 could address up to 64 kilobytes (65,536 bytes) of RAM. However, the 16KZ memory card supported bank-switching with 8 banks of 64 kilobytes each. When using the 16KZ, the maximum RAM of the Z-2 was limited by the available S-100 slots. If 16 of the slots were occupied by 16KZ cards, then the system had 4 banks of 64 kilobytes each, for a total of 256 kilobytes (262,144 bytes). Additional S-100 slots were required for cards controlling peripherals, disk drives, and I/O interfaces. Communication with the processor was normally performed through a TU-ART or other S-100 bus compatible interface card, which could run a CRT terminal or teletype. (en)
- El Cromemco Z-2 era un microcomputador basado en el bus S-100 e introducido en 1977. Fue el segundo microcomputador lanzado por Cromemco después del Cromemco Z-1. El microcomputador Z-2 era el primero de una familia de productos basados en el chasis del Z-2. Otros microcomputadores en esta familia eran el Cromemco Z-2D (con discos flexibles), el Cromemco Z-2H (con disco duro), y el CS-250 (una versión muy avanzada fabricada para La Fuerza Aérea de los Estados Unidos.) (es)
- Z-2は、1970年代半ばから後半にかけて市場に導入されたクロメンコ (Cromemco, Inc.) 製の一連のマイクロコンピュータである。これらはZilog Z80プロセッサを搭載したS-100バスマシンであり、通常はCP/Mオペレーティングシステム上で動作する。 もともとは商業市場とコンピュータ愛好家市場の両方に対応するために、組み立て済みまたはキットの形で販売された。その後、マシンは工場で組み立てられた状態でのみ入手可能になった。マシンは、その速度、構成可能性、耐久性、および信頼性によって広くから敬意を集めた。 (ja)
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- Cromemco Z-2 CPU unit and terminal (en)
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- El Cromemco Z-2 era un microcomputador basado en el bus S-100 e introducido en 1977. Fue el segundo microcomputador lanzado por Cromemco después del Cromemco Z-1. El microcomputador Z-2 era el primero de una familia de productos basados en el chasis del Z-2. Otros microcomputadores en esta familia eran el Cromemco Z-2D (con discos flexibles), el Cromemco Z-2H (con disco duro), y el CS-250 (una versión muy avanzada fabricada para La Fuerza Aérea de los Estados Unidos.) (es)
- Z-2は、1970年代半ばから後半にかけて市場に導入されたクロメンコ (Cromemco, Inc.) 製の一連のマイクロコンピュータである。これらはZilog Z80プロセッサを搭載したS-100バスマシンであり、通常はCP/Mオペレーティングシステム上で動作する。 もともとは商業市場とコンピュータ愛好家市場の両方に対応するために、組み立て済みまたはキットの形で販売された。その後、マシンは工場で組み立てられた状態でのみ入手可能になった。マシンは、その速度、構成可能性、耐久性、および信頼性によって広くから敬意を集めた。 (ja)
- Z-2 is a series of microcomputers made by Cromemco, Inc. which were introduced to the market in the middle to late 1970s. They were S-100 bus machines powered by the Zilog Z80 processor and typically ran on the CP/M operating system. They were originally available in assembled or kit form to serve both a commercial market and the computer enthusiast market. Later the machines were only available factory-assembled. The machines were widely respected for their speed, configurability, durability, and reliability. (en)
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- Cromemco Z-2 (en)
- Cromemco Z-2 (es)
- Cromemco Z-2 (ja)
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