Changes
=== A1-S Upgrade Kit ===
Vortex offered an upgrade kit consisting of a 5,25" drive and a installation manual allowing to upgrade a single SF1-S drive to a dual DF1-D drive. To do this, one simply had to install an additional drive in the free slot of the drive case.
=== FDA-1 3" Drive Adapter ===
=== A1-Z Upgrade Kit ===
Vortex offered an upgrade kits kit consisting of a controller, manual, CP/M license and utility disk which upgraded a Z-Drive to a S-Drive.
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