Macintosh Quadra 660AV

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Centris / Quadra 660AV

Manufacturer	Apple Computer
Introduced	July 29, 1993
Discontinued	September 12, 1994
Price	US$2300
CPU	Motorola 68040, 25 MHz
RAM	8 MiB, expandable to 68 MiB, 60 ns 72-pin SIMM
OS	System 7.1

The Macintosh Quadra 660AV (Codename: "Tempest") is a personal computer that is a part of Apple Computer's Quadra series of Macintosh computers. When it was originally introduced in July 1993 alongside the Centris 840 AV it was called the Macintosh Centris 660AV, but it was renamed without any changes in the hardware when the Centris line was abandoned in October 1993. It was discontinued in September 1994, with no immediate replacement - however, the AV versions of the Power Macintosh 6100 that had already been introduced had a very similar position in Apple's product lineup.

The 660AV uses the "pizza box" case of the earlier Centris 610, but has a full Motorola 68040 instead of the 610's FPU-less 68LC040. Like the 840AV, the 660AV features video input/output capability and an onboard AT&T 3210 digital signal processor (here clocked at 55 MHz) to make the video handling less of a burden on the CPU.