Changes

The F1-X and F1-XRS models are based on a single BASF 6139 type 5,25" disk drive. These are compatible with the BASF 6138 disk drives used in the previous 5,25" models, but have a slightly more compact design and a number of design flaws that affected durability were corrected.

The F1-X model is based on a single BASF 6139 type 5,25" disk drive. These are compatible with the BASF 6138 disk drives used in the previous 5,25" models, but have a slightly more compact design and a number of design flaws that affected durability were corrected. The F1-XRS variant is equipped with an additional RS232-C interface.

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The M1-X model is based on a single NEC FD1035 type 3,5" disk drives. The M1-XRS variant is equipped with an additional RS232-C interface.