Apple · Macintosh

Macintosh Classic

Released October 1990

A compact monochrome Macintosh with an 8 MHz 68000 processor, high-density floppy drive and optional internal SCSI disk.

Model history · 4 models, 1984–1990

Specifications

Processor: 68000 8 MHz (Macintosh Classic)
CPU cores: 1
Memory: 1 MB or 2 MB
Storage: 40 MB
CPU: 8 MHz 68000 with 16-bit data path; no PMMU, FPU, cache or second processor
Memory type: 1 MB onboard, expandable to 4 MB using a memory expansion card and two paired 30-pin SIMMs; current support sheet specifies 120 ns modules and 256K or 1 MB sizes, excluding two-chip 1 MB modules. Older Apple technical library lists 150 ns and 32-pin; current support sheet controls. 512K ROM
Storage type: 1.44 MB removable floppy; optional 40 MB internal SCSI hard disk. Original capacity units retained. Apple Australia October 1991 brochure explicitly offers 2 MB floppy-only and 2 MB/40 MB configurations; original 1 MB floppy-only base is identified by contemporary model descriptions
Expansion slots: No processor expansion slot; memory expansion card required beyond 1 MB

Screen size: 9″
Resolution: 512 × 342
Panel: CRT
Display type: Built-in 9-inch monochrome CRT, 512 × 342 pixels; original Apple technical library and Australia brochure corroborate the explicit support-sheet correction to its generic 512 × 384 table

Ports: Headphone jack
Back ports: One ADB, DB-19 external floppy, DB-25 SCSI, printer and modem serial ports, and sound output; no built-in Ethernet or external video port
Speakers: Four-voice 8-bit sound at 22 kHz; built-in speaker and headphone output described in Apple technical library
Keyboard and mouse: Apple Keyboard II and ADB mouse, according to original Apple technical library

Type: All-in-one
Width × depth × height: 246 × 285 × 336 mm
Operating system: macOS
Size and weight detail: Apple technical library gives 33.6 cm height × 24.6 cm width × 28.5 cm depth; current support sheet gives 16 lb. Internal drive affects weight, so no single converted weight supplied
Power supply: Current support sheet specifies maximum 76 W, 120 V, 47–63 Hz and 0.63 A; 3.6 V lithium clock battery. Older Apple technical library states 100 W, retained as a source conflict
In the box: Original system software 6.0.7. Apple introduction 15 October 1990 is not treated as exact first sale; October 1990 sale month comes from Wikipedia's historical model account, cross-checked against contemporary November and February retail coverage

Processor	Memory	Storage	Storage type
68000 8 MHz (Macintosh Classic)	1 MB	–	–
68000 8 MHz (Macintosh Classic)	2 MB	–	–
68000 8 MHz (Macintosh Classic)	2 MB	40 MB	Hard drive

Model	Type	Processor	Memory	Storage	Screen	Weight	Released
AppleMacintosh SE FDHD	All-in-one	68000 8 MHz (Macintosh SE)	1 MB – 2 MB	20 MB – 40 MB	9″	–	1989
AppleMacintosh Classic II	All-in-one	68030 16 MHz (Macintosh Classic II)	2 MB – 4 MB	40 MB – 80 MB	9″	–	1991
AppleMacintosh SE/30	All-in-one	68030 16 MHz (Macintosh SE/30)	1 MB – 4 MB	40 MB – 80 MB	9″	–	1989