Apple twentieth anniversary mac Servicehandbuch

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About expansion cards
You can install printed circuit boards (called 
cards) for video and graphics applications, networking
and communications, additional processing power, or other purposes. The cards fit into connectors in
expansion slots inside the computer.
Your computer has two expansion slots. One is designed for a 7 inch long PCI expansion card. The
other is designed for the Apple Ethernet CS II Card or other networking or modem card.
Install only expansion cards that come with Macintosh drivers and are compliant with the PCI 2.0
standard. NuBus
cards cannot be used in these expansion slots.
Expansion card power requirements
The combined power consumption of expansion cards must not exceed the limits specified for your
computer model. If you have more than one expansion card installed, check the information that 
came with your cards to make sure that their power consumption is within the limits specified in
Appendix D, “Technical Information.”
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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 for assistance. If you attempt to
install the card yourself, any damage you may cause to the computer or card 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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Chapter 
Ten
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