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# PowerBook 550c

Essentials

Family: PowerBook

Codename: Bonsai

Gestalt ID: 72

Minimum OS: 7.5

Maximum OS: 8.1

Introduced: May 1995

Processor

CPU: Motorola MC68040

CPU Speed: 33 MHz

FPU: integrated

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: 2 MB

RAM Type: unique

Minimum RAM Speed: 70 ns

Onboard RAM: 4 MB

RAM slots: 1

Maximum RAM: 36 MB

Expansion Slots: modem, optional type II/III PC Card bay

Video

Screen: 10.4" active-matrix

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

Video Out: 8 bit 832x624 (mirror only)

Storage

Hard Drive: 750 MB

Floppy Drive: 1.4 MB SuperDrive

Input/Output

ADB: 2

Serial: 1 Mini DIN-8

SCSI: HDI-30

Audio Out: stereo 16 bit mini

Audio In: stereo 16 bit mini

Speaker: stereo

Microphone: mono

Networking

Ethernet: AAUI-15

Miscellaneous

Power: 40 Watts

Dimensions: 2.3" H x 11.5" W x 9.7" D

Weight: 6.8 lbs.

Introduced a year after the 540c and released only in Japan, the 550c increased the screen size to 10.4" and added an integrated FPU. (that is, it replaced the 68LC040 of the 540c with a full 68040 procesessor.) It also came in a slick black case.

Picture Credits:
Apple, Inc.