* '''F1-X''' - single 5.25" drive
* '''F1-XRS''' - single 5.25" drive with RS232-C interface
* '''M1-X''' - single 3.5" drive
* '''F1-XRS''' - same as F1-X, upgraded with RS232-C interface* '''M1-XRS''' - same as M1-X, upgraded single 3.5" drive with RS232-C interface
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