PowerBook Duo 230

The PowerBook Duo 230 was a subnotebook from the PowerBook Duo line that was introduced by Apple Computer on October 19, 1992.
==Features==
The Duo 230 featured a 33 MHz Motorola 68030 processor and a 640x400 4-bit grayscale display, with improved contrast over standard screens. The logic board contained 4 MB of RAM which could be upgraded to 24 MB. It was compatible with all Duo Dock models.Duo Dock by Billie Hawkins, Apple Macintosh Museum. Accessed 2021-05-02.
It shipped with System 7.1 (with System Enabler 201) and could be upgraded to Mac OS 7.6.1.
==Upgrade path==
Owners of the Duo 230 or other 68k-based models could upgrade to a 100 MHz PowerPC 603e processor with the PowerBook Duo 2300 upgrade kit.Apple PowerBook 200 series: Series Upgrade, Mac Repair Central. 2020-12-18.
==References==
==External links==
*PowerBook Duo 230 (discontinued) at Apple (archived 1998-12-02)
**Macintosh PowerBook Duo 230: Technical Specifications at Apple Support
*PowerBook Duo 230 at Apple-History
*PowerBook Duo 230 specs at EveryMac
*PowerBook Duo 230 at Low End Mac (1992-10-19)
*Macintosh PowerBook Duo 230 at Remi's Classic Computers
* at Wikipedia
Category:1992 introductions