HP 744, Руководство пользователя

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2-13
Installing Accessories
PMC Bridge Adapter and Expansion Adapter
PMC Bridge Adapter and Expansion Adapter
This section provides step-by-step instructions for installing the PMC bridge
and expansion adapters onto the Model 744 board computer. When the PMC
bridge adapter is installed onto the Model 744, the result is a two-board
assembly that is the installed into your VME card cage. When both the PMC
bridge and expansion adapters are installed onto the Model 744, the result is
a three-board assembly that is the installed into your VME card cage.
Preliminary Requirements
Perform the following steps before installing the adapters onto your Model
744 Board Computer:
1 If the Model 744 is already installed in your system chassis, you must re-
move it. See Chapter 3 of this book for instructions on removing and re-
placing the Model 744 Board Computer.
2 Place the Model 744 on a static-free mat on a clean, level surface.
PMC Bridge Adapter and Expansion Adapter Installation
1 Refer to your third party PMC card installation manual, and set any con-
figuration switches or jumpers that may be required for your application.
2 On the PMC bridge adapter, at the sites where you will be installing the
PMC card(s), remove the two screws that secure the bezel blank(s), and
remove the blanks. See Figure 2-5.
NOTE: When installing a PMC card, ensure that the O-ring type gasket near the bezel
remains in place.
3 Install the PMC card(s) onto the bridge adapter by aligning the front of the
card with the front bezel, and on the rear of the card with the connectors
and post. See Figure 2-5. There are four screws that secure the PMC card
from the bottom of the bridge adapter.
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