This article describes the Macintosh PowerBook Duo 230 notebook computer.

The Apple Macintosh PowerBook Duo 230 offers top-of-the-line performance in a 4-pound package that you can take anywhere and can become part of a complete desktop Macintosh system when you bring it back to your desk. It includes a CPU, full-size screen, keyboard and trackball, battery, and disk storage. The PowerBook Duo 230 also includes a 16-gray-level supertwist display.

The PowerBook Duo 230 can be transformed into a desktop Macintosh by attaching it to an optional Macintosh Duo Dock or MiniDock. You can then work with a large color display, full-size keyboard, printers, and network servers.

Features
* Processor: 33-MHz 68030 microprocessor

* Memory: 4MB RAM, expandable to 24MB

* Weight: 4.2 lb. (1.9 kg)

* Expansion: Docking connector and connectors for internal modem and RAM

* Display: Backlit Supertwist, 16-level gray scale, 640 by 400 pixels

* Battery: Nickel hydride batteries for approximately 2 to 4.5 hours of use

* System 7.1, with multitasking, file sharing, Balloon Help, and TrueType fonts

* Networking: Built-in AppleTalk networking, file sharing without a dedicated server

* Compatibility: Macintosh, MS-DOS, OS/2, and ProDOS floppy disk formats