PC Card Interface
16-Bit PC Cards
Most PC Cards are 16-bit PC Cards (PCMCIA 2.0 or 2.1), providing
ISA device performance.
CardBus Cards
The CardBus Card is connected as a PCI device and provides higher
performance than the 16-bit PC Card.
Custom Interface Cards
The Zoomed Video Card
2
(ZV Card) is currently the only custom
interface card available.
The Zoomed Video port interface provides the connection for the ZV
Card. The ZV Card enables you to write video data directly to an
input port of the graphics controller. Some video-related cards are
considered ZV Cards.
Video capture card
MPEG card
The ZV Card cannot be used without a PC Card device driver and a
display device driver.
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Zoomed Video (ZV) is a connection between a PC Card and your computer that allows the card to write video data directly to the video
controller. The data is transferred with no buffering requirements, because it is transferred over ZV port rather than the system bus.
Chapter 5. Using Your Computer with a PC Card 41