Macintosh 512K

M0001W · 1984–1986 · all-in-one

Specifications

Cpu: Motorola 68000 8 MHz
Ram: max: 512 KB (soldered; third-party expansion boards existed) · base: 512 KB
Ports: Keyboard (RJ-11 style) · Mouse (DE-9) · RS-422 serial ×2 (printer, modem) · External floppy (DB-19) · Audio out (mono)
Display: 9" CRT 512×342 monochrome
Storage: base: 400 KB floppy, no internal drive (512Ke: 800 KB floppy) · options:
Release Price: $2,795

Variants

Revisions

Macintosh 512KM0001W1984 launch, 400K single-sided drive, 64K ROM

Macintosh 512KeM0001E1986, 800K drive, 128K ROM shared with Plus

Upgrade paths

RAM

Up to 2 MB via third-party piggyback boards · RAM is soldered; expansion meant third-party boards clipped or soldered onto the logic board. No user-serviceable slots.

HARD