Sonnet Technologies Crescendo_NuBus Processor Upgrade Card - Manual (Page 26)

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Chapter 3
3. Open your Power Macintosh by first loosening the security screw
(Figure 2, inset) on the back of the case with a large flatblade
screwdriver; then, gently slide the case cover off the computer
(Figure 2).
4. Identify the internal components of your computer. Touch the
power supply metal shielding (Figure 3) to discharge any potential
damaging static electricity.
Figure 2: Remove case cover from computer
Figure 3: Internal components of Power Macintosh 7100
NuBus slots
PDS slot (with AV or HPV card)
Security screw
power supply
metal shielding