== Vortex's implementation of CP/M on Floppy ==
To boot C/PM you need:
1. * a CPC4642. * VDOS 1.0 on ROMand a Vortex disc interface.3. * a 80 track double sided drive A.4. * a Vortex 512KB RAM Expansion.
== Vortex's implementation of CP/M on Vortex's Winchester WD20 hard disk ==