powerbook duo 280/280c

The powerbook duo 280 added 68040 power to the duo line. The duo 280c was similar to the powerbook duo 280, with the addition of a 16-bit active-matrix color screen.

powerbook duo 280/c

Minimum OS: 7.1.1

Maximum OS: 8.1

Introduced: Apr 1994

Terminated: Nov 1994


CPU: Motorola MC68LC040

CPU Speed: 33 MHz

FPU: none

Bus Speed: 33 MHz

Register Width: 32-bit

Data Bus Width: 32-bit

Address Bus Width: 32-bit

Level 1 Cache: 4 kB data, 4 kB instruction


RAM Type: unique

Min RAM Speed: 70 ns

Onboard RAM: 4 MB

RAM slots: 1

Maximum RAM: 40 MB

Expansion Slots: modem, Dock (152-pin PDS)


Screen: 9" active matrix

Max Resolution: 4 bit grayscale 640x400


Hard Drive: 240 MB


Serial: 1 Mini DIN-8

Audio Out: mono 8 bit

Audio In: mono 8 bit

Speaker: mono

Microphone: mono