The PowerBook 520/520c

Codename: Blackbird LC
CPU: MC68LC040
CPU speed: 25 Mhz
FPU: none
motherboard RAM: 4 MB
maximum RAM: 36 MB
number of sockets: 1 -- unique slot
minimum speed: 70 ns
L1 cache: 8 k
L2 cache: n/a
data path: 32 bit
bus speed: 25 Mhz
slots: modem, optional type II/III PC Card bay
Serial Ports: 1
ADB: 2
Floppy: 1.44 MB SuperDrive
HD: 160-320 MB
CD-ROM: none
Screen: passive matrix 9.5" FSTN 4 bit (16 Grays) 640x480 (520)
dual scan 9.5" LCD 8 bit (256 color) 640x480 (520c)
Sound Output: stereo 16 bit (built-in speakers)
Sound Input: stereo 16 bit (built in mono mic)
Ethernet: AAUI-15
Gestalt ID: 72
power: 40 Watts
Weight: 6.3 lbs. (520)/6.4 lbs. (520c)
Dimensions: 2.3" H x 11.5" W x 9.7" D
Min System Software: 7.1.1
Max System Software: 8.1
introduced: May 1994
terminated: June 1995 (520)/September 1995 (520c)

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 active-matrix 4-bit grayscale screen, and the 520c, with a dual-scan 256-color screen (the 520c was the first PowerBook to include one), cost $2,900.

Picture: Apple Corporate Site

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