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Using PC Cards (PCMCIA cards)
PC Cards (also known as PCMCIA cards) are about the size of a thick credit
card and have a 68-pin connector at one end. They come in many varieties,
such as fax/modem cards, mass-storage cards, Ethernet connection cards, and
wireless communications cards. You can use PC Cards to expand your
Macintosh PowerBook’s capabilities.
This section tells you how to insert and eject PC Cards, and how to set up
your communications software to use PC Card modems. For information on
using PC Cards, see the “Using PC Cards” topic of Macintosh Guide,
available in the Guide (h) menu.
Inserting a PC Card
Your Macintosh PowerBook has two PC Card slots: an upper slot and a lower
slot. You can insert a card into either slot, or you can use both slots
simultaneously.
There are three types of PC Cards. The different types refer to the thickness
of the card. A Type I card is 3.3 millimeters (mm) thick, a Type II card is 5
mm thick, and a Type III card is 10.5 mm thick. Make sure you check the
documentation that came with your PC Card to verify that it is compatible
with your Macintosh PowerBook.
You can place a Type I or Type II card in either the upper or lower slot.
You can place a Type III card only in the lower slot. When a Type III card
is in the lower slot, you cannot use the upper slot. To make sure a card is
properly inserted, you may find it useful to get in the habit of always using
the lower slot.
WARNING
Make sure you only use cards that are designated by the PC
Card manufacturer as compatible with your Macintosh PowerBook. If
you use an incompatible card, it may not work with your PowerBook.
If you are not sure whether a PC Card is compatible with your
PowerBook, contact the PC Card manufacturer.
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Using Expansion Bay Modules and PC Cards