PowerBook Duo

PowerBook Duo is a line of dockable subnotebooks and peripherals that were released by Apple Computer in the 1990s.

Development
The project was developed under the codename "BOB W" (Best Of Both Worlds). It was later nicknamed "DB-Lite" after Das Boot, the club where the Duo name was coined.

Models

 * PowerBook Duo 210 (25 MHz 68030)
 * PowerBook Duo 230 (33 MHz 68030)
 * PowerBook Duo 250 (33 MHz 68030)
 * PowerBook Duo 270c (33 MHz 68030)
 * PowerBook Duo 280 (66/33 MHz 68LC040)
 * PowerBook Duo 280c (66/33 MHz 68LC040)
 * PowerBook Duo 2300c (100 MHz PowerPC 601)

Docks
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Apple Computer

 * Duo Dock
 * Duo Dock II
 * Duo Dock Plus
 * Duo Floppy Adapter ("MicroDock")
 * Duo MiniDock


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Third parties

 * E-Machines EtherDock
 * E-Machines PowerLink Presentor
 * Envisio Dyanmic Duo (unreleased)
 * Newer Technology MicroDock
 * Newer Technology UltraDock
 * RasterOps DuoMate
 * }

Upgrade kits

 * PowerBook Duo 280 upgrade kit (for owners of the Duo 250 and 270c)
 * PowerBook Duo 2300 upgrade kit (for owners of all preceding models)

Articles

 * 20 Macs for 2020: PowerBook Duo by Jason Snell at Six Colors (2020-08-10)
 * Slick, capable and connected: it's time to go back to the PowerBook Duo by Chris Phin at TechRadar (2015-01-10)
 * 祝 Macintosh 30周年!! Dock拡張を可能にした軽量ノートPowerBook Duo｜Mac by 柴田文彦 and 吉田博英 at 週刊アスキー (Japanese, 2014-03-03)