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This FDD is designed for Macintosh Powerbook machines. Especially, the first Powerbook 100, which comes without internal floppy drive.
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FDD mechanism is Sony MPF22A-01
Macintosh HDI-20 External FDD
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Many thanks for the internal pics of this.
Is that a battery at the back of the drive?
That is a motor for the eject mechanism.
Hi Pawel,
Thanks for clarifying.
I recently bought one of these drives for a project because (as far as I know) it is the only Apple drive which just requires 5 Volts.
All the rest require +12, -12, +5 volts.
Cheers,
Leslie
Interesting, indeed HDI-20 connector has only 5V. It is exactly the same drive as internal PowerBook 1xx drive.