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Image Credit: Macworld, December 1990
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Introduced: October 15, 1990
Terminated: March 15, 1993 |
Logic Board
Processor: 68030
Processor Speed: 20 MHz
PMMU: Integrated
FPU: opt. 68882
Bus Speed: 20 MHz
Data Path: 32-bit
ROM Size: 512K
Level 1 Cache: 0.5K
Level 2 Cache: none
Expansion Slots: 1 NuBus or PDS
Battery: 3.6V Lithium
Memory
RAM Type: 30-pin SIMM
RAM Slots: 4
Min - Max RAM: 1 MB - 17 MB
Minimum RAM Speed: 100 ns
Install in groups of: 4
RAM Sizes: 256K, 512K, 1, 2, 4 MB
Onboard RAM: 1 MB
Image Credit: Macworld, December 1990
Ports
ADB: 1
USB: none
FireWire: none
Video: DB-15
Floppy: DB-19
SCSI: DB-25
Geoports: none
Ethernet: none
Mic Type: Omni
Other ports: Printer, modem, speaker
Video
Standard DRAM: 1 MB (Built-in)
Maximum DRAM: 1 MB (Built-in)
Display Resolution:
- 512 x 384, 8-bit
- 640 x 480, 8-bit
Note:
- 64K - 320K of the system RAM is dedicated to the video function.
Storage
Standard CD-ROM: none
Internal Hard Drive: SCSI (40 - 80 MB)
Floppy Disk Drive: 1.44 MB auto
Image Credit: Macword, December 1992
Operating System
Addressing Modes: 24-bit or 32-bit
Original OS: 6.0.7
Original Enabler: none
AppleTalk Version: 54
Compatible MacOS:
6.0.7
6.0.8
7.0
7.0.1
7.1
7.1 .1 (Pro)
7.5
7.5.1
7.5.3
7.5.5
7.6
7.6.1
For additional information on operating systems:
See this article
Miscellaneous
Codename: Erickson, Oceanic, Raffica, Ray Ban
Form Factor: IIsi
Dimensions (Inches): 4 H x 12.4 W x 14.9 D
Average Weight (lbs): 10
Gestalt ID: 18
Original Price: $3770 - $4570 US
Image Credit: Macword, December 1990
Image Credit: Apple Inc.
Comments
The IIsi was a less expensive version of the IIci. It was slower at 20 MHz and did not have a true NuBus slot like the previous Mac IIs.
Additional Macintosh IIsi Information:
 Apple Print Ads: 1990 to 1992
System Software Recommendations
Vectronic's Classic Macintosh Section
 Vectronic's Macintosh IIsi
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