SKU: ZX-85
ZX-85 ISIS-II Compatible CPU Board
- Forms ISIS-11 Compatible System with the ZX-200A.
- Upgrades 8080 Based MDX Development System to 8085.
The ZX-85 is a 5MHz 8085AH-1 CPU board which is fully compatible with the ISIS-II operating system. It features 64KB RAM, 4KB PROM, programmed as a 2KB boot/diagnostic and a 2KB monitor, two programmable USARTs, three timers and two programmable interrupt controllers. The boot may be disabled to 62KB user RAM. The ZX-85 may be converted to an 8088 CPU with the Kit-88A. Kit-88A includes a 5MHz 8088, support chips, and necessary jumpers.
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