6. Touch the metal PCI access covers on the back of the computer. (Figure 1)
Important: To avoid electrostatic discharge, always ground yourself by touching the port access covers before you touch any parts or install any components inside the computer. To avoid static electricity building back up in your body, do not walk around the room until you have completed the installation and closed the computer.
Figure 1
Power Mac G4 (Mirrored Drive Doors) Lower Fan - 2