Acorn System 1

Acorn System 1

The Acorn System 1, initially called the Acorn Microcomputer (Micro-Computer), was an early 8-bit microcomputer for hobbyists, based on the MOS 6502 CPU, and produced by British company Acorn Computers from 1979.

The system was designed by then-Cambridge-undergraduate student Sophie Wilson. It was a small machine built on two Eurocard-standard circuit boards:
*one card (shown right) with the I/O part of the computer: a LED seven segment display, a 25-key keypad (hex+function keys), and a cassette interface (the circuitry to the left of the keypad)
*the second card (the computer board), which included the CPU, RAM/ROM memory, and support chips.

Almost all CPU signals were accessible via the standard Eurocard connector.

ee also

*Acorn System 2, System 3, System 4, System 5
*Acorn Atom

External links

* [http://speleotrove.com/acorn/ Comprehensive information on the System 1, including an emulator] – Provided by Mike Cowlishaw


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