Macintosh 512K/512Ke

History

Introduced in September of 1984, The Mac 512K was a Mac 128K with 384 KB more RAM. It sold for $3,195 U.S., and was replaced in April 1986 by the 512Ke. Introduced in April 1986, the 512Ke included an 800 KB floppy drive, and a 128k ROM, but was in all other respects identical to the 512K. It sold for $1,999 U.S. and and was sold to educational markets as the Mac ED. The 512Ke was discontinued in September 1987.

Generral

OVERVIEW
Introduced	September 1984 (512K) April 1986 (512Ke)
Discontinued	April 1986 (512K) September 1987 (512Ke)
Model Identifier	2 (512K) or 3 (512Ke)
Model Number	M0001W, M0001WP (512K) M0001E (512Ke) M0001D (512K/800) M0001ED (EDU 512Ke)
Initial Price	$3,195 (512K) $1,999 (512Ke)
Support Status	Obsolete
Colors	Beige
Weight and Dimensions	16.5 lbs., 13.6" H x 9.6" W x 10.9" D
PROCESSOR
Processor	Motorola 68000
Processor Speed	8 MHz
Number of Cores	1
Coprocessor	None
Cache	None
System Bus	8 MHz
STORAGE AND MEDIA
Storage	None
Media	400 KB (512K) or 800 KB (512Ke) floppy disk drive

Software

SOFTWARE
Original OS	Macintosh System Software 0.1 (System 1.1, Finder 1.1g) (512K) Macintosh System Software 0.7 (System 3.0, Finder 5.1) (512Ke)
Maximum OS	System Software 2.0.1 (System File 4.1, Finder 5.5) (512K) System 6.0.8 (512Ke)
FIRMWARE
Firmware	Macintosh ROM

Memory and Graphics

MEMORY
Built-in Memory	512 KB
Maximum Memory	512 KB
Memory Slots	--
Minimum Speed	--
Interleaving Support	No
DISPLAY
Built-in Display	9-inch 512 x 342
Pixel Density	72 ppi
GRAPHICS
Graphics Card	None
Graphics Memory	None
Display Connection	None

Connections and Expansion

CONNECTIONS
Ethernet	None
Modem	None
ADB	None
Serial	2 - RS-422, 1 - DE-9
SCSI	None
Floppy Port	1 - DB-19
Display	None
Audio In	None
Audio Out	1 - Built-in speaker (8-bit 22-kHz)
EXPANSION
Slots	None
Hard Drive Interface	None
POWER
Backup Battery	4.5 V Alkaline
Maximum Continuous Power	60 W
Line Voltage	110-120V (M0001W, M0001E, M0001D, M0001ED) 220-240V (M0001WP)
ENVIRONMENTAL