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The Macintosh II is a personal computer designed, manufactured, and sold by Apple Computer from March 1987 to January 1990. Based on the Motorola 68020 32-bit CPU, it is the first Macintosh supporting color graphics. When introduced, a basic system with monitor and 20 MB hard drive cost US$5,498 (equivalent to $12,373 in 2019). With a 13-inch color monitor and 8-bit display card the price was around US$7,145 (equivalent to $16,079 in 2019).^[1] This placed it in competition with workstations from Silicon Graphics, Sun Microsystems, and Hewlett-Packard.

The Macintosh II was the first computer in the Macintosh line without a built-in display; a monitor rested on top of the case like the IBM PC and Amiga 1000. It was designed by hardware engineersMichael Dhuey (computer) and Brian Berkeley (monitor) and industrial designerHartmut Esslinger (case).

Radio One and CBC Music. CBC Music Schedule and Playlogs.

Eighteen months after its introduction, the Macintosh II was updated with a more powerful CPU and sold as the Macintosh IIx. In early 1989, the more compact Macintosh IIcx was introduced at a price similar to the original Macintosh II, and by the beginning of 1990 sales stopped altogether. Motherboard upgrades to turn a Macintosh II into a IIx or Macintosh IIfx were offered by Apple.

Development[edit]

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Two common criticisms of the Macintosh from its introduction in 1984 were the closed architecture and lack of color; rumors of a color Macintosh began almost immediately.^[2] A late night drive mac os.

The Macintosh II project was begun by Dhuey and Berkeley during 1985 without the knowledge of Apple co-founder and Macintosh division head Steve Jobs, who opposed expansion slots and color, on the basis that the former complicated the user experience and the latter did not conform to WYSIWYG—color printers were not common.^[3] He instead wanted higher-resolution monochrome displays.^[4]

Ship space war prototype mac os. Initially referred to as 'Little Big Mac', the Macintosh II was codenamed 'Milwaukee' after Dhuey's hometown, and later went through a series of new names. After Jobs was fired from Apple in September 1985, the project could proceed openly.

The Macintosh II was introduced at the AppleWorld 1987 conference in Los Angeles,^[5] with low-volume initial shipments starting two months later.^[6] Retailing for US $5,498,^[7] the Macintosh II was the first modular Macintosh model, so called because it came in a horizontal desktop case like many IBM PC compatibles of the time. Previous Macintosh computers use an all-in-one design with a built-in black-and-white CRT.

The Macintosh II has drive bays for an internal hard disk (originally 40 MB or 80 MB) and an optional second floppy disk drive. It, along with the Macintosh SE, was the first Macintosh to use the Apple Desktop Bus (ADB) introduced with the Apple IIGS for keyboard and mouse interface.

The primary improvement in the Macintosh II was Color QuickDraw in ROM, a color version of the graphics routines. Color QuickDraw can handle any display size, up to 8-bit color depth, and multiple monitors. Because Color QuickDraw is included in the Macintosh II's ROM and relies on 68020 instructions, earlier systems could not be upgraded to display color.

In September 1988, shortly before the introduction of the Macintosh IIx, Apple increased the list price of the Macintosh II by roughly 20%.^[8]

Hardware[edit]

CPU: The Macintosh II is built around the Motorola 68020 processor operating at 16 MHz, teamed with a Motorola 68881floating point unit. The machine shipped with a socket for an MMU, but the 'Apple HMMU Chip' (VLSI VI475 chip) was installed that did not implement virtual memory (instead, it translated 24-bit addresses to 32-bit addresses for the Mac OS, which would not be 32-bit clean until System 7).

Memory: The standard memory was 1 megabyte, expandable to 8 MB.^[9] The Mac II had eight 30-pin SIMMs, and memory was installed in groups of four (called 'Bank A' and 'Bank B').

The original Macintosh II did not have a PMMU by default. Rogue island shooter mac os. It relied on the memory controller hardware to map the installed memory into a contiguous address space. This hardware had the restriction that the address space dedicated to bank A must be larger than those of bank B. Though this memory controller was designed to support up to 16MB 30-pin SIMMs for up to 128MB of RAM, the original Macintosh II ROMs had problems limiting the amount of RAM that can be installed to 8MB. The Macintosh IIx ROMs that also shipped with the FDHD upgrade fixed this problem, though still do not have a 32-bit Memory Manager and cannot boot into 32-bit addressing mode under Mac OS (without the assistance of MODE32).^[10]MODE32 contained a workaround that allowed larger SIMMs to be put in Bank B with the PMMU installed. In this case, the ROMs at boot think that the computer has 8MB or less of RAM. MODE32 then reprograms the memory controller to dedicate more address space to Bank A, allowing access to the additional memory in Bank B. Since this makes the physical address space discontiguous, the PMMU is then used to remap the address space into a contiguous block.

Graphics: The Macintosh II includes a graphics card that supports a true-color 16.7 million color palette^[11] and was available in two configurations: 4-bit and 8-bit. The 4-bit model supports 16 colors on a 640×480 display and 256 colors (8-bit video) on a 512×384 display, which means that VRAM was 256 KB. The 8-bit model supports 256-color video on a 640×480 display, which means that VRAM was 512 KB in size. With an optional RAM upgrade (requiring 120ns DIP chips), the 4-bit version supports 640×480 in 8-bit color.^[12] The video card does not include hardware acceleration of drawing operations.

Display: Apple offered a choice of two displays, a 12' black and white unit, and a more expensive 13' high-resolution color display based on Sony's Trinitron technology. More than one display could be attached to the computer, and objects could be easily dragged from one screen to the next. Third-party displays quickly became available. The Los Angeles Times reviewer called the color 'spectacular.'^[13] The operating system user interface remained black and white even on color monitors with the exception of the Apple logo, which appeared in rainbow color.

Storage: A 5.25-inch 40 MB internal SCSI hard disk was optional, as was a second internal 800 kilobyte 3.5-inch floppy disk drive.

Expansion: Six NuBus slots were available for expansion (at least one of which had to be used for a graphics card, as the Mac II had no onboard graphics chipset and the OS didn't support headless booting). It is possible to connect as many as six displays to a Macintosh II by filling all of the NuBus slots with graphics cards. Another option for expansion included the Mac286, which included an Intel 80286 chip and could be used for MS-DOS compatibility.

The original ROMs in the Macintosh II contained a bug that prevented the system from recognizing more than one megabyte of memory address space on a Nubus card. Every Macintosh II manufactured until approximately November 1987 had this defect. This happened because Slot Manager was not 32-bit clean.^[14] Apple offered a well-publicized recall of the faulty ROMs and released a program to test whether a particular Macintosh II had the defect. As a result, it is rare to find a Macintosh II with the original ROMs.^{[citation needed]}

Accessories: The Macintosh II and Macintosh SE were the first Apple computers since the Apple I to be sold without a keyboard. Instead the customer was offered the choice of the new ADB Apple Keyboard or the Apple Extended Keyboard as a separate purchase. Dealers could bundle a third-party keyboard or attempt to upsell a customer to the more expensive (and higher-profit) Extended Keyboard.

Audio: The Macintosh II was the first Macintosh to have the Chimes of Death accompany the Sad Mac logo whenever a serious hardware error occurred.

The new extensions featured for the Macintosh II at the time were A/ROSE and Sound Manager.^{[citation needed]}

Models[edit]

The Macintosh II was offered in three configurations. All systems included a mouse and a single 800 KB 3.5-inch floppy disk drive; a 68551 PMMU was available as an option.^[15]

• Macintosh II CPU: 1 MB RAM.
• Macintosh II 1/40 CPU: 1 MB RAM, internal 40-megabyte SCSI HDD.
• Macintosh II 4/40 CPU: 4 MB RAM, internal 40-megabyte SCSI HDD.

Timeline of Macintosh II models

References[edit]

1. ^Edwards, Benj (June 7, 2012). 'The Macintosh II celebrates its 25th anniversary'. Macworld.
2. ^Bartimo, Jim (February 25, 1985). 'Macintosh: Success And Disappointment'. InfoWorld. p. 30. Retrieved January 27, 2015.
3. ^'The Color Convergence'.
4. ^Webster, Bruce (December 1985). 'Microcomputer Color Graphics-Observations'. BYTE. p. 405. Retrieved October 28, 2013.
5. ^'Local Area Networks Newsletter'. Vol. 5 no. 4. April 1987. p. 1.Cite magazine requires |magazine= (help)
6. ^'Apple Begins Shipments Of Macintosh II Computer'. Wall Street Journal. May 8, 1987.
7. ^'Mac GUI :: Macintosh II and Macintosh SE announced'. macgui.com. Retrieved April 11, 2018.
8. ^Michael Wang (September 13, 1988). 'Apple price increases'. Newsgroup: comp.sys.mac. Usenet:3642@Portia.Stanford.EDU.
9. ^Apple Announces 68030 Macintosh IIx With High Density Compatible DriveArchived September 8, 2012, at archive.today by John Cook and Carol Cochrane, Business Wire 09/19/88 (retrieved September 20, 2009)
10. ^Series: The 24-bit ROM Blues by Adam C. Engst, Tidbits, April 22, 1991 (retrieved September 21, 2009)
11. ^'OLD-COMPUTERS.COM : The Museum'. www.old-computers.com. Retrieved April 11, 2018.
12. ^'Macintosh II High Resolution Video Card'. lowendmac.com. June 7, 1989. Retrieved April 11, 2018.
13. ^Magid, Lawrence J. (March 2, 1987). 'Apple's Two New Machines Are Dandy'. Los Angeles Times. Retrieved June 20, 2019. ..the color is spectacular. Unlike most color monitors, it also displays very readable text.
14. ^InfoWorld Magazine, October 26, 1987, p.47
15. ^'Macintosh II - Product Details'(PDF). Apple.

External links[edit]

• Mac II profile on Low End Mac
• Macintosh II technical specifications at apple.com

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Support the independent voice of Houston and help keep the future of Houston Press free.

C List

What's the difference? I find it interesting in your article 'Craigslist Declassified ' [by Bradley Campell and Matt Snyders, May 7], you write about the Connecticut Attorney General pressuring Craigslist to get rid of its erotic service listings. I wonder when the Texas Attorney General will do the same to the Houston Press. Are you naive, or do you just not care where your advertising dollars come from? What is the difference between you and Craigslist? I am all for freedom of speech, but as a business, you have a right to select who your advertisers are.

Name withheld by request
Houston

Info

Timeline of Macintosh II models

References[edit]

1. ^Edwards, Benj (June 7, 2012). 'The Macintosh II celebrates its 25th anniversary'. Macworld.
2. ^Bartimo, Jim (February 25, 1985). 'Macintosh: Success And Disappointment'. InfoWorld. p. 30. Retrieved January 27, 2015.
3. ^'The Color Convergence'.
4. ^Webster, Bruce (December 1985). 'Microcomputer Color Graphics-Observations'. BYTE. p. 405. Retrieved October 28, 2013.
5. ^'Local Area Networks Newsletter'. Vol. 5 no. 4. April 1987. p. 1.Cite magazine requires |magazine= (help)
6. ^'Apple Begins Shipments Of Macintosh II Computer'. Wall Street Journal. May 8, 1987.
7. ^'Mac GUI :: Macintosh II and Macintosh SE announced'. macgui.com. Retrieved April 11, 2018.
8. ^Michael Wang (September 13, 1988). 'Apple price increases'. Newsgroup: comp.sys.mac. Usenet:3642@Portia.Stanford.EDU.
9. ^Apple Announces 68030 Macintosh IIx With High Density Compatible DriveArchived September 8, 2012, at archive.today by John Cook and Carol Cochrane, Business Wire 09/19/88 (retrieved September 20, 2009)
10. ^Series: The 24-bit ROM Blues by Adam C. Engst, Tidbits, April 22, 1991 (retrieved September 21, 2009)
11. ^'OLD-COMPUTERS.COM : The Museum'. www.old-computers.com. Retrieved April 11, 2018.
12. ^'Macintosh II High Resolution Video Card'. lowendmac.com. June 7, 1989. Retrieved April 11, 2018.
13. ^Magid, Lawrence J. (March 2, 1987). 'Apple's Two New Machines Are Dandy'. Los Angeles Times. Retrieved June 20, 2019. ..the color is spectacular. Unlike most color monitors, it also displays very readable text.
14. ^InfoWorld Magazine, October 26, 1987, p.47
15. ^'Macintosh II - Product Details'(PDF). Apple.

External links[edit]

• Mac II profile on Low End Mac
• Macintosh II technical specifications at apple.com

Recommended For You

Support the independent voice of Houston and help keep the future of Houston Press free.

C List

What's the difference? I find it interesting in your article 'Craigslist Declassified ' [by Bradley Campell and Matt Snyders, May 7], you write about the Connecticut Attorney General pressuring Craigslist to get rid of its erotic service listings. I wonder when the Texas Attorney General will do the same to the Houston Press. Are you naive, or do you just not care where your advertising dollars come from? What is the difference between you and Craigslist? I am all for freedom of speech, but as a business, you have a right to select who your advertisers are.

Name withheld by request
Houston

Info

Defending Dylan

An online reader responds to 'Interpreting What Bob Dylan Has To Say About Houston,' By Richard Connelly, Hair Balls blog, May 7:

Breaking it down: Okay, Richard, jokes about Dylan's voice notwithstanding, you've got it wrong. The second verse does not reference 'out back to your loving ma.' The correct transcription of what Dylan sings is this: 'If you're ever down there on Bagby and Lamar.' (Two major streets downtown, not far from City Hall).

Dylan's song, as most folks who know much about American roots music history would realize, alludes to two classic songs by Huddie Ledbetter, better known as Leadbelly (1889-1949). In this case, Dylan's title line and first verse evoke one of Leadbelly's most famous songs, 'Midnight Special' (later covered by countless folkies and rockers in the '60s and '70s). Everyone knows the chorus to that one: 'Let the Midnight Special shine its ever-loving light on me.'

Not nearly as many people realize that 'Midnight Special' is a song about getting arrested in Houston and sent to prison in Sugar Land, where the train tracks ran right past the prison near Highway 90. The folklore was that the midnight train beacon signified early release for the lucky cell-dweller. Leadbelly's song was written while he was incarcerated there.

The first verse of that one: 'If you ever go to Houston, you'd better walk right.' It was also recorded by Leadbelly with the alternate line, 'If you're ever down in Houston, you'd better walk right.' I myself allude to it in the title of my first book, Down in Houston: Bayou City Blues.

Dylan's later references to two downtown streets, Bagby and Lamar (see above), also suggest an analogue to Leadbelly's old song 'Fannin Street,' which could be about either the well-known Houston street or an identically named one in Shreveport, where Leadbelly also spent time. Tom Waits, for one, interpreted Leadbelly to be referencing Houston in that one, as evidenced by Waits's 'Don't Go Down on Fannin Street,' which opens with the line, 'There's a crooked street in Houston town.' The chorus to the Waits song also ends with the line 'I wish I'd listen to the words you said,' indicating that Waits posits his composition as a response to Leadbelly's earlier number about Fannin Street.

What Dylan (like Waits) is doing in this latest number is what he started doing almost 50 years ago: drawing from the blues and folk traditions of American music, remaking old-timey songs in his own quirky image, connecting himself — lyrically and, in his use of blues structures, musically — to the originators of our roots music tradition. Get it?

Roger Wood

PC Guy vs. Mac Guy

Online readers respond to 'Why I'd Sleep With The PC Guy Over That Mac Guy Asshole,' By Jennifer Mathieu, Hair Balls blog, May 12:

Liking Linux: It's really a misnomer. It's not 'Mac vs. PC' but rather 'Mac vs. Windows.' The PC Guy represents Windows: fat, bloated and none too well-seeing. The Mac Guy — well, you've covered that really well. They should have a Linux guy out there. Runs on PCs or Macs, not bloated, not worried about his 'image,' not trying to be grungy, stodgy, erudite or anything — just trying to be himself.

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Too much money: I won't buy a Mac simply because they're overpriced. Apple spends way too much money on advertising and they pass that cost on to the poor lil' consumer.

Cinderyella

What a bunch of assholes: I'm sitting hear reading all of your bullshit while retroverting back to Windows XP. Did I mention I was running Windows on my Mac simultaneously with OS X — oh yeah — with only 2 GB of RAM? Good luck with that Zune — douche. Vista rules!

Chuck E. Conqueso

Mac and proud: Hey, I resemble that Mac Guy. I have Sirius/XM XMU, BBC Radio 1 and the rest, and I have become more of a music snob, more willing to tell everyone that the only real music that is being played is on satellite radio. Call me a douche, but I'm right, damn it.

The only thing I hate about Apples is that you have to make an appointment to buy an effing computer. I'm not buying a car. Just sell me the damn thing already. Oh yeah, and I have to get a new iPod every two years because the damn batteries run out. I love these commercials; they're the most consistently smart and creative out there by far. It totally makes up for those awful GEICO commercials.

Anonymous

Hodgman crush: In real life, John Hodgman (the PC Guy) writes oh-so-witty books, makes regular appearances on The Daily Show and uses a Mac. He's way more Mac than Justin Long (the Mac Guy). Appearances can be deceiving. And, of course, Hodgman is totally crushworthy.

Thursday Girl

Great take: I have never thought of that commercial that way. You are probably right. I will take the PC. It's all about the passion. I don't think the Mac Guy would be giving any of that.

Elizabet

The Belt Way

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Online readers weigh in on 'If You Get A Seat-Belt Ticket Soon, Don't Blame Elvis,'

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By Chris Vogel, May 8:

Big bro: Not sure why it's the government's business if I want to make a stupid decision and not wear my seat belt. I can see tickets for not buckling kids up, but as an adult, I feel it's my right to fly through as many windshields as I damn well please.

Wyatt

Care costs: Because, Wyatt, we all have to pay for your long-term care bills when you take first in Darwin's Dumbest Should Die First Awards and fly through that windshield. If you could do us all a favor and just die when you fly out that windshield, then really I couldn't care less if you're too stupid to save your own life.

Kara Thrace

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It's the law: Just put the damn thing on and quit whining about it. I don't want my taxes going to cover some fool lawsuit that you bring because you got hurt and started crying, 'They should have done more to educate me about wearing my seatbelt.'

Snikpip

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