Acorn A7000

The A7000 and A7000+ were Acorn Computers' entry level computers based on the Risc PC architecture. Launched in 1995, they replaced some of the models of the Acorn Archimedes range. After the breakup of Acorn Computers in 1998, Castle Technology bought the rights to continue production of the A7000+. The A7000 used the ARM7500 system on chip which combined the separate ARM CPU, MMU, VIDC20 video chip and IOMD IO controller of the Risc PC into a single chip.

Specifications and technical details

  • CPU: A7000, ARM7500 clocked at 32 MHz. A7000+, ARM7500FE, with hardware floating point unit, clocked at 48 MHz or 56 MHz (Castle A7000+).
  • Memory type: 4 MiB FPM (8 MiB EDO A7000+) motherboard mounted and, 1 SIMM slot, supporting a maximum memory size of 132 MiB (136 MiB A7000+).
  • Video subsystem: VIDC20 controller integrated into ARM7500 core, display memory is shared with main memory.
  • Expansion: One Eurocard-sized Podule support in common with Archimedes-series machines. One internal network card socket.
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