PowerBook Duo 280

The PowerBook Duo 280 was a subnotebook from the PowerBook Duo line that was introduced by Apple Computer on May 16, 1994.

Features
The Duo 280 featured a 66/33MHz 68LC040 processor with an 640x400 4-bit grayscale display. The logic board contained 4 MB of RAM which could be upgraded to 40 MB. It was compatible with all Duo Dock models.

It shipped with System 7.1.1 and could be upgraded to Mac OS 8.1.