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last update: 01.01.2017

The Greatest Vintage Apple PowerBook and MacBook Computer Museum

powerbook duo 270c


Minimum OS: 7.1

Maximum OS: 7.6.1

Introduced: October 1992

Terminated: April 1994



CPU: Motorola MC68030

CPU Speed: 33 MHz

FPU: 68882

Bus Speed: 33 MHz

Register Width: 32-bit

Data Bus Width: 32-bit

Address Bus Width: 32-bit

Level 1 Cache: 256 bytes data, 256 bytes instruction


RAM Type: unique

Min RAM Speed: 70 ns

Onboard RAM: 4 MB

RAM slots: 1

Maximum RAM: 32 MB

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



Screen: 8.4" active matrix LCD

Max Resolution: 8 bit 640x480/16 bit 640x400



Hard Drive: 240 MB



Serial: 1 Mini DIN-8

Speaker: mono 8 bit

Microphone: mono 8 bit

powerbook duo 270c

Announced in October 1993, the powerbook duo 270c further improved on previous duos by adding a 68882 FPU to its 33 MHz 68030 processor. It was also the first duo to include an active-matrix 16 bit screen.