Macintosh 512K

Macintosh 512K
Also known asM0001W
ManufacturerApple Computer
Product familyCompact Macintosh
Release dateSeptember 10, 1984 (1984-09-10)
Introductory priceUS$2,795 (equivalent to $8,200 in 2023)
DiscontinuedApril 14, 1986 (1986-04-14)
Operating system1.0, 1.1, 2.0, 2.1, 3.0, 3.2,[1] 3.3, 3.4, 4.0, 4.1
CPUMotorola 68000 @ 7.8338 MHz (Effectively 6 MHz)
Memory512 KB RAM (built-in)
Display9 in (23 cm) monochrome, 512 × 342
PredecessorMacintosh 128K
SuccessorMacintosh 512Ke
Macintosh Plus
Mac 512K back panel

The Macintosh 512K is a personal computer that was designed, manufactured and sold by Apple Computer from September 1984 to April 1986. It is the first update to the original Macintosh 128K. It was virtually identical to the previous Macintosh, differing primarily in the amount of built-in random-access memory. The increased memory turned the Macintosh into a more business-capable computer and gained the ability to run more software. It is the earliest Macintosh model that can be used as an AppleShare server and, with a bridge Mac, communicate with modern devices.[2]

The Mac 512K originally shipped with Macintosh System 1.1 but was able to run all versions of Mac OS up to System 4.1. It was replaced by the Macintosh 512Ke and the Macintosh Plus. All support for the Mac 512K was discontinued on September 1, 1998.

  1. ^ "System Software: Configs for Mac 128K, XL, 512, & 512KE (7/94)". Archived from the original on February 24, 2008. Retrieved January 21, 2008.
  2. ^ "Mac 512K". Archived from the original on March 4, 2016. Retrieved May 24, 2021.

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