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  • The HP 82901M: The Disk Drive Difference

The HP 82901M: The Disk Drive Difference

Photo of the HP 82901M dual 5.25 inch floppy disk drive connected to an HP 85. Enlarge
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Date: ca. 1980

The HP 82901M dual 5.25″ floppy disk drive was developed for use with the HP 85. When the two devices were used together, the 85’s status as a personal computer rather than a calculator was clear.

Tags: 1980 • 1980s • Floppy Disk Drive • PC • peripherals

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