iMac (USB 2.0).pdf

Service Source

iMac (USB 2.0)

Updated 6 July 2005

iMac (USB 2.0)

Service Source

Basics

iMac (USB 2.0)

Overview

The iMac (USB 2.0) computers are powered by the PowerPC G4 processors. Three

models are available: the 20-inch widescreen LCD (1.25 GHZ), the 17-inch widescreen

LCD (1.25 GHZ), and the 15-inch LCD lat screen (1 GHz). The computer also includes

80GB hard drives, 256MB DDR333 SDRAM, two FireWire 400 ports and three USB 2.0

ports

How to identify these models

Verify the processor speed. If the system is up and running, select “About this Mac” under

the Apple icon in the Finder. Or, select the “More Info” button on the “About this Mac”

window. Apple System Proiler opens and displays the machine speed under “Hardware

Overview.” The 15-inch iMac has a 1GHz PowerPC G4 processor and the 20-inch and 17-

inch iMac have a 1.25GHz PowerPC G4 processor. In addition, identify these models by

their serial number.

Overview

iMac (USB 2.0) Basics -

What’s New

New Features, November 2003

The new 20-inch iMac (USB 2.0) has:

• a built-in 20-inch widescreen flat-panel

• a PowerPC G4 with a clock speed of 1.25 GHz

• NVidia GeForce FX5200 Ultra graphics acceleration

• SuperDrive

New Service Parts for the 20-inch iMac (USB 2.0)

• Rear Housing, 922-6138

• Rear Housing screws, 922-6219

• Inverter 922-6129

• Inverter screws, 922-6218

• LCD Display Panel, 20-inch, 661-2991

• WIre Deflector, 922-6213

• Display Bezel 922-6128

• Display Bezel screws, 922-6289

• Neck Extension, 661-2990

• Chassis, Faraday, 922-6204

• Power Supply, 661-3104

• Drive Carrier, 922-6216

• Hard Drive, 80 GB, 661-3106

• Hard Drive, 160 GB, 661-3107 (CTO only)

• SuperDrive, 661-3108

• Logic Board, 1.25 GHz, 661-2989

• Bottom Housing, 922-6288

• Fan, 922-6215

• Insulators: Rear: 922-6217; Front: 922-6214

• SDRAM, 256 MB, DDR333, SODIMM, 661-3147

• SDRAM, 256 MB, DDR333, 184-pin, 661-3145

• SDRAM, 512 MB, DDR333, 184-pin, 661-3146

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iMac (USB 2.0) Basics

What’s New

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