Changes
| 0xFBDF || Write mode word || -
|}
== FD-1 drive adapter ==
Image:Vortex 3rd drive adapter insides closeup.jpg|Inside the adapter box (closeup)
</gallery>
== VDOS ==
* [[Media:Vortex_Vdos_2.0_Manual.pdf|Benutzerhandbuch für das Diskettenbetriebssystem VDOS 2.0]] {{DE}} (VDOS 2.0 user manual)
=== Vortex Disk Format ===
See [[VDOS#Vortex_Disc_format|VDOS: Vortex Disc Format]]
== Drive Interface I/O Ports ==
