PowerBooks &iBooks

G4 iBooks (2003-2006)

Nickname: iceBook

iBook

Applemoved the popular iBook to the G4 processor in October 2003,eliminating the last Macs with G3 processors. Although the G4iBooks used a G4 CPU, it wasn't the same one used in the PowerBookG4; instead, it was version with a smaller level 2 (L2) cache,which meant it wouldn't provide quite the same performance as aPowerBook at the same clock speed.

The G4 iBooks support AirPort Extreme USB 2.0, Mobility Radeon9200 graphics, room for an internal Bluetooth module, and the useof DDR (double data rate) RAM.

12" iBook G4/800 and 14" iBook G4/933 MHz & 1 GHz

In the initial release of the iBook G4, base memory was 256 MB(128 MB onboard, 128 MB in a slot), and memory can be expanded to1152 MB by replacing the 128 MB card with a 1 GB memorymodule. Both iBooks shipped with a Combo (CD-RW/DVD) drive.

The 12" iBook clocked at 800 MHz, 100 MHz slower than the G3iBook it replaced, but the 14" iBooks were both faster than theirG3 predecessor.

12" iBook G4/1 GHz and 14" iBook G4/1.0 & 1.2 GHz

Six months later, in April 2004, Apple improved the iBook byboosting clock speed, using a G4 CPU with a larger L2 cache, andputting 256 MB on the logic board, which raised the iBook's RAMceiling to 1.25 GB.

12" iBook G4/1.2 GHz and 14" iBook G4/1.33 GHz

Six months after that, Apple released the third revision of theG4 iBook, once again boosting speed and - for the first time -offering a SuperDrive version of the 14" iBook. The October 2004revision also included AirPort Extreme as a standard feature.

12" iBook G4/1.33 GHz and 14" iBook G4/1.42 GHz

The final revision of the G4 iBook was released in July 2005.Both models saw a small speed bump, included Bluetooth 2.0 as astandard feature, has twice as much RAM from the factory (512 MB),and included Apple's scrolling trackpad. Total memory can beexpanded to 1.5 GB on these iBooks, and Apple included an improvedgraphics processor, the Radeon 9550 with 32 MB of video memory.

The iBook line was replaced by the 13.3" MacBook in May 2006.

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