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Vortex Disc Drives

153 bytes added, 19:36, 3 January 2010
It has [[VDOS]] on ROM.
 
== I/O Ports ==
 
#FBF6 Vortex Disc Drives 765 FDC (Vortex,ext) Status Register (Read)
#FBF7 Vortex Disc Drives 765 FDC (Vortex,ext) Data Register (R/W)
== Vortex Disk Format ==
Nocash
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