Data General AViiON 4600 Series, Customer Documentation

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CPU, I/O Expansion, and Graphics Boards
9-12
014–002091
If you removed a failed board, insert it in an antistatic bag and return it to
Data General. Contact the Customer Support Center, as described in the Preface,
for information on returning the faulty part.
If you temporarily removed a board, put it inside an antistatic bag until you are
ready to reinstall it.
6. If you removed the I/O board to replace it with a new board, proceed to the next
section, Installing an I/O Expansion Board."
If you are removing all daughter boards to replace the system board, remove the
next board by following the steps in the appropriate section of this chapter. If
you have removed all CPU and option boards, proceed to the next chapter,
Replacing the System Board."
Installing an I/O Expansion Board
Before you can install an I/O expansion board, you must prepare your worksite,
remove the computer unit's right side, and attach the ESD wrist strap as described in
Chapter 6, Expanding and Maintaining Your Computer System." To install a new I/O
board in a system that previously had none, you will also need to remove the top cover.
CAUTION: Unless you are properly grounded, you can discharge static electricity and
damage components in the system.
To install an I/O expansion board, follow the steps below. You will need a medium
Phillips screwdriver.
To install a new I/O expansion board in a system that previously had none, start with
Step 1. To install a replacement board in your system, start with Step 2. To reinstall a
board you removed temporarily, start with Step 3.
1.
Remove the filler plates that cover the SCSI B and second Ethernet connector
openings on the computer unit bulkhead. Figure 9Ć14 shows the filler plate
locations.