This modular computer can run RomWBW, which includes a very good implementation of CP/M.

Suppliers
| Kits | Website | From | Currency |
| Small Computers Direct | SCDirect | UK | GBP |
| Stephen C Cousins | Tindie | UK | USD |
| Small Computer Central | Lectronz | UK | Euro/USD |
Tindie does not collect VAT for EU countries
Lectronz does collect EU VAT for orders up to 150 EUR
Parts List
The base system consisting of:
- SC501 – Z50Bus backplane
- SC502 – Power and reset module
- SC504 – Compact Flash module
- SC518 – Z80 CPU with clock oscillator
- SC519 – Memory (128KB Flash ROM, 128KB RAM)
- SC521 – Two serial ports with baud rate options
Notes
- This product is designed for hobby use and is not suitable for industrial, commercial, or safety-critical applications.
- The product contains small parts and is not suitable for young children.
- RomWBW is copyright Wayne Warthen and has been provided free of charge with his permission.