Model History
Since its introduction in the summer of 1998, the iMac computer has been updated several times.
Table 1-1
lists the features that have changed from model to model of the original iMac, the rev-B iMac, the five-color iMacs, and the new iMac family.
Table 1-1
Feature differences
|
Original iMac
|
Rev-B iMac
|
5-color iMacs
|
new iMac family
|
CPU
speed
|
233 MHz
|
233 MHz
|
266 MHz or
333 MHz
|
350 or 400 MHz
|
L2 cache
speed
|
117 MHz
|
117 MHz
|
133 MHz
|
140 or 160 MHz
|
System bus
speed
|
66 MHz
|
66 MHz
|
66 MHz
|
100 MHz
|
Main
memory
|
32 MB up
to 128 MB
|
32 MB up
to 128 MB
|
32 MB up
to 256 MB
|
64 or 128 MB
up to 512 MB
|
Graphics IC
|
ATI RAGE
IIc
|
ATI RAGE
Pro
|
ATI RAGE
Pro Turbo
|
ATI RAGE
128 VR
|
Graphics
memory
|
2 MB,
expandable
|
6 MB
|
6 MB
|
8 MB, AGP
expansion
|
Hard disk
drive
|
4 GB IDE
|
4 GB IDE
|
6 GB IDE
|
6, 10, or 13 GB IDE
|
CD drive
|
Tray-load
CD-ROM
|
Tray-load
CD-ROM
|
Tray-load
CD-ROM
|
Slot-load CD-ROM
or DVD-ROM
|
|
Data ports
|
USB
|
USB
|
USB
|
USB and optional
FireWire
|
Communication
features
|
56K modem;
IR port
|
56K modem
|
56K modem
|
56K modem;
optional AirPort card wireless
LAN module
|
Sound
features
|
Stereo and
surround
|
Stereo and
surround
|
Stereo and
surround
|
Enhanced AC-3
and surround
|
© 1999 Apple Computer, Inc. (Last Updated 26 Oct 99)