PC Cards and ExpressCards
Hardware and Software Guide 6–5
What Is an ExpressCard?
An ExpressCard is a next-generation, high-performance PC Card.
Like standard PC Cards, ExpressCards are designed to conform
to the standard specifications of the Personal Computer Memory
Card International Association (PCMCIA).
An ExpressCard cannot be used in standard PC Card slot. An
ExpressCard slot is available on select models.
Selecting an ExpressCard
ExpressCards use one of 2 interfaces and are available in 2 sizes.
The ExpressCard slot supports both interfaces and both sizes. For
example, you can use
■ An ExpressCard with either a USB interface or a PCI Express
interface.
■ A full-size ExpressCard, called ExpressCard/54 1, or a
smaller ExpressCard, called ExpressCard/34 2.
The ExpressCard procedures described in the following sections
are the same for both interfaces and both sizes.
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