Apple Macintosh Performa 570 series - Manual (Page 95)

Expansion cards are printed circuit boards that can be installed in your
computer to give it special capabilities, such as enhanced video capabilities,
networking and communications, and additional processing power. Your
Macintosh has a processor-direct slot (PDS) for most cards, including the
Apple IIe Card. If you have a Macintosh Performa 570 series computer, it also
has a communications slot for an internal modem or Ethernet card.
You can install expansion cards by following the instructions that came with
the card, or by following the instructions in this appendix.
WARNING To avoid damaging your computer and expansion card, do not
attempt to install any expansion card without first checking the
documentation for that card. If the documentation specifies that an
Apple-certified technician must install the card (usually because
the installation requires special training or tools), consult the service
and support information that came with your computer for instructions
on how to contact an Apple-authorized service provider or Apple for
service. If you attempt to install the card yourself, any damage you
cause to your computer will not be covered by the limited warranty on
your computer. If the card is not an Apple-labeled product, check with
an Apple-authorized dealer or service provider to see if you can install
it yourself.
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Appendix B
Installing an Expansion Card
Read this appendix for
instructions on installing an
expansion card in your computer .