Apple Workgroup Server 9150/120 - Manual (Page 43)

Installing an expansion card
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, called expansion slots, inside
the server.
Your server has four expansion slots designed to accept NuBus™ cards and
one slot that will accept a processor-direct slot (PDS) card. All five slots can
be used simultaneously.
Power requirements
The combined power consumption of expansion cards must not exceed the
limits specified for your Workgroup Server 9150. 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 your
server’s Technical Information booklet.
Installing the card
IMPORTANT Some cards may need to be installed by an Apple-authorized
service provider. Check the information that came with the card.
Follow these steps to install an expansion card.
1 Shut down the server, disconnect any attached cables (including the power cord) and
discharge static electricity by turning the key lock switch to the “secure” position and
then back to the “on” position.
IMPORTANT Always be sure to turn off power and discharge static electricity
before opening the server’s cover. Note that when the keyboard is attached and
the power is off, you can discharge static electricity by pressing the Power key.
2 Turn the server on its side, so that the cover is on top.
Installing an expansion card 27