Macintosh IIsi
Codename: "Oceanic, Ray Ban, Erickson, Raffica"
Introduced: October 1989
Discontinued: March 1993
Processor: Motorola 68030
Processor Speed: 20 MHz
Cache: 0.5 k L1
Data Path: 32 bit
System Bus: 20 MHz
Hard Drive Size: 40 - 80 MB
Media: 1.44 MB Floppy
Weight and Dimensions: 10 lbs. 4" H x 12.4" W x 14.9" D
Original Mac OS: System 6.0.7
Maximum Mac OS: Mac OS 7.6.1
Machine ID: 18
Motherboard RAM: 1 MB
Maximum RAM: 65 MB
Number of Sockets: 4 - 30 pin SIMMs (Groups of 4)
Minimum RAM Speed: 100 ns
Graphics Card: None
Video Memory: 64-320 k (shared system RAM)
Built-in Display: n/a
Display Connection: DB-15
Slots: 1 NuBus or PDS
Hard Drive Bus: SCSI
Modem: None
PRAM: 3.6v Lithium
Power: 160 Watts
ADB: 2
Serial: 2
SCSI: DB-25
USB: None
FireWire: None
Ethernet: None
Sound In: mono 8 bit (mic included)
Sound Out: stereo 8 bit
History: The IIsi came in a streamlined case used only for this model. It was originally designed for a 25 MHz 68030 processor, but shipped at 20 MHz, so it wouldn't compete with the IIci. The IIsi included a microphone, and cost $3,800 U.S.

