Sonnet Technologies Crescendo_L2 Processor Upgrade - Manual (Page 9)

3
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. Open your Power Macintosh by first loosening the three security
screws (Figure 1) on the back of the case with a medium head
Phillips screwdriver.
4. Gently slide the case cover off the computer (Figure 2).
Power Macintosh 4400 and 7220 Installation
Figure 2: Remove case cover from computer
Figure 1: Remove the three security screws
security screw
security screw security screw