Macintosh 512K/512Ke(1984-1986)
Background
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.
Source: apple-history
Key Specs
Display9-inch Monochrome CRT" Monochrome Display
ChipMotorola 68000
Memory512 KB (Built-in) / Max 512 KB
StorageNone
Weight7.5 kg
Full Specifications
Basic Info
Release Date1984.09 (512K) / 1986.04 (512Ke)
IntroducedSep 1984 (512K) / Apr 1986 (512Ke)
DiscontinuedApr 1986 (512K) / Sep 1987 (512Ke)
Original Price$3,195 (512K) / $1,999 (512Ke)
OS SupportMacintosh System Software 0.1 ~ System 6.0.8 (512Ke)
Support StatusDiscontinued
Chip & Storage
ChipMotorola 68000（8 MHz，single-core，no floating-point coprocessor）
Memory512 KB (Built-in) / Max 512 KB
StorageNone
Hard Drive InterfaceNone
FirmwareMacintosh ROM
Graphics MemoryNone
Display
Screen Size9-inch Monochrome CRT"
Screen TypeMonochrome Display
Resolution512 × 342
PPI72
Camera & Audio
Media Drive400 KB (512K) or 800 KB (512Ke) floppy drive
Connectivity & Expansion
Expansion SlotsNone
Backup Battery4.5 V Alkaline battery
Power Consumption60 W (Max continuous power)
Body & Dimensions
Width24.4 mm
Height34.5 mm
Thickness27.7 mm
Weight7.5 kg
Color
Available Colors
Model Identifier
Model IDM0001W / M0001WP (512K) / M0001E (512Ke) / M0001D (512K/800) / M0001ED (EDU 512Ke)