Vortex provided patches for CP/M 2.2 to enable using their memory expansions and floppy disc drives. Vortex also provided an already patched version of CP/M together with the X-Drives.
== Patch for CP/M 2.2 to use enable Vortex RAM Expansion ==
Vortex provided a disc with a PATCH.COM on it which patched Amstrad's CP/M 2.2, which came with the CPC664, so that CPM could use their RAM expansion to get 63KB TPA.