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# PowerBook Duo 270c

Essentials

Family: PowerBook

Codename: Escher

Gestalt ID: 77

Minimum OS: 7.1

Maximum OS: 7.6.1

Introduced: October 1992

Terminated: April 1994

Processor

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

ROM: 1 MB

RAM Type: unique

Minimum RAM Speed: 70 ns

Onboard RAM: 4 MB

RAM slots: 1

Maximum RAM: 32 MB

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

Video

Screen: 8.4" active matrix LCD

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

Storage

Hard Drive: 240 MB

Input/Output

Serial: 1 Mini DIN-8

Speaker: mono 8 bit

Microphone: mono 8 bit

Miscellaneous

Power: 25 Watts

Dimensions: 1.5" H x 10.9" W x 8.5" D

Weight: 4.8 lbs.

Announced in October 1993, the 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. It was priced at $3,100 and was discontinued in May 1994.

Picture Credits:
AppleDesign