Introduction
More pictures
Timeline & people
Documentation
Firmware
Schematics
Specifications
Emulator Overview
Using the Monitor
Emulator Menus
Mini-Debugger
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Name |
Acorn Microcomputer
(also known as the Acorn System 1)
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Manufacturer |
Acorn Computers Limited (United Kingdom)
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Microprocessor |
MOS Technologies MPS 6502
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Clock speed |
1.006 MHz
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Power consumption |
2.7 Watts (excluding voltage regulator)
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RAM |
1.125 KBytes (1K + 128)
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ROM |
512 Bytes
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Firmware |
Monitor allowing machine code entry, etc.
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Keyboard |
25 keys (16 Hex, 8 Command, 1 Reset)
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Display |
8 digits seven-segment LED
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I/O |
CUTS (Computer Users Tape Standard) 300 baud cassette
tape interface
Socket for additional RAM/IO chip, with full Eurocard
connector pinout (also with Microprocessor Data and
Address bus, etc.)
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Price |
Kit price as delivered: £70.20 (1979).
Approximate equivalent in 2002: £210 or $300 US.
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Note:
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No sound, graphics, colour support, or languages built-in.
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Later Eurocards produced by Acorn Computer for the System 2 and
later products were compatible with the System 1. These included a
Video Card and a 4–8KByte RAM expansion card.
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