August 7, 2000

Looking for a processor upgrade for your PowerBook Duo? The following options were available:

Duo 280 & 280c models:

Manufacturer	Speed	Cache	Price	Status
Apple Computer	100MHz PowerPC 603e	NA	NA	Discontinued

All Duo models:

Manufacturer	Speed	Cache	Price	Status
Digital Eclipse Dynamic Engineering Bottom Line Distribution	Clock boosts: 16 to 25MHz 25 to 33MHz 33 to 37-40MHz	NA	NA	Discontinued
Apple Computer	100MHz PowerPC 603e	NA	NA	Discontinued Very hard to find, if at all

Duo 250 & 270c models:

Manufacturer	Speed	Cache	Price	Status
Apple Computer	68040 upgrade	NA	NA	Discontinued

* Note: These vendors are no longer selling CPU upgrade cards for Duo series PowerBooks. As a result, you'll have to peruse our classifieds and eBay for upgraded 'Books or cards.