Macintosh II

The Macintosh II is a personal computer designed, manufactured and sold by Apple Computer, Inc. from March 1987 to January 1990. It is the first model of the Macintosh II family, and the first Macintosh to support a color display. When first introduced, a basic system with 20 MB drive and monitor cost US$5,498 (equivalent to $12,125 in 2018). With a 13-inch color monitor and 8-bit display card the price was around US$7,145 (equivalent to $15,757 in 2018). This price placed it in competition with workstations from Silicon Graphics, Sun Microsystems, and Hewlett-Packard.

History of Macintosh II is provided by wikipedia

Macintosh II – General information

Overview
IntroducedMarch 1987
DiscontinuedJanuary 1990
Model Identifier6
Model NumberM5000
Order NumberM5333
M5430
M5410
Price$5,498
ColorsPlatinum
Weight24 Ibs.
10.886 KG
Dimensions5.5” H x 18.7” W x 14.4” D
13.97 cm H x 47.49 cm W x 36.57 cm D
Hardware
Processor
ProcessorMotorola 68020
Processor Speed16 MHz
ArchitectureUnknown
Number of Cores1
System Bus16 MHz
Cache0.25 KB L1
CoprocessorMotorola 68881 FPU
Storage & Media
StorageOptional 40 or 80 MB
Media2 x 800 KB Floppy
Memory
Built-in MemoryNone
Maximum Memory20 MB (68 MB via FDHD upgrade kit)
Memory Slots8 – 30 pin SIMMs (Groups of 4)
(4 MB or larger modules must be PAL SIMMs)
Minimum Speed120 ns
ROMUnknown
Interleaving SupportNo
Display
Built-in DisplayNone
Graphics
Graphics CardNone
Graphics MemoryNone
Display ConnectionUnknown
Expansion
Expansion Slots6 – NuBus
Hard Drive InterfaceSCSI
Software
Original OSMacintosh System Software 0.7 – System 3.0, Finder 5.1
Maximum OSSystem 7.5.5
FirmwareMacintosh ROM
Connections
EthernetNone
ModemNone
ADB2
Serial2
SCSI1 – DB-25
Floppy PortNone
Audio InNone
Audio Out1 – 3.5-mm stereo output jack
DisplayUnknown
Accesories
Power
Backup Battery3.6 V lithium
Maximum Continuous Power230 W
Line VoltageUnknown
Related products

Source: Wikipedia, Apple

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