Sonnet Technologies Crescendo_NuBus Processor Upgrade Card - Manual (Page 63)

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Shut Down and Open Computer
1. Shut down your Power Macintosh. If the computer has been on
for any length of time, wait a few minutes for it to cool before
beginning the installation.
2. Disconnect the power and peripheral cables from the back of the
computer and move it to an area where you can freely work.
3. With the rear of the computer facing you, open your computer by
first removing the security screw on the back of the case; then,
unlatch the cover and set it aside (Figure 1).
Workgroup Server 9150 Installation
security screw
latch
latch
Figure 1: Remove case cover from computer