Apple Macintosh Performa 600 Series - Manual (Page 96)

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.
If you purchased an expansion card separately from your computer, you can
install it by following the instructions that came with the card, or by
following the instructions in this appendix. However, be sure to read this
appendix for instructions that may be specific to your computer.
89
Appendix B
Installing an Expansion Card
Read this appendix for instructions
on installing an expansion card
in your computer.