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
Processor
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
ROM: 1 MB
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)
Video
Screen: 9" active matrix
Max Resolution: 4 bit grayscale 640x400
Storage
Hard Drive: 240 MB
Input/Output
Serial: 1 Mini DIN-8
Audio Out: mono 8 bit
Audio In: mono 8 bit
Speaker: mono
Microphone: mono