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Topic: Macintosh 512K

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	Macintosh 512K - Wikipedia, the free encyclopedia
		The Macintosh 512K Personal Computer, the second of a long line of Apple Macintosh computers, was the first update to the original Macintosh 128K.
		An enhanced version of the Mac 512K debuted as the Macintosh 512Ke in April 1986.
		It differed from the original 512K in that it had an 800 KB floppy disk drive and the same improved ROM as the Macintosh Plus.
	en.wikipedia.org /wiki/Macintosh_512K (244 words)

	Linux/m68k for Macintosh - Mac Plus hardware
		Features of the Macintosh 512K enhanced (not found in the Macintosh 128K and 512K) are: * 800K internal disk drive * 128K ROM Features of the Macintosh Plus are: * 800K internal disk drive * 128K ROM * SCSI high-speed peripheral port * 1Mb RAM, expandable to 2Mb, 2.5Mb, or 4Mb.
		The handshake line is sensed by the Macintosh using the positive (noninverting) input of one of the standard RS422 receivers (26LS32 chip), with the negative input grounded.
		The Macintosh Plus keyboard reproduces all of the key-down transitions produced by the keyboard and optional keypad used by the Macintosh 128K, 512K, and 512K enhanced; the Macintosh Plus keyboard is also completely compatible with these other machines.
	www.mac.linux-m68k.org /devel/plushw.php (9555 words)

	Apple Macintosh - Wikipedia, the free encyclopedia (Site not responding. Last check: 2007-10-21)
		Macintosh, also known informally as Mac, is a family of personal computers manufactured by Apple Computer, Inc. of Cupertino, California, USA.
		Existing Macintosh software that had been written for the 68000 series CPUs -- including some large sections of the Mac OS -- were made to run with a software emulator.
		The Macintosh system software was a very large amount of complicated code that embodied the Mac's entire set of APIs, including the use of the GUI and file system, and a large amount of this system software was included in the Macintosh's ROM chips.
	www.encyclopedia-online.info /Apple_Macintosh (1351 words)

	Macintosh computer (Site not responding. Last check: 2007-10-21)
		The Macintosh computer was released in January of 1984, with 128K RAM of memory.
		The Macintosh is run by activating pictures (icons) on the screen with a small hand-operated device called a "mouse".
		Like the Commodore Amiga 1000 and the Macintosh Portable, the Macintosh has the signatures of the designer's cast into the inside of the case.
	oldcomputers.net /macintosh.html (1148 words)

	Macintosh 512Ke - Wikipedia, the free encyclopedia
		The Macintosh 512Ke was introduced as a cheaper version of the top-of-the-line Macintosh Plus.
		It was the same as the Plus but with no SCSI port, and with only 512 KB of RAM.
		A Macintosh 512K could be upgraded to a 512Ke by purchasing and installing Apple's $299 Macintosh Plus Disk Drive Kit.
	en.wikipedia.org /wiki/Macintosh_512Ke (226 words)

	Macintosh 512K: Tutte le informazioni su Macintosh 512K su Encyclopedia.it (Site not responding. Last check: 2007-10-21)
		Macintosh 512K: Tutte le informazioni su Macintosh 512K su Encyclopedia.it
		Another enhanced version of the Mac 512K debuted as the Macintosh 512Ke in April 1986.
		It differed from the original 512K in that it had an 800K floppy disk drive.
	www.encyclopedia.it /m/ma/macintosh_512k.html (248 words)

	Mac 512k Specs
		The 512k sold for $3,195, and the 512ke for $1,999.
		The 512k was upgraded to a 512ke in September of 1987.
		Because the 512k is so old, there are very few programs around that will run on it.
	www.jagshouse.com /512k.html (236 words)

	Macintosh from FOLDOC
		Jobs tried to scuttle the Macintosh project and was only joined it later because he wasn't trusted to manage the Lisa project.
		The Macintosh user interface was notable for popularising the graphical user interface, with its easy to learn and easy to use desktop metaphor.
		The first Macintosh, introduced in January 1984, had a Motorola 68000 CPU, 128K of RAM, a small monochrome screen, and one built-in floppy disk drive with an external slot for one more, two serial ports and a four-voice sound generator.
	www.instantweb.com /foldoc/foldoc.cgi?query=macintosh (322 words)

	Profile: Mac 128K
		Early 128Ks simply said "Macintosh" on the back, while later ones were marked "Macintosh 128K" to distinguish them from the Macintosh 512K.
		Macintosh was destined to change the face of computing forever - it not only created the Mac look and feel, it also inspired Microsoft Windows and several other windowing interfaces.
		The Macintosh was replaced by the 512K in October.
	www.lowendmac.com /compact/128k.shtml (1498 words)

	Hardware \| Vintage Macintosh Clvb
		By abandoning command line operating system, the Macintosh had less limitations to work with (for example the RAM limitation in DOS) and therefore they could develop a lean and truly user-friendly graphical user interface.
		Although the built-in monitor of the original Macintosh is small, it was actually a breakthrough in the personal computers industry - it can display fl text on a white background.
		The original 128k Macintosh was updated nine months after its introduction, with the Macintosh 512k.
	www.geocities.com /SiliconValley/Vista/7228/128k.html (579 words)

	Macintosh 512K (Site not responding. Last check: 2007-10-21)
		Above is a Macintosh 512K on a HD 20.
		The Macintosh 512K is used today yet for word processing, spreadsheets, telecommunications and the like.
		The HD20 hard drive was a boon for the Macintosh line, it allows the Macs to store information and applications without the hassle of swapping disks.
	www.mac512.com /512k.htm (539 words)

	[No title] (Site not responding. Last check: 2007-10-21)
		The 512K Advantage RAM DISK I Partition a portion of your memory as an extra disk drive.
		If your Macintosh is less than 90 days old, it is covered under the Apple Warranty, which is invalidated by our up- grade (customers with new Macntoshes should be aware of this).
		Macintoshes can -be shiped in their original box.
	www-tech.mit.edu /archives/VOL_105/TECH_V105_S0417_P020.txt (317 words)

	Expansions: History
		I was aware of the Macintosh from the day I had read some advance articles about Apple Computer's forthcoming "1984" Superbowl ad.
		My motto at that time was "let the machines do the work." Many of the great ideas that resulted in the development of the Macintosh User Interface were available to the programmer in the Macintosh Toolbox, a collection of graphic routines built into the Macintosh.
		(Macintosh user's note: The solid jagged edging at the bottom of the "revealed" pattern in Figure 4.3b was drawn manually by taking Figure 4.3a, importing it into MacPaint, inverting it, selecting the new shape, tracing its edges using the trace function, copy/pasting it into SuperPaint, lassoing it and "nudging" it into place in Figure 4.3b).
	www.custompuzzlecraft.com /Expansions/history/bwhist_macintosh_era.html (1788 words)

	[No title]
		The two serial ports of a Macintosh are mini-Din-8 connectors which are labeled with a telephone (the "modem port") and a printer ("printer port").
		On the original 128K and the 512K upgrade machines (which have a DB-9 connector instead of the mini-Din-8) the Output Handshake line was held in a "marking" condition by hardware (a small resistor to the appropriate power supply rail).
		On later Macintoshes there are logic and a line driver for this line.
	hyperarchive.lcs.mit.edu /HyperArchive/Archive/info/hdwr/serial-port-docs.txt (1045 words)

	Microsoft MacEnhancer
		Released in late 1984, the MacEnhancer gives the Macintosh 128K or 512K features that it never had before, thereby enabling you to connect many IBM PC compatible devices to the Macintosh.
		When the Macintosh 512K came out late 1984, the only printers available for it at the time were the Apple ImageWriter and the Apple LaserWriter.
		In 1985, the Macintosh System Software didn't have a Chooser yet (that was invented later on in System Software 5.0, I believe), so you had to run the desk accessory to switch between devices prior to use.
	macgeek.org /museum/macenhancer (853 words)

	Macintosh/Macintosh 128K (Site not responding. Last check: 2007-10-21)
		It is proper to call the Macintosh by Macintosh or Macintosh 128K.
		Once the Macintosh 512K came out, it was important to come up with some modified name.
		The Macintosh 128K is used today yet for word processing, painting, telecommunications and the like.
	www.mac512.com /128k.htm (731 words)

	Folklore.org: Macintosh Stories: Switcher
		The 512K Macintosh, with four times the memory of the original, had just started shipping a few weeks ago.
		But as things stood, the 512K Mac would undermine their efforts, since it allowed applications to be much larger.
		But if the Macintosh could run multiple applications simultaneously, the small memory footprint of the Microsoft apps would continue to be advantageous, since their lower memory requirements meant that more of them could run concurrently, and users could put together customized application suites on their own.
	www.folklore.org /StoryView.py?project=Macintosh&story=Switcher.txt (3299 words)

	1984 (Site not responding. Last check: 2007-10-21)
		Macintosh 128K – 68000 @ 8 MHz – 128K RAM – Built in 9” bandw screen
		Macintosh 512K – 68000 @ 8 MHz – 512K RAM – Built in 9” bandw screen
		Macintosh Portable - 68000 @ 16MHz - 1MB RAM - Built in 1-bit (BandW) active matrix 640x400 (backlit after 2/91)
	www.stanford.edu /~hegyi/TheMacintoshLineup.htm (291 words)

	Apple Macintosh 512k Specs @ EveryMac.com
		The Apple Macintosh 512k features an 8 MHz 68000 processor, 512k of RAM, and a 400k disk drive in a beige all-in-one case with a 9" monochrome display.
		, except for 512k of RAM is standard, and cannot be expanded further.
		The Macintosh 512k was nicknamed the "Fat Mac" because of its relatively large amount of RAM.
	www.everymac.com /systems/apple/mac_classic/stats/mac_512k.html (146 words)

	BYTE.com (Site not responding. Last check: 2007-10-21)
		The Macintosh Plus adds welcome double-sided drives, a megabyte of RAM, an industry-standard SCSI interface, a numeric keypad, and a larger, faster ROM of operating system routines.
		The biggest change in ports from the 512K Mac to the Mac Plus is the addition of the SCSI port for fast communications.
		The 128K and 512K Macintoshes relied upon an Apple-specific serial port that communicated at 230,400 bps using the Zilog 8530 SCC (serial communications controller) chip.
	www.byte.com /art/9606/sec5/art2.htm (2122 words)

	Notes on the Hard Disk 20 (HD20)
		The original 64 kilobyte ROMs in the Mac 128 and 512K do not support HFS so it was not possible to boot from the HD20.
		If a Mac 512K is able to boot from the HD20 or from an 800 kilobyte floppy drive the ROMs have been updated.
		Nowadays, the HD20 is of most interest to Mac 512K owners because storage options for this model are so limited (later models should use a SCSI drive which is much quicker than the HD20).
	www.mandrake.demon.co.uk /Apple/hd20.html (1386 words)

	Software - Macintosh
		For unconstrained use, a 1-megabyte Macintosh with a 20-megabyte hared disk is recommended.
		Minimum required equipment: Macintosh Plus, Macintosh SE, or Macintosh II (minimum 1 megabyte of RAM)/Two 800K floppy-disk drives, or one 800K flloppy-disk drive and one hard-disk drive (recommended)/System file, version 3.2 or later/Finder, version5.3 or later.
		MACINTOSH MACPAINT-Transforms the Macintosh computer into a design tool, enaboing you to create drawings and other free-form graphics.
	www.oldersoftware.com /macintosh.htm (1469 words)

	Apple Macintosh before System 7
		Mini vMac is a Macintosh Plus, SE, and 128K emulator that runs on Mac OS X and earlier, as well as Linux and Windows.
		The plastic used for the D drives is the same as that used for early Macintosh machines.
		The case color was changed to "platinum" to match the color of the new Macintosh II and SE machines.
	homepage.mac.com /chinesemac/earlymacs (2676 words)

	Extra Software for Mini vMac (Site not responding. Last check: 2007-10-21)
		A Macintosh 512K seems to be able to work with up to System 2.0.1 (System File 4.1, Finder 5.5).
		The easiest solution is to use a slightly less old Macintosh that can use 800k disks, and that has ethernet or other communication options to talk to more recent machines.
		The Macintosh 128K and 512K are even more difficult, since they only understand 400k MFS floppies, and don't have a SCSI port.
	www.gryphel.com /c/minivmac0/doc/extras.html (1457 words)

	GUIdebook > ... > Mac OS > Macintosh advertisement
		Macintosh was designed by people who know everything there is to know about computers, so that you wouldn’t have to.
		Macintosh’s 3½ hard-shell disks are another example of the way Macintosh takes into account the human being who uses it.
		You tell a Macintosh Personal Computer to print the same way you tell it to do everything else – move the mouse pointer to “File” and pull it down until “Print” is highlighted in a fl bar.
	www.guidebookgallery.org /ads/magazines/macos/macos10-newsweek (4948 words)

	Macintosh from FOLDOC
		The core of the OS X operating system is released as free source code under the project name Darwin.
		If "Macintosh" were an acronym, some say it would stand for "Many Applications Crash, If Not, The Operating System Hangs".
		While this was true for pre Mac OS 9 systems, it is less true for Mac OS 9, and totally incorrect for Mac OS X, which has protected memory, so even if one application crashes, the system and other applications are unaffected.
	foldoc.org /?Macintosh (520 words)

	Apple/Macintosh-System 0.97 thru System X (Site not responding. Last check: 2007-10-21)
		Apple Lisa - Apple released the $9995 Lisa in January 1983, a year before the Macintosh was introduced.
		Macintosh - Steve Jobs unveiled the Macintosh on January 24, 1984, at the Flint Center in De Anza College, Cupertino.
		On January 24, 1984, Apple announced the Macintosh to their Board of Directors and to the world.
	www.jmusheneaux.com /31a.htm (790 words)

	Cary Lu - WikiMac (Site not responding. Last check: 2007-10-21)
		Possibly one of his most well-known works is The Apple Macintosh Book, which pretty much accompanied the Macintosh 128K with its first edition in 1984.
		The second edition covered the Macintosh 512K, while the third edition covered six Macintosh models.
		The fourth edition of the book (published in 1992) covered 21 models (including discontinued models, such as the Macintosh 128K), and even included mentions of the Macintosh Classic series, the Macintosh Quadra series, the PowerBooks, and System 7.
	mac.wikicities.com /wiki/Cary_Lu (191 words)

	Folklore.org: Macintosh Stories: Switcher
		I had considered trying to run multiple applications simultaneously on the 512K Mac, but I was stymied by low memory conflicts and other potential gotchas.
		Jeff told me that Microsoft had a very strategic project that they needed for the Macintosh, and that they thought that I was the ideal person to implement it.
		I had met Bill a few times during the course of Macintosh development, and while I respected his understanding of technology, I was wary of his burgeoning reputation as a conniving businessman.
	www.folklore.org /StoryView.py?project=Macintosh&story=Switcher.txt (3299 words)

	OLD-COMPUTERS.COM : The Museum
		It was replaced later by the Macintosh 512 (the same but with 512 KB RAM) then later, by the Macintosh Plus.
		The Macintosh 128 and Macintosh 512 were non-upgradeable, non-expandable in almost all departments, but especially with regard to memory.
		The 512K was shipped with a 400K floppy drive and 64 KB ROM, which did not support hierarchical file systems.
	www.old-computers.com /museum/computer.asp?st=1&c=271 (330 words)

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