The initial design of the PowerBook G4 was developed by Apple hardware designers Jory Bell, Nick Merz, and Danny Delulis. The 1 GHz version of the Titanium G4 is the last, and fastest, PowerBook that can natively run Mac OS 9 (version 9.2.2).

The notebook was given the unofficial nickname 'TiBook', after the titanium case and the PowerBook brand name it was sold alongside the cheaper iBook. It also featured a front-mounted slot-loading optical drive. The G4 was among the first laptops to use a screen with a widescreen aspect ratio. This was 0.7 inches (18 mm) shallower than the G4's predecessor, the PowerBook G3. The two models featured a PowerPC G4 processor running at either 400 or 500 MHz, housed in a titanium-clad case that was 1 inch (25 mm) deep. The first generation of the PowerBook G4 was announced at Steve Jobs' MacWorld Expo keynote on January 9, 2001. The Titanium PowerBook G4 (nicknamed TiBook) When Apple switched to Intel x86 processors in 2006, the PowerBook G4's form and aluminum chassis were retained for the MacBook Pro. The latest version of OS X that any PowerBook G4 can run is Mac OS X Leopard, released in 2007. The PowerBook G4 is the last generation of the PowerBook series, and was succeeded by the Intel-powered MacBook Pro line in the first half of 2006. The aluminum 15-inch model also includes a FireWire 800 port, which had been included with the 17-inch model since its debut nine months earlier. When the aluminum PowerBook G4s were first released in January 2003, 12-inch and 17-inch models were introduced first, while the 15-inch model retained the titanium body until September 2003, when a new aluminum 15-inch PowerBook was released. Both models were hailed for their modern design, long battery life, and processing power. The PowerBook G4 has two different designs: one enclosed in a titanium body with a translucent black keyboard and a 15-inch screen and another in an aluminum body with an aluminum-colored keyboard, in 12-inch, 15-inch, and 17-inch sizes.īetween 20, Apple produced the titanium PowerBook G4 between 20, the aluminum models were produced. It was built later by Freescale, after Motorola spun off its semiconductor business under that name in 2004. The PowerBook G4 runs on the RISC-based PowerPC G4 processor, designed by the AIM ( Apple/ IBM/ Motorola) development alliance and initially produced by Motorola. between 20 as part of its PowerBook line of notebooks. The PowerBook G4 is a series of notebook computers manufactured, marketed, and sold by Apple Computer, Inc. An aluminum PowerBook G4 with a 15.2-inch screen

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