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1
Macintosh 512KE Review
Macintosh 512KE Review
::2011/01/31::
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2
Bricando com um Macintosh 512Ke (1985)
Bricando com um Macintosh 512Ke (1985)
::2013/01/17::
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3
Macintosh 512Ke Review
Macintosh 512Ke Review
::2010/08/20::
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4
The Apple Macintosh 128k (with 512ke upgrade): As seen in Tezza
The Apple Macintosh 128k (with 512ke upgrade): As seen in Tezza's classic computer collection
::2013/06/13::
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5
Macintosh 512kE Floppy Problem
Macintosh 512kE Floppy Problem
::2013/08/02::
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6
Booting--Macintosh 512Ke
Booting--Macintosh 512Ke
::2009/01/09::
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7
Mac 512ke Printing Radiation Symbol
Mac 512ke Printing Radiation Symbol
::2010/01/22::
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8
Macintosh 512Ke Boot
Macintosh 512Ke Boot
::2014/02/05::
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9
Macintosh 512Ke
Macintosh 512Ke
::2010/05/31::
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10
Macintosh 512Ke startup Part 2
Macintosh 512Ke startup Part 2
::2014/01/12::
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11
Macintosh 512Ke startup Part 1
Macintosh 512Ke startup Part 1
::2014/01/12::
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12
Mac 512K talks to Siri, requests directory listing and files.
Mac 512K talks to Siri, requests directory listing and files.
::2013/03/10::
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13
Mac 512ke failing to open a .sea
Mac 512ke failing to open a .sea
::2010/01/22::
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14
Kung-Fu Chivalry 鐵血悍將用一隻打通關
Kung-Fu Chivalry 鐵血悍將用一隻打通關
::2011/08/03::
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15
Jane Being a Creeper Behind the 512ke
Jane Being a Creeper Behind the 512ke
::2010/01/22::
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16
History of Apple Computers - part 1 - All In Ones (1983-2010)
History of Apple Computers - part 1 - All In Ones (1983-2010)
::2010/06/13::
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17
Is There A Difference.mov
Is There A Difference.mov
::2011/07/21::
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18
Why Look for The Key.mov
Why Look for The Key.mov
::2011/07/21::
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19
Elegy.mov
Elegy.mov
::2011/07/21::
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20
Video 1 of 7 - Macintosh 512k power on test
Video 1 of 7 - Macintosh 512k power on test
::2009/08/18::
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21
Bloody iPod
Bloody iPod
::2006/08/21::
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22
Apple Macintosh LC (1990) Full Tour and Disassembly
Apple Macintosh LC (1990) Full Tour and Disassembly
::2014/08/03::
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23
Original 1984 Apple Macintosh 128k Computer - 2014 Startup
Original 1984 Apple Macintosh 128k Computer - 2014 Startup
::2014/02/20::
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24
Macintosh Plus Tutorial
Macintosh Plus Tutorial
::2012/06/16::
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25
Macintosh Classic Review
Macintosh Classic Review
::2014/04/27::
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26
Macintosh 128k Boot
Macintosh 128k Boot
::2014/02/05::
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27
Macintosh 128k/ Original Macintosh
Macintosh 128k/ Original Macintosh
::2014/01/28::
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28
Apple Macintosh 512k
Apple Macintosh 512k
::2010/07/06::
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29
Macintosh 512K
Macintosh 512K
::2009/09/24::
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30
Macintosh Color Classic Boot
Macintosh Color Classic Boot
::2014/02/06::
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31
Floppy Emu Disk Emulator for Vintage Macintosh Computers
Floppy Emu Disk Emulator for Vintage Macintosh Computers
::2013/12/05::
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32
Macintosh SE
Macintosh SE
::2011/11/17::
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33
The Apple Macintosh Powerbook 145B: As seen in Tezza
The Apple Macintosh Powerbook 145B: As seen in Tezza's classic computer collection.
::2013/09/21::
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34
Vintage Macintosh 512k from 1984
Vintage Macintosh 512k from 1984
::2010/09/07::
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35
1985 Macintosh 512k for Sale
1985 Macintosh 512k for Sale
::2014/01/03::
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36
Vintage Macintosh 128k & 400k floppy drive restored and almost new condition
Vintage Macintosh 128k & 400k floppy drive restored and almost new condition
::2011/10/20::
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37
Brincando com um Macintosh Plus (1986) com HD Externo
Brincando com um Macintosh Plus (1986) com HD Externo
::2013/01/17::
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38
Macintosh Plus Boot
Macintosh Plus Boot
::2014/02/06::
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39
Minecraft Build - Macintosh 128k (first mac)
Minecraft Build - Macintosh 128k (first mac)
::2014/05/06::
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40
Macintosh Plus Review
Macintosh Plus Review
::2011/01/31::
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41
Shrine Of Apple: Macintosh LC
Shrine Of Apple: Macintosh LC
::2011/09/04::
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42
Macintosh Color Classic Review
Macintosh Color Classic Review
::2011/02/04::
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43
1990 Macintosh Classic
1990 Macintosh Classic
::2011/12/31::
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44
Probando el viejo Macintosh ED 512k
Probando el viejo Macintosh ED 512k
::2010/04/12::
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45
Macintosh Classic
Macintosh Classic
::2011/04/30::
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46
Macintosh Color Classic Mic. Test
Macintosh Color Classic Mic. Test
::2014/02/03::
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47
Happy 25th Birthday Macintosh! - 25 Mac Salute
Happy 25th Birthday Macintosh! - 25 Mac Salute
::2009/01/24::
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48
Macintosh Classic Review
Macintosh Classic Review
::2010/08/28::
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49
Macintosh Booting
Macintosh Booting
::2012/08/13::
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Vintage Macintosh classic II
Vintage Macintosh classic II
::2011/01/31::
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From Wikipedia, the free encyclopedia
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Macintosh 512Ke
Apple 512k.jpg
Release date April 14, 1986
Introductory price $2000 US
Discontinued September 1, 1987
Operating system 1.0, 1.1, 2.0, 2.1, 3.0, 3.2, 3.3, 3.4, 4.0, 4.1,[1] 4.2, 4.3, 6.0-6.0.8
CPU Motorola 68000 @ 8 MHz
Memory 512 KB (built-in)

The Macintosh 512K enhanced (512Ke) was introduced in April 1986 as a cheaper alternative to the top-of-the-line Macintosh Plus, which had debuted three months previously.[2] It's the same as the Macintosh 512K but with the 800K disk drive and 128K of ROM used in the Macintosh Plus. Like its predecessors, there was little room for expansion. Some companies did create memory upgrades that would bring the machine up to 2 MB or more. It is the earliest Macintosh model able to run System 6 OS. It is also the earliest Macintosh model that can be used as an AppleShare server, and with a bridge Mac, communicate to modern devices.[3]

Model differences[edit]

Originally, the case was identical to its predecessor, except for the model number listed on the rear bucket's agency approval label. It used the same beige-like color as well. But like the Macintosh Plus, at some point in 1987 the 512Ke adopted the standard Apple "Platinum" color, as well as exactly the same case-front design as the Plus (without the name), though keeping its original rear bucket. Later in its lifespan, the 512Ke was discounted and offered to the educational market, badged as the Macintosh ED (M0001D & later M0001ED).[citation needed]

The 512Ke shipped with the original short Macintosh Keyboard, but the extended Macintosh Plus Keyboard with built-in numeric keypad could be purchased optionally.[4] A version of the 512Ke sold outside of North America only included the full keyboard and was marketed as the Macintosh 512K/800.[5] Later, the larger keyboard would be included standard in North America as well.

Although the 512Ke included the same 128K ROMs and 800K disk drive as the Mac Plus, the 512Ke retained the same port connectors as the original Mac. For this reason, 512Ke users' only hard disk option was the slower, floppy-port-based Hard Disk 20, or similar products for the serial port, even though the 512Ke ROMs contained the "SCSI Manager" software that enabled the use of faster SCSI hard disks (because the ROMs was the same as the ones used in the Mac Plus which does have a SCSI port). Apple did point users to certain third-party products which could be added to the 512Ke to provide a SCSI port.[6]

Official upgrades[edit]

A Macintosh 512K could be upgraded to a 512Ke by purchasing and installing Apple's $299 Macintosh Plus Disk Drive Kit. This included the following:

  • 800 KB double-sided floppy disk drive to replace the original 400 kB single-sided drive
  • 128 KB ROM chips to replace original 64 KB ROM
  • Macintosh Plus System Tools disk with updated system software
  • Installation guide

One further upgrade made by Apple replaced the logic board and the rear case (to accommodate the different port configuration) with that of the Macintosh Plus which essentially added built-in SCSI functionality and up to 4MB RAM. As Apple's official upgrades tended to command a premium, many third party manufactures offered add-on SCSI cards as well as RAM upgrades to achieve the same functionality. The new ROM allowed the computer to run much newer system and application software and though it loaded more data into RAM it only slightly decreased the amount of available memory by 1.5K, leaving well over 370K available for applications.[7][8]

System software[edit]

After June 1986, the 512Ke shipped with System 3.2. After it was discontinued, Apple changed the recommended OS for the 512Ke to System 4.1. System 6.0.8 is the maximum OS for the 512Ke.[9]

Timeline of compact Macintosh models

Power Macintosh Macintosh LC 520#LC 520 PowerBook Macintosh LC Macintosh Portable Macintosh II Apple IIe Macintosh Color Classic Macintosh Classic II Macintosh Color Classic Macintosh SE/30 Macintosh Classic Macintosh Plus Macintosh SE FDHD Macintosh Plus Macintosh XL Macintosh SE Macintosh 512Ke Apple Lisa Macintosh 128K Macintosh 512K

See also[edit]

References[edit]

External links[edit]

Preceded by
Macintosh 512K
Macintosh 512Ke
April 14, 1986
Succeeded by
Macintosh SE
Macintosh Plus
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