The Apple Macintosh PowerBook Duo Dock turns a PowerBook Duo into a full-featured desktop Macintosh including a 1.44 MB floppy disk drive, a complete set of desktop ports, and NuBus slots as well as the options of a secondary 230 MB hard drive and a 68882 FPU to improve performance.
The Duo Dock is compatible with all of the grayscale PowerBook Duos (210, 230, 250, 280), but can also support the color Duos (270c, 280c, 2300c/100) with a replacement lid.
The Apple Macintosh PowerBook Duo Dock turns a PowerBook Duo into a full-featured desktop Macintosh including a 1.44 MB floppy disk drive, a complete set of desktop ports, and NuBus slots as well as the options of a secondary 230 MB hard drive and a 68882 FPU to improve performance.
The Duo Dock is compatible with all of the grayscale PowerBook Duos (210, 230, 250, 280), but can also support the color Duos (270c, 280c, 2300c/100) with a replacement lid.
https://everymac.com/systems/apple/powerbook_duo/specs/mac_p...