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The final addition to Acorn's Archimedes family of personal computers, released in April 1994. The RiscPC allowed a second processor, e.g. an Intel 486 or a second ARM, to share the bus, memory and peripherals with the main processor. It also had full 24-bit colour graphics support.

The Risc PC 600 (the first to be launched) had the new ARM600 processor and RISC OS 3.5. The RiscPC 700 had an ARM710 processor and RISC OS 3.6, and the SA had the StrongARM processor and RISC OS 3.7.

Castle Technology Ltd later introduced the IYONIX pc with the 32-bit X-Scale processor and USB sockets. USB and StrongArm can also be retrofitted to earlier RiscPCs.

RiscPCs are among the most energy efficient home computers.

Acorn Computer Museum.
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It says it welcomed Acorn's recent decision to end development work on its next-generation Risc PC 2 (CI No 3,499), saying it had always recognized that the PC 2 "was not an appropriate product for the school market." Recently, Xemplar also began selling Microsoft Windows-based PCs to schools as the PC Toolbox, based on hardware from Fujitsu Ltd, which it says it will aim at Acorn customers wishing to use an Intel platform.
In September, Acorn dropped plans to launch a new version of its proprietary PC, the RISC PC 2, though it said it would continue to supply the existing range.