Sinclair ZX81 Peripheral Modules

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Hardware peripherals that can be plugged into the Sinclair ZX81 to provide extra features. Known as a 'microcomputing upgrade system'. Made up of seperate modules that can stack together.

Persona - interface module that plugs into the computer.
Minimap - increases the address space from 64k bytes to 1M bytes.
RAM 64 - 64K add on memory.
Drom - low power memory with rechargeble battery for non volatile storage.
Pericon-c - allows use of 80 column printer.

Date : Unknown

Manufacturer : Basicare Micro System

Physical Description : Paper brochure booklet - ^How to grow up to the megabyte micro^. Persona module. RAM 64 module. Drom module. Minimap module. Pericon-c module.

This exhibit has a reference ID of CH69865. Please quote this reference ID in any communication with the Centre for Computing History.