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# Macintosh IIfx

Essentials

Family: Macintosh II

Codename: Stealth, BlackBird, F-16, F-19, Four Square, IIxi, Zone 5, Weed-Whacker

Gestalt ID: 13

Minimum OS: 6.0.5

Maximum OS: 7.6.1

Introduced: March 1990

Terminated: April 1992

Processor

CPU: Motorola MC68030

CPU Speed: 40 MHz

FPU: 68882

Bus Speed: 40 MHz

Register Width: 32-bit

Data Bus Width: 32-bit

Address Bus Width: 32-bit

Level 1 Cache: 256 bytes data, 256 bytes instruction

Level 2 Cache: 32 kB

ROM: 512 kB

RAM Type: 64 pin SIMM

Minimum RAM Speed: 80 ns

Onboard RAM: 0 MB

RAM slots: 8

Maximum RAM: 128 MB

Expansion Slots: 6 NuBus, 1 PDS

Video

GPU: various

Storage

Hard Drive: 40-160 MB

Floppy Drive: 1 or 2 1.4 MB SuperDrive(s)

Input/Output

ADB: 2

Serial: 2 Mini DIN-8

SCSI: DB-25

Audio Out: stereo 8 bit mini

Speaker: mono

Miscellaneous

Power: 230 Watts

Dimensions: 5.5" H x 18.7" W x 14.4" D

Weight: 24 lbs.

Released in March 1990, The Mac IIfx was the fastest Mac ever built at the time. The IIfx shipped in a Mac II-style case, and could accommodate up to two Super Drives and and internal SCSI hard disk. Dubbed "Wicked Fast" by the press, the IIfx also contained a number of proprietary ASICs designed to speed up the machine further. These required software written specifically for the IIfx to run at top speed, but either way it was an extremely powerful machine. It sold for $10,000 - $12,000, depending on configuration.

Picture Credits:
Todo Apple Blog

Date: Sat, 27 Oct 2001 20:10:56 -0700
From: Brian Kendig
Subject: Re: Great site!
The Mac IIfx was created under a United States government contract;
they wanted Unix workstations, and they got the IIfx with A/UX.
Due to government specifications and a generous government budget,
the IIfx offered some features never before seen on a Mac, such as
SCSI DMA (implemented in hardware but never supported by the
operating system) and nine-bit parity RAM.