Acorn System 3

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The Acorn System 3 is a disc-based computer in a card frame. The minimum specification for this system is as follows:

1MHz 6502 CPU
VDU interface
8K RAM with 4K BASIC ROM
Floppy disc controller
100K 5 ¼-inch disc drive mounted in the card frame.

Our one has:

80 x 25 character VDU card
3 x Acorn Memory cards
Acorn 6809 CPU card
Custom RS232 serial card (can drive a PC comms port via a null modem cable)
Acorn floppy disc controller card
2 x Tandon 40 track SS SD floppy disc drives (1 in card rack, the second external)

As well as a standard System Keyboard (pictured).

Manufacturer: Acorn
Date: 1980

Related Topics:

Cambridge Hardware

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