Macintosh Plus

Producer: Apple - Category: Personal Computer

Personal computer, 1986, Apple. The Macintosh Plus added 1 MB of RAM, a SCSI port and an 800 KB floppy drive to the original Macintosh design, and stayed in production for almost five years.

Years	16 January 1986 to 15 October 1990
Manufacturer	Apple Inc. (US)
Model	Macintosh Plus (US: M0001A, Europe: M0001AP)
Processor	Motorola 68000, 32 bit, 7.83 MHz
RAM	1 MB, expandable to 4 MB (150 ns)
ROM	128 KB
PRAM	CMOS, 256 bytes with 4.5 V battery
Built-in storage	3.5" floppy disk drive (800 KB double sided, 400 KB single sided)
Interfaces	DB-19 for external floppy drive, DB-25 SCSI for hard disk, RJ-11 for keyboard, DE-9 for mouse, audio output, 2 x DIN-8 serial RS-422 (modem and printer)
Display	9 inch, 512 x 342
Operating system	Mac OS 3.0 to 7.5.5 (except 7.5.2)
Dimensions	345 (H) x 244 (W) x 272 (D) mm
Weight	7.5 kg
Power	60 W
Price (1986)	$2,599