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POWER MACINTOSH, later POWER MAC, is a line of Apple Macintosh workstation -class personal computers based on various models of PowerPC
PowerPC
microprocessors that were developed, marketed, and supported by Apple Inc.
Apple Inc.
from March 1994 until August 2006. The first models were the Power Macintosh
Macintosh
6100 , 7100 , and 8100 , which offered speeds ranging from 60 to 110 MHz . These machines replaced Apple's Quadra series of personal computers, and were housed in cases very similar to systems sold by Apple up to that point. The Power Mac went on to become the mainstay of Apple's top-end offerings for twelve years, through a succession of case designs, four major generations of PowerPC
PowerPC
chips, and a great deal of press coverage, design accolades, and technical controversy. In August 2006, the Power Mac's retirement was announced at Apple's Worldwide Developers Conference by Steve Jobs and Phil Schiller , making way for its Intel-based replacement, the Mac Pro .

CONTENTS

* 1 Models

* 1.1 Old World ROM

* 1.1.1 Timeline of Old World ROM Power Macintosh
Macintosh
models

* 1.2 New World ROM

* 1.2.1 Timeline of New World ROM Power Macintosh
Macintosh
models

* 2 Processor and software

* 3 Naming

* 3.1 Usage

* 4 Successor * 5 Advertising and marketing * 6 See also * 7 References * 8 External links

MODELS

OLD WORLD ROM

Main article: Old World ROM The Power Macintosh
Macintosh
6100/66 , a version of the first Macintosh
Macintosh
to use a PowerPC
PowerPC
processor.

* Power Macintosh
Macintosh
4400 /160, 200 (PC) * Power Macintosh
Macintosh
5200 /75 LC * Power Macintosh
Macintosh
5260 /100, 120 * Power Macintosh
Macintosh
5300 /100 LC * Power Macintosh
Macintosh
5400 /120, 180, 200 * Power Macintosh
Macintosh
5500 /225, 250 * Power Macintosh
Macintosh
6100 /60 (PC), 60AV, 66 (PC), 66AV * Power Macintosh
Macintosh
6200 /75 * Power Macintosh
Macintosh
6300 /120 * Power Macintosh
Macintosh
6400 /180, 200 * Power Macintosh
Macintosh
6500 /225, 250, 275, 300 * Power Macintosh
Macintosh
7100 /66, 66AV, 80, 80AV * Power Macintosh
Macintosh
7200 /75, 90, 120 (PC), 200 (PC) * Power Macintosh
Macintosh
7300 /166, 180 (PC), 200 * Power Macintosh
Macintosh
7500 /100 * Power Macintosh
Macintosh
7600 /120, 132, 200 * Power Macintosh
Macintosh
8100 /80, 80AV, 100, 100AV, 110, 110AV * Power Macintosh
Macintosh
8115 /110 * Power Macintosh
Macintosh
8200 /100, 120 * Power Macintosh
Macintosh
8500 /120, 132, 150, 180 * Power Macintosh
Macintosh
8515 /120 * Power Macintosh
Macintosh
8600 /200, 250, 300 * Power Macintosh
Macintosh
9500 /120, 132, 150, 180MP, 200 * Power Macintosh
Macintosh
9515 /132 * Power Macintosh
Macintosh
9600 /200, 200MP, 233, 300, 350 * Power Macintosh
Macintosh
G3 (beige) /233, 266, 300, 333

Timeline Of Old World ROM Power Macintosh
Macintosh
Models

See also: Timeline of Apple Macintosh
Macintosh
models

NEW WORLD ROM

The following are recent Power Mac lines based on the New World ROM .

* Power Macintosh
Macintosh
G3 (Blue & White) * Power Mac G4 * Power Mac G4 Cube * Power Mac G5

Timeline Of New World ROM Power Macintosh
Macintosh
Models

See also: Timeline of Apple Macintosh
Macintosh
models

The Power Macintosh
Macintosh
G3 All-In-One was replaced with the iMac series.

PROCESSOR AND SOFTWARE

The ROM and Mac OS operating system released with the new Power Mac machines included a Mac 68K emulator to enable programs written for Motorola 68k series CPUs, including nearly all prior Mac software, to run without changes. (A similar scheme is employed to run 68K software on modern x86 Alpha Microsystems machines.) As the Power Mac was originally intended to be a part of the high end of Apple's product line, for a number of years the company continued to offer less expensive 68k-based computers alongside the more expensive Power Mac lineup. However, for many of these so-called 68K transition Macs, Apple offered an upgrade path in the form of a PowerPC
PowerPC
Macintosh Processor Upgrade Card and aggressively marketed it to assure a wary consumer of their investment. In April 1996, Apple discontinued the Macintosh
Macintosh
LC 580 (released in 1995), the last remaining desktop model of the 68k-based Macintosh
Macintosh
line. The PowerBook 190cs
PowerBook 190cs
, the last 68k-based PowerBook, was discontinued in October 1996. All subsequent Macintosh
Macintosh
computers would be based on PowerPC
PowerPC
processors until January 2006, when Apple switched to Intel
Intel
processors. (In 2005, Apple released an Intel-based Power Mac development system to Apple developers at WWDC .)

NAMING

All Power Macs prior to 1997 used PowerPC
PowerPC
60x-series processors, and 4-digit model numbers (e.g. Power Mac 8600). In 1997 the first third-generation ("G3") Power Macintosh
Macintosh
was introduced, using the PowerPC
PowerPC
750 processor. From this model onward, Apple no longer used a numbering scheme to identify their Power Mac models, but instead referred to them by their PowerPC
PowerPC
processor generation number (i.e. G3, G4, and G5). Later models based on the same generation of PowerPC processor relied on descriptive characteristics to differentiate them, e.g. the color scheme ("Power Macintosh
Macintosh
G3 – Blue and White") or a technical feature of a particular model (" Power Mac G4 – Gigabit Ethernet"). This same identification scheme was used in the iMac , PowerBook
PowerBook
, and iBook lines of Macintosh
Macintosh
computers.

The marketing name was changed from Power Macintosh
Macintosh
to Power Mac with the introduction of the G4 models, meaning all G3 and earlier models are referred to as "Power Macintosh", while all G4 and G5 models are "Power Mac's". Not all Apple documentation follows this rule, but the vast majority does.

USAGE

The POWER MAC brand name was used for Apple's high-end tower style computers, targeted primarily at businesses and creative professionals, in differentiation to their more compact "iMac" line (intended for home use) and the "eMac" line (for the education markets). They were usually equipped with Apple's newest technologies, and commanded the highest prices among Apple desktop models. Some Power Mac G4 a