Archimedes 300 series

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The Archimedes 300 series was a series of desktop computers released by Acorn Computers Ltd in 1987. They were the first Archimedes computers released.

Archimedes 305

The lowest specification of the Archimedes series, shipped with just 512KB RAM, with sockets to allow later expansion to 1MB. The machine shipped with no backplane, with just a 2-slot backplane available from Acorn as a user upgrade.

Archimedes 310

The A310 had 1MB RAM as standard, with no official route for further expansion. The machine shipped with no backplane, with just a 2-slot backplane available from Acorn as a user upgrade.

Archimedes 310M

A bundle including the PC Emulator software.

Specifications

  • CPU: ARM2 at 8 MHz, unofficial contemporary upgrades to 36MHz ARM3.
  • RAM: 512 kB or 1 MB, officially upgradeable to 1 MB, unofficially upgradeable to 8 MB
  • Hard drive: None
  • Removable storage: 800 kB floppy drive
  • Expansion: Officially two podules, backplane optional upgrade. Unofficial four slot backplanes were available
  • Network: Econet socket provided
  • Printer port: Unidirectional
  • Serial port: Yes
  • Video output: 9-pin RGB, composite monochrome