User Guide

iMac (USB 2.0) Basics - 3
What’s New
Standard Configurations
Features 15-inch 17-inch 20-inch
CPU and speed 1GHz PowerPC G4 1.25GHz PowerPC G4 1.25GHz PowerPC G4
System bus
speed
167 MHz 167 MHz 167 MHz
Main memory 256 MB, 333 MHz
DDR SDRAM,
expandable up to 1
GB
256 MB, 333 MHz
DDR SDRAM, expand-
able up to 1 GB
256 MB, 333 MHz
DDR SDRAM, expand-
able up to 1 GB
Display 15-inch flat panel 17-inch, wide-screen
flat panel
20-inch, wide-screen
flat panel
Graphics IC NVIDIA GeForceMX NVIDIA GeForce FX
5200 Ultra
NVIDIA GeForce FX
5200 Ultra
Graphics mem-
ory
32 MB DDR RAM 64 MB DDR RAM 64 MB DDR RAM
Hard disk drive 80 GB Ultra ATA-66
7200 rpm
80 GB Ultra ATA-66
7200 rpm
80 GB Ultra ATA-66
7200 rpm
Optical drive Tray-load Combo
drive
Tray-load SuperDrive Tray-load SuperDrive
Power Supply 160 W 160 W 190 W
External moni-
tor adapter
Mini-VGA or S-
video/composite
Mini-VGA or S-video/
composite
Mini-VGA or S-video/
composite
Communication
features
10/100 Ethernet;
56K V.92 fax modem
10/100 Ethernet; 56K
V.92 fax modem
10/100 Ethernet; 56K
V.92 fax modem
Wireless fea-
tures
Optional 54 Mbps
AirPort Extreme
Card; optional inter-
nal Bluetooth
Optional 54 Mbps Air-
Port Extreme Card;
optional internal Blue-
tooth
Optional 54 Mbps Air-
Port Extreme Card;
optional internal Blue-
tooth