Macintosh 512Ke

Overview

Apple replaced the 512K with a new model supporting double-sided 3.5" disks, just like the Mac Plus. Unlike the Plus, the 512Ke used RAM chips instead of SIMMs, just like the 128K and 512K. This precluded upgrading RAM beyond the 512KB that shipped with the computer.

Details

• introduced April 1986; discontinued August 1986
• works with any system through 6.0.8
• 8MH 68000 CPU
• 512KB RAM
• 9" b&w screen
• keyboard attached via coiled teleophone-like cable
• mouse attached via DB-9 connector
• DB-9 serial ports
• DB-25 SCSI connector on back of computer
• floppy connector on back of computer
• upgrade path: Plus

Cautions

• cannot do harware handshaking required for modems above 9600bps