The Acorn 6502 Microcomputer Kit Specifications
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Firmware
Schematics
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Mini-Debugger
Name Acorn Microcomputer
(also known as the Acorn System 1)
Manufacturer Acorn Computers Limited (United Kingdom)
Microprocessor MOS Technologies MPS 6502
Clock speed 1.008 MHz (the schematic says 1 MHz)
(many thanks to Nigel Kendrick who noticed this)
Power consumption 2.7 Watts (excluding voltage regulator)
RAM 1.125 KBytes (1K + 128)
ROM 512 Bytes
Firmware Monitor allowing machine code entry, etc.
Keyboard 25 keys (16 Hex, 8 Command, 1 Reset)
Display 8 digits seven-segment LED
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.)
Price Kit price as delivered: £70.20 (1979). Approximate equivalent in 2002: £210 or $300 US.

Note:

  1. No sound, graphics, colour support, or languages built-in.
  2. 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.
  Photographs and HTML text © Mike Cowlishaw 2001, 2002.