Drive · 1984ObsoleteRare · 70

Apple UniDisk 5.25

Name: Apple UniDisk 5.25
Brand: Apple

A9M0104 · Apple external floppy

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Identifiers

Order number

A9M0104

Colors	Beige
Drive type	5.25″ 140K floppy (single-sided)
Capacity	140 KB single-sided
Interface	19-pin Apple II disk port (daisy-chain)
Mechanism	Apple 5.25″ half-height mechanism
Compatibility	ProDOS, Apple DOS 3.3

Ports & connectivity

19-pin disk port (daisy-chain passthrough)

Single 5.25″ drive styled to match the dual DuoDisk; connects via the Apple 5.25 Disk Drive Card
Daisy-chain passthrough lets a second UniDisk hang off the first
A9M0104 shipped bundled with the controller card; A9M0105 was the card-less version
Early units were beige; Apple later switched the shell to platinum

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