Changes
Image:Vortex f1 manual disk.jpg|F1-S/D system disk<br />(CPC 664/6128)
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=== A1-S Upgrade Kit ===
Vortex offered an upgrade kit consisting of a single bare drive and an installation manual, allowing to upgrade a F1-S (single) drive to a F1-D (dual) drive. To do this, one simply had to install the additional drive in the free slot of the drive case.
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Image:Basf 6138 spare drive.jpg|BASF 6138 spare drive
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=== M1-S and M1-D (3,5") ===
The M1-S and M1-D models are based on 3,5" disk drives.
=== FDA-1 3" Drive Adapter ===
This adapter makes it possible allows to connect an external FD-1 3" drive on Vortex F1/M1 setups on the CPC 464. Since only two drives can be used at the same time, the external 3" drive first had to be selected manually with RSX commands.
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Image:Basf 6138 81757 001 jumpers.jpg|BASF AG 6138 (81757-001) 40 track jumper configuration
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=== A1-Z Upgrade Kit ===
Vortex offered an upgrade kit consisting of a controller, a manual, a CP/M license and an utility disk which allows a F1-Z drive to be upgraded to a F1-S drive.
=== M1-Z (3,5") ===
The M1-Z model is equipped with a single 3,5" disk drive.
== X-Drives (720K) ==
