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Macintosh II: Difference between revisions

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[[File:MacII.jpg|thumb]]


Released in 1987 and powered by a Motorola 68020 CPU clocked at 16MHz.
Released in 1987 and powered by a [[Motorola 68020]] CPU clocked at 16MHz.
 
=Overview=
The Macintosh II personal com­puter is the high-performance, open-architecture member of the Macintosh family. It provides advanced color and graphics capabilities, with a palette of over 16 million colors. The Macintosh II is designed for advanced applications in busi­ness, desktop publishing, science, and engineering. It comes stan­dard with a full 32-bit 68020 microprocessor and a 68881 floating-point coprocessor. For maximum flexibility, the Macintosh II makes room for more memory-up to 8 megabytes of on-board RAM ­and includes six built-in ports and six expansion slots that let you create virtually any system configuration you need.
 
Using hardware and software options from Apple and third parties, the Macintosh II can support other operating environments, includ­ing MS-DOS and AT&T UNIX. To go with the Macintosh II, you have a choice of monitors ­including the [[AppleColor High-Resolution RGB Monitor]] - as well as keyboards and internal or ex­ternal disk drives. The Macintosh II is compatible with existing Macintosh software, and comes standard with 1 mega­byte of RAM and a built-in 800-kilobyte floppy disk drive. It is available in two configurations: with or without an internal 40-megabyte hard disk drive.
 
Adding to the power and versatility of the Macintosh II is Apple's first-generation multitasking operating system, [[MultiFinder]]. MultiFinder allows you to open multiple applications concurrently and perform back­ground tasks - such as printing documents on laser printers­ while you continue to work in an application. In addition to the System soft­ware, the Macintosh II is packaged with Apple's exciting [[HyperCard]] application. [[HyperCard]] is an in­formation-management toolkit that lets you organize informa­tion on your computer the way you organize it in your mind-by association, and with unlimited cross-references.
 
=General Information=
Introduced in March 1987, The Mac II was the ultimate expandable Mac. Based on the new 68020 processor, the Mac II was the first 32-bit Mac (although it was not "32-bit clean"). The Mac II included 6 [[NuBus]] slots, which allowed for a number of different Apple and Third Part expansion cards. The Mac II was the first Mac with color capabilities -- a graphics card could be installed capable of handling up to 16.7 million colors. It originally sold for $3,898 for the basic system, and at $5,498 for 1 MB of RAM, one 800K floppy disk drive and one 40 MB internal SCSI hard disk drive. This model was discontinued in January 1990.
 
Codename: Little Big Mac.
 
===CPU===
[[Motorola 68020]] processor running at 16MHz, optional built-in paged memory management unit (PMMU). [[Motorola 68881]] math coprocessor.
 
===Memory===
1MB standard, expandable to 8MB originally.


===Expansion===
===Expansion===
The Macintosh II offered six NuBus slots, one of which would have been occupied by a graphics card.
The Macintosh II offered six [[NuBus]] slots, one of which would have been occupied by a graphics card.
 
NuBus provides a 32-bit single address bus and data bus on a 96-pin connector. NuBus is self-configuring. Cards can be plugged into any slot and the system will automatically identify and configure each card, without any DIP switches or jumper wires.  


=ROM, RAM, FPU & PMMU Configurations=
=ROM, RAM, FPU & PMMU Configurations=
Line 18: Line 38:
SOCKET DESIGNATION    ORIGINAL              FDHD UPGRADE
SOCKET DESIGNATION    ORIGINAL              FDHD UPGRADE
UF11 (ROM3)            342-0108-B            342-0642-C
UF11 (ROM3)            342-0108-B            342-0642-C
UF12 (ROM4)            342-0107-B            342-0641-C
UF12 (ROM4)            342-0107-B            342-0641-C
UD11 (ROM5)            342-0106-B            342-0640-C
UD11 (ROM5)            342-0106-B            342-0640-C
UD12 (ROM6)            342-0105-B            342-0639-C
UD12 (ROM6)            342-0105-B            342-0639-C
UI10 (IWM)            344S0043A            343S0062A
UI10 (IWM)            344S0043A            343S0062A
------------------------------------------------------------------
------------------------------------------------------------------
Line 31: Line 47:
SOCKET DESIGNATION    ORIGINAL              UPGRADE
SOCKET DESIGNATION    ORIGINAL              UPGRADE
UG13 (68851)          343-0002-1 (AMU)      MC68851RC16A (PMMU)
UG13 (68851)          343-0002-1 (AMU)      MC68851RC16A (PMMU)
UG11 (68881)          MC68881RC16B (FPU)    MC68882RC16A (FPU)
UG11 (68881)          MC68881RC16B (FPU)    MC68882RC16A (FPU)
------------------------------------------------------------------
------------------------------------------------------------------
Line 71: Line 86:
* SCSI Driver
* SCSI Driver


=Schematics=
=Diagrams/Schematics=
[[File:MacIIsch.GIF]]
[[File:MacIIsch.GIF]]


=Related Articles=
=Documentation=
* [[The Macintosh II]]
* [[Macintosh II/IIx/IIfx Service Source]]


=See Also=
=See Also=
* [[Apple Computer]]
* [[Apple Computer]]
* [[The Macintosh II]]
=External Resources=
* https://cdn.preterhuman.net/texts/computing/Apple_Service_PDF/68k_Macintosh/macintosh_ii.iix.iifx.pdf - Apple Service PDF


{| class="wikitable" style="background-color:#cbcefb;"
|+The Macintosh II Series from [[Apple Computer]]
|-
|[[Macintosh II]] -- [[Macintosh IIx]] -- [[Macintosh IIcx]] -- [[Macintosh IIci]] -- [[Macintosh IIsi]] -- [[Macintosh IIvx]] -- [[Macintosh IIvi]] -- [[Macintosh IIfx]]
|}


[[Category:Apple]]
[[Category:Apple]]
[[Category:68020]]
[[Category:1987]]

Latest revision as of 16:57, 21 August 2021

Released in 1987 and powered by a Motorola 68020 CPU clocked at 16MHz.

Overview[edit]

The Macintosh II personal com­puter is the high-performance, open-architecture member of the Macintosh family. It provides advanced color and graphics capabilities, with a palette of over 16 million colors. The Macintosh II is designed for advanced applications in busi­ness, desktop publishing, science, and engineering. It comes stan­dard with a full 32-bit 68020 microprocessor and a 68881 floating-point coprocessor. For maximum flexibility, the Macintosh II makes room for more memory-up to 8 megabytes of on-board RAM ­and includes six built-in ports and six expansion slots that let you create virtually any system configuration you need.

Using hardware and software options from Apple and third parties, the Macintosh II can support other operating environments, includ­ing MS-DOS and AT&T UNIX. To go with the Macintosh II, you have a choice of monitors ­including the AppleColor High-Resolution RGB Monitor - as well as keyboards and internal or ex­ternal disk drives. The Macintosh II is compatible with existing Macintosh software, and comes standard with 1 mega­byte of RAM and a built-in 800-kilobyte floppy disk drive. It is available in two configurations: with or without an internal 40-megabyte hard disk drive.

Adding to the power and versatility of the Macintosh II is Apple's first-generation multitasking operating system, MultiFinder. MultiFinder allows you to open multiple applications concurrently and perform back­ground tasks - such as printing documents on laser printers­ while you continue to work in an application. In addition to the System soft­ware, the Macintosh II is packaged with Apple's exciting HyperCard application. HyperCard is an in­formation-management toolkit that lets you organize informa­tion on your computer the way you organize it in your mind-by association, and with unlimited cross-references.

General Information[edit]

Introduced in March 1987, The Mac II was the ultimate expandable Mac. Based on the new 68020 processor, the Mac II was the first 32-bit Mac (although it was not "32-bit clean"). The Mac II included 6 NuBus slots, which allowed for a number of different Apple and Third Part expansion cards. The Mac II was the first Mac with color capabilities -- a graphics card could be installed capable of handling up to 16.7 million colors. It originally sold for $3,898 for the basic system, and at $5,498 for 1 MB of RAM, one 800K floppy disk drive and one 40 MB internal SCSI hard disk drive. This model was discontinued in January 1990.

Codename: Little Big Mac.

CPU[edit]

Motorola 68020 processor running at 16MHz, optional built-in paged memory management unit (PMMU). Motorola 68881 math coprocessor.

Memory[edit]

1MB standard, expandable to 8MB originally.

Expansion[edit]

The Macintosh II offered six NuBus slots, one of which would have been occupied by a graphics card.

NuBus provides a 32-bit single address bus and data bus on a 96-pin connector. NuBus is self-configuring. Cards can be plugged into any slot and the system will automatically identify and configure each card, without any DIP switches or jumper wires.

ROM, RAM, FPU & PMMU Configurations[edit]

                           MACINTOSH II
                ROM, RAM, FPU, & PMMU CONFIGURATIONS
------------------------------------------------------------------
                             ROM PART NUMBERS

SOCKET DESIGNATION     ORIGINAL              FDHD UPGRADE
UF11 (ROM3)            342-0108-B            342-0642-C
UF12 (ROM4)            342-0107-B            342-0641-C
UD11 (ROM5)            342-0106-B            342-0640-C
UD12 (ROM6)            342-0105-B            342-0639-C
UI10 (IWM)             344S0043A             343S0062A
------------------------------------------------------------------
          FPU & PMMU UPGRADES (NOT PART OF THE FDHD UPGRADE)

SOCKET DESIGNATION     ORIGINAL               UPGRADE
UG13 (68851)           343-0002-1 (AMU)       MC68851RC16A (PMMU)
UG11 (68881)           MC68881RC16B (FPU)     MC68882RC16A (FPU)
------------------------------------------------------------------
                     RAM CONFIGURATIONS

Each Bank must have 4 identical SIMMs.

TOTAL  BANK A     BANK B   PMMU & MODE 32   FDHD UPGRADE
RAM    SIMMs      SIMMs     REQUIRED?        REQUIRED?
  1MB  0.25MB                   N               N
  2MB  0.25MB     0.25MB        N               N
  4MB     1MB                   N               N
  5MB     1MB     0.25MB        N               N
  8MB     1MB        1MB        N               N
 16MB                4MB PAL    Y               N
 17MB  0.25MB        4MB PAL    Y               N
 20MB     1MB        4MB PAL    Y               N
 32MB     4MB PAL    4MB PAL    Y               Y
 64MB               16MB PAL    Y               N
 65MB  0.25MB       16MB PAL    Y               N
 68MB     1MB       16MB PAL    Y               N
 80MB     4MB PAL   16MB PAL    Y               Y
128MB    16MB PAL   16MB PAL    Y               Y
------------------------------------------------------------------
05/14/00 1st rev
06/08/00 added RAM configurations

gamba

ROM Info[edit]

The 256K Macintosh II ROM has been written to support all of the previously mentioned devices and features. The ROM also includes all packages available on the Macintosh Plus. The following features are among those that have been added to the ROM:

  • Color Quickdraw, and color support in other Managers
  • Apple Desktop Bus support
  • More fonts - Monaco 9, Chicago 12, Geneva 9 and 12
  • Slot Manager to handle NuBus card communication
  • 4 Voice Sound Manager
  • SCSI Driver

Diagrams/Schematics[edit]

Documentation[edit]

See Also[edit]

External Resources[edit]

The Macintosh II Series from Apple Computer
Macintosh II -- Macintosh IIx -- Macintosh IIcx -- Macintosh IIci -- Macintosh IIsi -- Macintosh IIvx -- Macintosh IIvi -- Macintosh IIfx

Small Computer System Interface

Paged Memory Management Unit

Phase Alternation Line

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