currently 350 working powerbooks

© 2004 - 2017

last update: 01.01.2017

The Greatest Vintage Apple PowerBook and MacBook Computer Museum

powerbook duo 250

 

Minimum OS: 7.1

Maximum OS: 7.6.1

Introduced: October 1993

Terminated: May 1994

 

Processor 

CPU: Motorola MC68030

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: 256 bytes data, 256 bytes instruction

ROM: 1 MB

RAM Type: unique

Min RAM Speed: 70 ns

Onboard RAM: 4 MB

RAM slots: 1

Maximum RAM: 24 MB

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

 

Video 

Screen: 9" active matrix grayscale LCD

Max Resolution: 16 bit 640x400

 

Storage 

Hard Drive: 200 MB

 

Input/Output

Serial: 1 Mini DIN-8

Speaker: mono 8 bit

Microphone: mono 8 bit

powerbook duo 250

The powerbook duo 250 was exactly the same as the powerbook duo 230 except it had a 4-bit active-matrix screen.