[X4U] Name of MacBook (was G4 Lifespan)

[Zane H. Healy]

> Actually, the "PowerBook" moniker precedes the PowerPC chip by
> several years.
> 
> 	Model			CPU			Release
> 	=====			===			=======
> 
> 	PowerBook 100		Motorola 68000		Octobor 1991
> 	PowerBook 140		Motorola 68030
> 	PowerBook 145		Motorola 68030
> 	PowerBook 150		Motorola 68030
> 	PowerBook 160		Motorola 68030
> 	PowerBook 160		Motorola 68030
> 	PowerBook 165/165c	Motorola 68030
> 	PowerBook 170		Motorola 68030
> 	PowerBook 180/180c	Motorola 68030
> 	PowerBook 170		Motorola 68030
> 	PowerBook 190/190c	Motorola 68LC040
> 	PowerBook Duo 210	Motorola 68030
> 	PowerBook Duo 230	Motorola 68030
> 	PowerBook Duo 250	Motorola 68030
> 	PowerBook Duo 270c	Motorola 68030
> 	PowerBook Duo 270c	Motorola 68030
> 	PowerBook Duo 280/280c	Motorola 68LC040
> 	PowerBook Duo 520/520c	Motorola 68LC040
> 	PowerBook Duo 540/540c	Motorola 68LC040
> 	PowerBook Duo 550	Motorola 68040		May 1994

At least the 5xx Series (Blackbirds) aren't Duo's.  I have both a 520c with
a dead backlight, and a working 540c :^)  They were very nice laptops.

		Zane