- ispLSI chip
- 64kB PEROM (flash EPROM, with IDE DOS, Machine Code Monitor, File Manager and Setup)
- 28kB RAM (used for internal buffers)
- realtime clock chip (powered by a battery)
- LEDs (to indicate the presence of the cartrige and HDD activity)
- Short-BUS for additional peripherals (ETH64, DUART card etc.)
- Compact Flash storage card slot