PowerBook 520
Essentials
Family: PowerBook
Codename: BlackBird LC
Gestalt ID: 72
Minimum OS: 7.1.1
Maximum OS: 8.1
Introduced: May 1994
Terminated: June 1995
Processor
CPU: Motorola MC68LC040
CPU Speed: 25 MHz
FPU: none
Bus Speed: 25 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: 9.5" passive matrix FSTN
Max Resolution: 4 bit grayscale 640x480
Storage
Hard Drive: 130-320 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: 6.3 lbs.
Introduced in May 1994, the PowerBook 520 was the first PowerBook with '040 power. A trackpad replaced the rolling ball in older PowerBooks, and the 520 had a built-in microphone and stereo speaker. The 520 was priced at $2,270 with an passive-matrix 4-bit grayscale screen.
Picture Credits:
Apple, Inc.