The Iyonix PC is an Acorn-clone personal computer from Castle Technology Ltd.
- Intel XScale (StrongARM) 80321 600MHz 32 bit processor
- two 64 bit and two 32 bit PCI ports
- RISC OS version 5 in hardware ROM module
- support for the Linux operating system 
The Iyonix also happens to be ideal for developing ARM-based PDA applications.