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Macintosh II: Difference between revisions
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[[File:MacII.jpg|thumb]] | [[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. | ||
=General Information= | |||
===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. | ||
=ROM, RAM, FPU & PMMU Configurations= | =ROM, RAM, FPU & PMMU Configurations= | ||
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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 | ||
------------------------------------------------------------------ | ------------------------------------------------------------------ | ||
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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) | ||
------------------------------------------------------------------ | ------------------------------------------------------------------ | ||
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* SCSI Driver | * SCSI Driver | ||
=Schematics= | =Diagrams/Schematics= | ||
[[File:MacIIsch.GIF]] | [[File:MacIIsch.GIF]] | ||
= | =See Also= | ||
* [[Apple Computer]] | |||
* [[The Macintosh II]] | * [[The Macintosh II]] | ||
= | =External Resources= | ||
* | * https://cdn.preterhuman.net/texts/computing/Apple_Service_PDF/68k_Macintosh/macintosh_ii.iix.iifx.pdf - Apple Service PDF | ||
[[Category:Apple]] | [[Category:Apple]] | ||
Revision as of 16:55, 22 October 2019
Released in 1987 and powered by a Motorola 68020 CPU clocked at 16MHz.
General Information[edit]
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.
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]
